Works (273)
Updated: August 16th, 2024 13:37
2020 journal article
EXAMINATION OF SOLVING OPTIMAL CONTROL PROBLEMS WITH DELAYS USING GPOPS-II
NUMERICAL ALGEBRA CONTROL AND OPTIMIZATION, 11(2), 283–305.
author keywords: Optimal control; delayed dynamics; waveform relaxation; direct transcription; control parameterization; SOS; GPOPS-II
TL;DR:
It is seen that GPOPS-Ⅱ finds a suboptimal solution when used as a direct transcription delayed optimal control problem solver but that it is often able to produce a good solution of the optimal controlProblem when use as a delayed boundary value solver of the necessary conditions.
(via Semantic Scholar)
open access via www.aimsciences.org (publisher PDF)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: March 29, 2021
2020 journal article
Invariant Subspaces, Derivative Arrays, and the Computation of the Drazin Inverse
VIETNAM JOURNAL OF MATHEMATICS, 48(4), 661–677.
author keywords: Drazin inverse; Computation; Robustness; Invariant subspaces; Derivative array
Sources: Web Of Science, NC State University Libraries
Added: May 8, 2020
2019 report
A Problem from Genetics and the Singular Value Decomposition
[Preprint].
Sources: NC State University Libraries, NC State University Libraries
Added: October 25, 2020
2019 journal article
INITIAL GUESS SENSITIVITY IN COMPUTATIONAL OPTIMAL CONTROL PROBLEMS
NUMERICAL ALGEBRA CONTROL AND OPTIMIZATION, 10(1), 39–43.
author keywords: Optimal control; initial guesses; interior point methods; IPOPT; G-POPS II
TL;DR:
An optimal control problem is presented that exhibited unexpected initial guess dependence when being solved with direct transcription methods and the cautionary tale it provides is presented.
(via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: January 27, 2020
2018 journal article
Decentralized Observer-Based Reliable Control for a Class of Interconnected Markov Jumped Time-Delay System Subject to Actuator Saturation and Failure
CIRCUITS SYSTEMS AND SIGNAL PROCESSING, 37(11), 4728–4752.
author keywords: Interconnected systems; Time-delay systems; Actuator saturation; Actuator failure; Decentralized observer-based stabilization
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: November 5, 2018
2018 journal article
Reliable H-infinity control on saturated linear Markov jump system with uncertain transition rates and asynchronous jumped actuator failure
JOURNAL OF THE FRANKLIN INSTITUTE-ENGINEERING AND APPLIED MATHEMATICS, 355(9), 3853–3872.
TL;DR:
In considering the mixed-mode-dependent state feedback controller, both H∞ stochastic stability analysis for closed-loop system with completely accessible transition rates and uncertain transition rates are investigated and the problem of designing state feedback controllers such that the estimate of the domain of attraction is enlarged is formulated and solved as an optimization problem with LMI constraints.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2017 journal article
Comment on solution of differential-algebraic equations through gradient flow embedding
Computers & Chemical Engineering, 106, 529–531.
author keywords: Differential-algebraic equations; Gradient flows; Index; Ordinary differential equations
TL;DR:
An algorithm that is designed to integrate some index one DAEs is presented, and how the assumptions of the algorithm fit within a more general framework is clarified.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, Crossref, ORCID, NC State University Libraries
Added: August 6, 2018
2016 chapter
Active Fault Detection in Nonlinear Differential Algebraic Equations I: General Systems
In D. Martin (Ed.), Fault Detection: Methods, Applications and Technology (pp. 1–27). Hauppauge, NY: Nova Publishers.
Ed(s): D. Martin
Source: NC State University Libraries
Added: September 8, 2019
2016 chapter
Active Fault Detection in Nonlinear Differential Algebraic Equations II: Using Linearizations
In D. Martin (Ed.), Fault Detection: Methods, Applications and Technology (pp. 29–51). Hauppauge, NY: Nova Publishers.
Ed(s): D. Martin
Source: NC State University Libraries
Added: September 8, 2019
2016 conference paper
Actuator effects on auxiliary signal design for failure detection
SoutheastCon 2016. Presented at the SoutheastCon 2016.
Event: SoutheastCon 2016
Sources: NC State University Libraries, Crossref, ORCID, NC State University Libraries
Added: August 6, 2018
2016 conference paper
Auxiliary signal design for failure detection with initial prior information
SoutheastCon 2016. Presented at the SoutheastCon 2016.
Event: SoutheastCon 2016
TL;DR:
This paper investigates changes in auxiliary signal design for one active approach which included the state at the start of the test as part of a cost function.
(via Semantic Scholar)
Sources: NC State University Libraries, Crossref, ORCID, NC State University Libraries
Added: August 6, 2018
2016 journal article
Comments on direct transcription solution of DAE constrained optimal control problems with two discretization approaches
NUMERICAL ALGORITHMS, 73(3), 807–838.
author keywords: Optimal control; Direct transcription; Pseudospectral; Differential algebraic equation
TL;DR:
This paper reexamines several of these questions but using an hp-pseudospectral code and sees that while philosophically the results are often similar to the IRK results, there are some differences that should be understood by users solving constrained optimal control problems.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2016 journal article
Solving higher index DAE optimal control problems
Numerical Algebra, Control and Optimization, 6(4), 447–472.
author keywords: Optimal control; differential algebraic equations; higher index; numerical methods; direct transcription
TL;DR:
This paper goes over many of methods for solving optimal control problems where the process being optimized is described by a differential algebraic equation and uses a nonlinear index three control problem to illustrate many of the observations.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Crossref, ORCID, NC State University Libraries
Added: July 20, 2019
2016 journal article
Solving optimal control problems with control delays using direct transcription
APPLIED NUMERICAL MATHEMATICS, 108, 185–203.
author keywords: Delay; Optimal control; Direct transcription; Numerical methods
TL;DR:
A new technique for treating control delays when using a direct transcription approach is investigated in this paper.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2015 conference paper
Robust finite-time filtering for singular discrete-time stochastic systems
2015 27th chinese control and decision conference (ccdc), 913–918.
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018
2015 chapter
The Flexibility of DAE Formulations
In Surveys in Differential-Algebraic Equations III (pp. 1–59).
TL;DR:
This survey focuses on a number of problems where the extra flexibility of a DAE formulation permits the solution of a problem that would be hard to solve otherwise.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: July 20, 2019
2014 conference paper
Asynchronous auxiliary signal design for failure detection
2014 IEEE International Conference on Systems, Man, and Cybernetics (SMC). Presented at the 2014 IEEE International Conference on Systems, Man and Cybernetics - SMC.
Event: 2014 IEEE International Conference on Systems, Man and Cybernetics - SMC
TL;DR:
The effect of different signal and observation windows is investigated here for one active approach of fault detection and identification.
(via Semantic Scholar)
Sources: Crossref, ORCID, NC State University Libraries
Added: July 20, 2019
2014 journal article
Auxiliary signal design for failure detection in differential-algebraic equations
Numerical Algebra, Control and Optimization, 4(2), 151–179.
author keywords: Active fault detection; auxiliary signal design; failure detection; differential-algebraic equations; DAE
TL;DR:
This paper addresses active fault detection in DAE by presenting an auxiliary test signal guaranteeing detection, assuming bounded additive noise and an efficient real time detection algorithm.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Crossref, NC State University Libraries
Added: July 20, 2019
2014 conference paper
Auxiliary signal design for failure detection in high index differential-algebraic equations
53rd IEEE Conference on Decision and Control. Presented at the 2014 IEEE 53rd Annual Conference on Decision and Control (CDC).
Event: 2014 IEEE 53rd Annual Conference on Decision and Control (CDC)
TL;DR:
This paper examines more carefully when a test signal for active fault detection exists and also how to get a useful test signal when the previous algorithm breaks down.
(via Semantic Scholar)
Sources: Crossref, ORCID, NC State University Libraries
Added: July 20, 2019
2014 chapter
Linear Differential Algebraic Equations and Observers
In Surveys in Differential-Algebraic Equations II (pp. 1–67).
TL;DR:
The first part of this paper surveys some aspects of DAEs and observers that lay the foundation for the second part which discusses a recent general approach to observer design for linear Daes using completions.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: July 20, 2019
2014 journal article
Lobatto IIIA methods, direct transcription, and DAEs with delays
NUMERICAL ALGORITHMS, 69(2), 291–300.
author keywords: Optimal control; Delays; Direct transcription; Numerical discretizations; Stability
TL;DR:
This work shows that this undesirable behavior of LobattoIIIA methods reported in the literature is tied to the use of Lagrange interpolation and their use in an ODE integrator.
(via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2013 conference paper
Direct Transcription Solution of Optimal Control Problems with Differential Algebraic Equations with Delays
Power and Energy / 807: Intelligent Systems and Control / 808: Technology for Education and Learning. Presented at the Power and Energy.
Event: Power and Energy
TL;DR:
Progress is reported on progress in developing an industrial strength direct transcription optimal control software package that can solve many problems with delays and DAE models.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
9. Industry, Innovation and Infrastructure
(OpenAlex)
Sources: Crossref, NC State University Libraries
Added: July 20, 2019
2013 journal article
Eigenvalue placement in completions of DAES
Electronic Journal of Linear Algebra, 26(1), 520–534.
Sources: NC State University Libraries, ORCID, NC State University Libraries
Added: August 6, 2018
2013 chapter
Observer based fault detection in differential algebraic equations
In 2013 Proceedings of the Conference on Control and its Applications (pp. 176–183).
TL;DR:
This paper examines the use of observers for fault detection in systems modeled by differential algebraic equations.
(via Semantic Scholar)
Sources: NC State University Libraries, Crossref, NC State University Libraries
Added: August 6, 2018
2013 conference paper
Simulation and Optimization of Systems with Delays
Proceedings of the 2013 Spring Simulation Multiconference Poster Session, 1084–1085. San Diego: Society for Computer Simulation International.
Source: NC State University Libraries
Added: October 25, 2020
2012 journal article
A minimal norm corrected underdetermined Gauss-Newton procedure
Applied Numerical Mathematics, 62(5), 592–605.
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018
2012 journal article
Active Robust Fault Detection in Closed-Loop Systems: Quadratic Optimization Approach
IEEE Transactions on Automatic Control, 57(10), 592–605.
author keywords: Closed-loop systems; detection algorithms; fault detection; feedback; signal design
TL;DR:
This paper considers the problem of optimal exogenous signal design for a linear uncertain system controlled by a linear feedback and shows that a suitable feedback can reduce the cost function compared with the open-loop case.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2012 chapter
Chapter 10: Optimal Control of a Delay PDE
In Control and Optimization with Differential-Algebraic Constraints (pp. 213–231).
Sources: Crossref, NC State University Libraries
Added: July 20, 2019
2012 conference paper
Constructing observers for linear time varying DAEs
2012 IEEE 51st IEEE Conference on Decision and Control (CDC), 5749–5754.
TL;DR:
An approach for the construction of both full order and reduced order observers for general linear time varying differential algebraic equations and an example of an index two electrical circuit is solved as an illustration.
(via Semantic Scholar)
Sources: NC State University Libraries, ORCID, NC State University Libraries
Added: August 6, 2018
2012 book
TL;DR:
This book presents the latest theory and numerical methods for the optimal control of differential-algebraic equations and will be of interest to those developing methods and theory and those working on real-world applications, especially in control and chemical and mechanical engineering.
(via Semantic Scholar)
Source: ORCID
Added: August 18, 2019
2012 book
Control and Optimization with Differential-Algebraic Constraints
Philadelphia, PA: Society for Industrial and Applied Mathematics.
Source: NC State University Libraries
Added: March 18, 2021
2012 journal article
Effects of feedback on active fault detection
AUTOMATICA, 48(5), 866–872.
author keywords: Fault detection; Linear system; Detection systems; Feedback; Optimal detection
TL;DR:
Feedback plays an important role in control but its role in active fault detection based on auxiliary signals has not been explored, yet, so this paper begins that investigation.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2012 journal article
On the numerical treatment of linear-quadratic optimal control problems for general linear time-varying differential-algebraic equations
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 242, 213–231.
author keywords: Differential-algebraic equation; Optimal control; Radau; Gauss-Lobatto; Direct transcription; Numerical methods
TL;DR:
Both a direct transcription approach and the solution of the necessary conditions are examined for two important discretizations of optimal control problems with linear time-varying DAEs as the process and quadratic cost functionals.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2012 conference paper
Regularization of linear and nonlinear descriptor systems
Control and optimization with differential-algebraic constraints, (23), 17–36.
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018
2011 journal article
Active incipient fault detection in continuous time systems with multiple simultaneous faults
Numerical Algebra, Control and Optimization, 1(2), 211–224.
author keywords: Fault detection; numerical methods
TL;DR:
A computational method for the construction of an input signal for achieving guaranteed detection with specified precision is presented, an extension of a multi-model approach used for theConstruction of auxiliary signals for failure detection, however, new technical issues must be addressed.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Crossref, NC State University Libraries
Added: July 27, 2019
2011 journal article
Auxiliary signal design for robust active fault detection of linear discrete-time systems
AUTOMATICA, 47(9), 1887–1895.
author keywords: Fault detection; Test signal reconstruction; Model based fault detection; Matrix Riccati equations; Dynamic optimization
TL;DR:
In this paper, algorithms are proposed to design auxiliary signals for active fault detection based on a multi-model formulation of discrete-time systems by using a recursive approach based on the use of special Riccati equations.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2011 conference paper
Direct Transcription Solution of Optimal Control Problems with Control Delays
Presented at the NUMERICAL ANALYSIS AND APPLIED MATHEMATICS ICNAAM 2011: International Conference on Numerical Analysis and Applied Mathematics.
Event: NUMERICAL ANALYSIS AND APPLIED MATHEMATICS ICNAAM 2011: International Conference on Numerical Analysis and Applied Mathematics
author keywords: Optimal control; numerical methods; direct transcription; delays
TL;DR:
Progress and challenges in developing a general purpose industrial grade direct transcription code that can handle problems with delays in the more challenging case of control delays are described.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
9. Industry, Innovation and Infrastructure
(OpenAlex)
Sources: Crossref, NC State University Libraries
Added: March 8, 2020
2011 conference paper
Direct optimization determination of auxiliary test signals for linear problems with model uncertainty
IEEE Conference on Decision and Control and European Control Conference. Presented at the 2011 50th IEEE Conference on Decision and Control and European Control Conference (CDC-ECC 2011).
Event: 2011 50th IEEE Conference on Decision and Control and European Control Conference (CDC-ECC 2011)
TL;DR:
This paper gives the first direct optimization formulation of the more general constrained problem and allows the solution of problems not possible by the original algorithms such as problems with input and state constraints.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: July 27, 2019
2011 conference paper
Direct transcription solution of optimal control problems with delays
Numerical Analysis and Applied Mathematics ICNAAM2011 AIP Conf. Proc., 1389, 38–41.
Source: NC State University Libraries
Added: July 11, 2019
2011 conference paper
Full order observers for linear DAEs
IEEE Conference on Decision and Control and European Control Conference. Presented at the 2011 50th IEEE Conference on Decision and Control and European Control Conference (CDC-ECC 2011).
Event: 2011 50th IEEE Conference on Decision and Control and European Control Conference (CDC-ECC 2011)
TL;DR:
This paper presents an alternative approach for observer design that not only works for the LTI case but also shows great potential for the design of observers for general LTV descriptor systems.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: July 27, 2019
2011 conference paper
Maximally reduced observers for linear time varying DAEs
2011 IEEE International Symposium on Computer-Aided Control System Design (CACSD). Presented at the Control (MSC).
Event: Control (MSC)
TL;DR:
This paper examines the application of new theoretical results and algorithms for computing completions of DAEs to the computation of reduced order observers for linear time invariant and linear time varying Daes.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: July 27, 2019
2011 conference paper
Optimal control software for constrained nonlinear systems with delays
2011 IEEE International Symposium on Computer-Aided Control System Design (CACSD). Presented at the Control (MSC).
Event: Control (MSC)
TL;DR:
This paper reports on progress in developing a general purpose industrial grade software package to numerically solve complex optimal control problems with delays and state and control constraints using direct transcription.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
9. Industry, Innovation and Infrastructure
(OpenAlex)
Sources: Crossref, NC State University Libraries
Added: July 27, 2019
2010 journal article
An active approach for detection of incipient faults
INTERNATIONAL JOURNAL OF SYSTEMS SCIENCE, 41(2), 241–257.
author keywords: incipient fault detection; fault detection; auxiliary signal design; identification
TL;DR:
It is shown that it is possible to consider the model of the system with a drifted parameter as a second model and use the MM framework for designing the auxiliary signal by considering the limiting case as the parameter variation goes to zero.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2010 book
Modeling and Simulation in Scilab/Scicos with ScicosLab 4.4
TL;DR:
This new edition of Scilab/Scicos is designed to be accessible to beginning users from a variety of disciplines and students and academic and industrial scientists and engineers should find it useful.
(via Semantic Scholar)
Source: ORCID
Added: August 18, 2019
2010 conference paper
Stabilized Completions of Differential Algebraic Equations and the Design of Observers
Proceedings of Neural, Parallel, and Scientific Computation. Presented at the Fourth International Conference on Neural, Parallel and Scientific Computation, Atlanta, GA.
Event: Fourth International Conference on Neural, Parallel and Scientific Computation at Atlanta, GA
Source: NC State University Libraries
Added: March 18, 2021
2010 journal article
Teaching Introductory Differential Equations with ScicosLab
CODEE Journal, 7(1), 1–12.
TL;DR:
How ScicosLab can be easily used to help teach differential equations and to also introduce students to a software package that they can take with them for the rest of their careers is explained.
(via Semantic Scholar)
Sources: Crossref, ORCID, NC State University Libraries
Added: July 27, 2019
2009 journal article
AUXILIARY SIGNAL DESIGN FOR FAULT DETECTION IN NONLINEAR SYSTEMS
Control and Intelligent Systems, 37(3).
TL;DR:
This paper begins to address the issue of applying the previously developed linear theory to nonlinear systems, using linearizations to exploit the known linear theory and bounds are computed to find the allowable noise for the nonlinear system.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: July 27, 2019
2009 article
Active incipient fault detection with more than two simultaneous faults
2009 IEEE INTERNATIONAL CONFERENCE ON SYSTEMS, MAN AND CYBERNETICS (SMC 2009), VOLS 1-9, pp. 3322–3327.
author keywords: Failure detection; linear system; detection systems; feedback; optimal detection
TL;DR:
A computational method for the construction of an input signal for achieving guaranteed detection with specified precision is presented for discrete time systems.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018
2009 journal article
Active incipient fault detection with two simultaneous faults
IFAC Proceedings Volumes, 42(8), 573–578.
TL;DR:
The problem of detecting small parameter variations in linear uncertain systems due to incipient faults, by injecting an input signal to enhance detection is considered, and a constructive method for the construction of an optimal input signal for achieving guaranteed detection with specified precision is presented.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: December 16, 2019
2009 journal article
Active robust fault detection of closed-loop systems: general cost case
IFAC Proceedings Volumes, 42(8), 585–590.
Event: 2009 SafeProcess: 7th IFAC Symposium on Fault Detection, Supervision and Safety of Technical Processes at Barcelona, Spain on June 30 - July 3, 2009
Sources: NC State University Libraries, NC State University Libraries
Added: March 18, 2021
2009 journal article
Completions of implicitly defined linear time varying vector fields
LINEAR ALGEBRA AND ITS APPLICATIONS, 431(9), 1422–1438.
author keywords: Differential algebraic equations; Numerical methods; Linear systems; Stability
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2009 journal article
Completions of nonlinear DAE flows based on index reduction techniques and their stabilization
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 233(4), 1021–1034.
author keywords: Differential algebraic equations; Numerical methods; Stability
TL;DR:
New results are provided on the linear time-varying case and the important nonlinear case of the embedding of the DAE solutions of a general DAE into the solutions of an ODE where the added dynamics have special properties.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2009 journal article
Feedback in Active Fault Detection
IFAC Proceedings Volumes, 42(10), 192–196.
Sources: Crossref, NC State University Libraries
Added: December 16, 2019
2009 book
Generalized Inverses of Linear Transformations
In GENERALIZED INVERSES OF LINEAR TRANSFORMATIONS (Vol. 56, pp. 1–272).
Sources: Web Of Science, ORCID, NC State University Libraries
Added: August 6, 2018
2009 conference paper
Modeling Viscoelastic Wall Properties of Ovine Arteries
ASME 2009 Summer Bioengineering Conference, Parts A and B. Presented at the ASME 2009 Summer Bioengineering Conference.
Event: ASME 2009 Summer Bioengineering Conference
TL;DR:
This study used mechanical models accounting for both elastic and viscoelastic wall deformation to analyze how vessel properties and associated model parameters vary with artery type.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(OpenAlex)
Sources: Crossref, NC State University Libraries
Added: December 16, 2019
2009 conference paper
Robust Multi-Model Fault Detection and Control using an Active Closed-Loop Approach
Proceedings of the 15th IFAC Symposium on System Identification - SYSID 2009. Presented at the 15th IFAC Symposium on System Identification - SYSID 2009, St. Malo, France.
Event: 15th IFAC Symposium on System Identification - SYSID 2009 at St. Malo, France on July 6-8, 2009
Source: NC State University Libraries
Added: March 18, 2021
2009 conference paper
Two applications of Modeling and Simulation in the Design and Development of Navy Systems
Drake, K. J., Bradshaw, K., Violante, P., & Campbell, S. L. (2009, May 12). Presented at the American Society of Naval Engineers (ASNE) Intelligent Ships Symposium VIII (ISSVIII) Proceedings, Philadelphia, PA.
Event: American Society of Naval Engineers (ASNE) Intelligent Ships Symposium VIII (ISSVIII) Proceedings at Philadelphia, PA on May 12, 2009
Source: NC State University Libraries
Added: March 18, 2021
2008 conference paper
Active fault detection in nonlinear systems using auxiliary signals
2008 American Control Conference. Presented at the 2008 American Control Conference (ACC '08).
Event: 2008 American Control Conference (ACC '08)
TL;DR:
Theoretical results are presented on the use of linearizations which is based on sufficiently small nonlinearities and an optimization based approach is also presented for large non linearities.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Crossref, NC State University Libraries
Added: December 16, 2019
2008 journal article
Adjoint estimation using direct transcription multipliers: compressed trapezoidal method
OPTIMIZATION AND ENGINEERING, 9(3), 291–305.
author keywords: direct transcription; adjoint estimation; trapezoid method; optimal control
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2008 conference paper
Completions of Implicitly Defined Vector fields and their applications
Proceedings of the International Symposium on Mathematical Theory of Networks and Systems (MTNS 08). Presented at the International Symposium on Mathematical Theory of Networks and Systems (MTNS 08), Virginia Tech, Blacksburg, Virginia, USA.
Event: International Symposium on Mathematical Theory of Networks and Systems (MTNS 08) at Virginia Tech, Blacksburg, Virginia, USA on July 28 - August 1, 2008
Source: NC State University Libraries
Added: March 24, 2021
2008 journal article
Differential-algebraic equations
Scholarpedia, 3(8), 2849.
TL;DR:
The final author version and the galley proof are versions of the publication after peer review that features the final layout of the paper including the volume, issue and page numbers.
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Sources: ORCID, Crossref, NC State University Libraries
Added: August 18, 2019
2008 journal article
On the detection of small parameter variations in linear uncertain systems
EUROPEAN JOURNAL OF CONTROL, 14(2), 158–171.
author keywords: parameter identification; incipient fault detection; auxiliary signal design; multi-model formulation
TL;DR:
A constructive method for the construction of an optimal input signal for achieving guaranteed detection with specified precision is presented and the application to the problem of incipient fault detection is investigated.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2008 journal article
Optimal piecewise-constant signal design for active fault detection
INTERNATIONAL JOURNAL OF CONTROL, 82(1), 130–146.
author keywords: fault detection; active; test signal; optimisation
TL;DR:
A new algorithm is presented to compute optimal piecewise constant test signals for active fault detection when traditional approaches are not effective or cannot be used.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2008 journal article
Stability criteria for differential-algebraic equations with multiple delays and their numerical solutions
APPLIED MATHEMATICS AND COMPUTATION, 208(2), 397–415.
author keywords: Delay differential-algebraic equation; Multiple delays; Asymptotic stability; Regular pencil; Numerical solution
TL;DR:
First, a sufficient condition for delay-independent stability is given, after characterizing the coefficient matrices that satisfy this stability condition, some practical checkable criteria for asymptotic stability are proposed.
(via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2007 journal article
Differential-Algebraic Equations
Oberwolfach Reports, 1077–1168.
Source: ORCID
Added: August 18, 2019
2007 journal article
Direct transcription solution of optimal control problems with higher order state constraints: theory vs practice
OPTIMIZATION AND ENGINEERING, 8(1), 1–19.
author keywords: optimal control; numerical methods; direct transcription; constraints
TL;DR:
This example illustrates several aspects of direct transcription codes that require a reinterpretation of the numerical and analytical theory in an industrial grade optimal control package that uses a direct transcription approach.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2007 journal article
Model-Based Failure Detection on Nonlinear Systems: Theory and Transition
Naval Engineers Journal, 119(2), 93–107.
TL;DR:
Efforts made toward extending this algorithm for fault detection to nonlinear systems along with efforts in testing this family of algorithms on real systems are discussed.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
7. Affordable and Clean Energy
(OpenAlex)
Sources: ORCID, Crossref, NC State University Libraries, Web Of Science
Added: August 6, 2018
2007 journal article
Some software aspects of DAE simulation & optimization software
Some software aspects of DAE simulation & optimization software. PAMM, 7(1), 1023103–1023104.
TL;DR:
An important aspect of this research has been working toward helping the idea of DAEs achieve its promise in modeling and simulation by both pushing the software to handle more general problems and to also allow for less user expertise.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: February 10, 2020
2007 journal article
The additional dynamics of least squares completions for linear differential algebraic equations
LINEAR ALGEBRA AND ITS APPLICATIONS, 425(2-3), 471–485.
author keywords: differential algebraic equations; DAEs; extra dynamics
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2006 conference paper
Active Incipient Failure Detection: A Nonlinear Case Study
Proceedings of the 4th International Conference on Computing, Communications and Control Technologies: CCCT '06. Presented at the 4th International Conference on Computing, Communications and Control Technologies: CCCT '06, Orlando, FL.
Event: 4th International Conference on Computing, Communications and Control Technologies: CCCT '06 at Orlando, FL on July 20-23, 2006
Source: NC State University Libraries
Added: March 24, 2021
2006 conference paper
Applications of Robust Failure Detection Algorithms to Power Systems
Proceedings of the 13th International Conference on, Intelligent Systems Application to Power Systems. Presented at the 13th International Conference on, Intelligent Systems Application to Power Systems.
Event: 13th International Conference on, Intelligent Systems Application to Power Systems
TL;DR:
This paper discusses the application of two active fault detection algorithms based on model identification to power systems that are similar in theory though differ in implementation.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: February 10, 2020
2006 conference paper
Comparison between failure detection test signals for continuous systems and sampled-data systems
Proceedings of the 45th IEEE Conference on Decision and Control. Presented at the Proceedings of the 45th IEEE Conference on Decision and Control.
Event: Proceedings of the 45th IEEE Conference on Decision and Control
TL;DR:
This paper combines the key ideas of the two previous algorithms and presents an algorithm that finds optimal piecewise-constant signals for continuous systems and would appear to be greatly faster than the original CS algorithm.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Crossref, NC State University Libraries
Added: December 16, 2019
2006 journal article
Direct transcription solution of high index optimal control problems and regular Euler-Lagrange equations
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 202(2), 186–202.
author keywords: direct transcription; optimal control; control selection; numerical algorithms; differential algebraic equations
TL;DR:
This paper develops some theoretical results that will be needed for the development of guidelines to assist users of various numerical optimal control packages.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2006 journal article
Direct transcription solution of higher-index optimal control problems and the virtual index
APPLIED NUMERICAL MATHEMATICS, 57(3), 281–296.
author keywords: numerical methods; optimal control; direct transcription
TL;DR:
It is demonstrated that direct transcription methods, which use a different approach, can successfully solve some higher index equality constrained optimal control problems and that the role of the index needs reinterpretation when usingdirect transcription methods.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2006 conference paper
Model Based Failure Detection using Test Signals from Linearizations: A Case Study
2006 IEEE Conference on Computer-Aided Control Systems Design. Presented at the 2006 IEEE Conference on Computer-Aided Control Systems Design.
Event: 2006 IEEE Conference on Computer-Aided Control Systems Design
Sources: Crossref, NC State University Libraries
Added: December 16, 2019
2006 book
Modeling and simulation in Scilab/Scicos
New York: Springer.
Source: NC State University Libraries
Added: August 6, 2018
2006 conference paper
Order of Convergence in the Direct Transcription Solution of Optimal Control Problems
Proceedings of the 44th IEEE Conference on Decision and Control. Presented at the 44th IEEE Conference on Decision and Control.
Event: 44th IEEE Conference on Decision and Control
Sources: Crossref, NC State University Libraries
Added: February 10, 2020
2006 conference paper
Robust detection of incipient faults: an active approach
2006 14th Mediterranean Conference on Control and Automation. Presented at the 2006 14th Mediterranean Conference on Control and Automation.
Event: 2006 14th Mediterranean Conference on Control and Automation
Sources: Crossref, NC State University Libraries
Added: December 16, 2019
2005 conference paper
A comparison of optimal and suboptimal auxiliary signal design approaches for robust failure detection
Proceedings of 2005 IEEE Conference on Control Applications, 2005. CCA 2005. Presented at the 2005 IEEE Conference on Control Applications, 2005. CCA 2005.
Event: 2005 IEEE Conference on Control Applications, 2005. CCA 2005.
TL;DR:
This paper provides the first examination of the effect of ignoring the parameter beta and provides examples showing that the more usual robust control approach cannot solve some problems that the new approach can.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Sources: Crossref, NC State University Libraries
Added: February 10, 2020
2005 journal article
A multi-model approach to failure detection in uncertain sampled-data systems
EUROPEAN JOURNAL OF CONTROL, 11(3), 255–265.
author keywords: active failure detection; auxiliary signal design; multi-model identification; sampled-data systems
TL;DR:
Using a multi-model framework to represent normal and failed behaviors of the system, algorithms for the design of optimal auxiliary signals and online detection tests are developed that give guaranteed detection.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2005 conference paper
Auxiliary Signal Design for Robust Failure Detection: A Case Study
2005 International Conference on Control and Automation. Presented at the 2005 International Conference on Control and Automation.
Event: 2005 International Conference on Control and Automation
TL;DR:
This paper provides the first careful case study investigating a number of issues related to use of multi-model identification and failure detection in the presence of model uncertainty and bounded energy noise over finite time intervals.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Sources: Crossref, NC State University Libraries
Added: January 5, 2020
2005 article
Auxiliary signal design for active failure detection in uncertain linear systems with a priori information
Nikoukhah, R., & Campbell, S. L. (2006, February). AUTOMATICA, Vol. 42, pp. 219–228.
author keywords: failure detection; active detection; test signal construction; model-based fault detection
TL;DR:
A method for auxiliary signal design for active failure detection based on a multi-model formulation of normal and failed systems is developed which allows for a priori information about initial conditions and the possibility of having a known input in addition to the test signal.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2005 conference paper
Computation of consistent initial conditions for multi-mode DAEs: application to Scicos
2004 IEEE International Conference on Robotics and Automation (IEEE Cat. No.04CH37508). Presented at the 2004 IEEE International Symposium on Computer Aided Control Systems Design.
Event: 2004 IEEE International Symposium on Computer Aided Control Systems Design
TL;DR:
Some of the special problems faced in the simulation of multi-model DAEs are discussed and two solutions for finding consistent initial conditions are proposed.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: February 10, 2020
2005 conference paper
Direct Transcription Solution of Higher-Index Optimal Control Problems
In N. Dangoumau, M. Benrejeb, & P. Borne (Eds.), 17th IMACS world congress on scientific computation, applied mathematics and simulation: Paris, France, July 11-15, 2005. Villeneuve d'Ascq: École centrale de Lille.
Ed(s): N. Dangoumau, M. Benrejeb & P. Borne
Event: IMACS World congress at Paris, France on July 11-15, 2005
Source: NC State University Libraries
Added: March 24, 2021
2005 chapter
Discretize then Optimize
In D. R. Ferguson & T. J. Peters (Eds.), Mathematics for industry : challenges and frontiers : a process view: practice and theory. Philadelphia: SIAM Publications.
Ed(s): D. Ferguson & T. Peters
Event: Siam Conference on Mathematics for Industry: Challenges and Frontiers at Toronto, Ontario
Source: NC State University Libraries
Added: April 8, 2021
2005 conference paper
Numerically generated path stabilizing controllers. I. Theoretical concerns
Proceedings of 1994 American Control Conference - ACC '94. Presented at the 1994 American Control Conference - ACC '94.
Event: 1994 American Control Conference - ACC '94
Sources: Crossref, NC State University Libraries
Added: October 25, 2020
2005 conference paper
The role of model formulation in DAE integration: Experience gained in developing Scicos
In N. Dangoumau, M. Benrejeb, & P. Borne (Eds.), 17th IMACS world congress on scientific computation, applied mathematics and simulation: Paris, France, July 11-15, 2005. Villeneuve d'Ascq: École centrale de Lille.
Ed(s): N. Dangoumau, M. Benrejeb & P. Borne
Event: IMACS World congress at Paris, France on July 11-15, 2005
Source: NC State University Libraries
Added: March 24, 2021
2004 conference paper
A numerical integrator for simulation of unstructured implicit models
Proceedings of the 2004 American Control Conference. Presented at the Proceedings of the 2004 American Control Conference.
Event: Proceedings of the 2004 American Control Conference
TL;DR:
Progress on the development of a new integrator for general unstructured DAEs is presented, called UCP, and computational tests are given to show that the new method can successfully integrate problems that other methods have trouble with.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: February 10, 2020
2004 conference paper
Analysis of spline based auxiliary signal design for failure detection in delay systems
SMC'03 Conference Proceedings. 2003 IEEE International Conference on Systems, Man and Cybernetics. Conference Theme - System Security and Assurance (Cat. No.03CH37483). Presented at the SMC '03 2003IEEE International Conference on Systems, Man and Cybernetics.
Event: SMC '03 2003IEEE International Conference on Systems, Man and Cybernetics
TL;DR:
This paper discusses the extension of the previous results for delay systems with additive noise to those with small model uncertainties and explains why this additional assumption of small uncertainty is now needed for the analysis.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: October 25, 2020
2004 book
Auxiliary Signal Design for Failure Detection
TL;DR:
Books, as a source that may involve the facts, opinion, literature, religion, and many others are the great friends to join with.
(via Semantic Scholar)
Sources: NC State University Libraries, ORCID, NC State University Libraries
Added: August 6, 2018
2004 book
Characterization and Computation of a "Good Control"
In Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät II, Institut für Mathematik.
Contributors: n & R. März *
TL;DR:
The solution to the identification of which combinations of variables are good candidtates for control variables is shown to be related to a general optimization problem and extended to a large and important class of nonlinear systems.
(via Semantic Scholar)
Source: ORCID
Added: August 18, 2019
2004 conference paper
Design of a Detection Signal for Fault Detection and Model Identification on Systems with Multiple Delays
Proceedings of the American Society of Naval Engineers Day 2004. Presented at the American Society of Naval Engineers Day, Alexandria, VA.
Event: American Society of Naval Engineers Day at Alexandria, VA on June 28-29, 2004
Source: NC State University Libraries
Added: April 8, 2021
2004 conference paper
Direct transcription solution of inequality constrained optimal control problems
Proceedings of the 2004 American Control Conference. Presented at the Proceedings of the 2004 American Control Conference.
Event: Proceedings of the 2004 American Control Conference
TL;DR:
This paper examines some of the differences in the theory for direct transcription in several key ways that have implications for numerical algorithms and the interpretation of solutions to practical problems.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: August 31, 2020
2004 conference paper
Initialization of direct transcription optimal control software
42nd IEEE International Conference on Decision and Control (IEEE Cat. No.03CH37475). Presented at the 42nd IEEE International Conference on Decision and Control.
Event: 42nd IEEE International Conference on Decision and Control
TL;DR:
Research aimed at the development of a collection of utilities to assist users in solving complex industrial optimal control problems with direct transcription codes is discussed.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
9. Industry, Innovation and Infrastructure
(OpenAlex)
Sources: Crossref, NC State University Libraries
Added: February 10, 2020
2004 conference paper
ODE and DAE integrators in Scicos environment
In M. H. Hamza (Ed.), Proceedings of the IASTED International Conference on Applied Simulation and Modelling and Simulation : June 28-30, 2004, Rhodes, Greece. Anaheim, California: ACTA Press.
Ed(s): M. Hamza
Event: IASTED International Conference on Applied Simulation and Modeling at Rhodes, Greece on June 28-30, 2004
Source: NC State University Libraries
Added: March 24, 2021
2004 journal article
Practical methods for optimal control using nonlinear programming, John T. Betts, SIAM, Philadelphia, PA, 2001, ISBN 0-89871-488-5
International Journal of Robust and Nonlinear Control, 14(11), 1019–1021.
Sources: Crossref, NC State University Libraries
Added: March 8, 2020
2004 conference paper
Software for auxiliary signal design
Proceedings of the 2004 American Control Conference. Presented at the Proceedings of the 2004 American Control Conference.
Event: Proceedings of the 2004 American Control Conference
TL;DR:
Progress in developing a software package to carry out multi-model identification and failure detection in the presence of model uncertainty and bounded energy noise over finite time intervals is discussed.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Sources: Crossref, NC State University Libraries
Added: February 10, 2020
2004 journal article
Unitary partitioning in general constraint preserving DAE integrators
MATHEMATICAL AND COMPUTER MODELLING, 40(11-12), 1273–1284.
author keywords: differential algebraic equati ons; numerical integration; constraint preservation; singular system
TL;DR:
A new variable step size, constraint preserving integrator for general nonlinear fully implicit higher index DAEs, and examples illustrate the effectiveness of the new method.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2003 conference paper
A general method for nonlinear descriptor systems: an example from robotic path control
Proceedings of the 27th IEEE Conference on Decision and Control. Presented at the 27th IEEE Conference on Decision and Control.
Event: 27th IEEE Conference on Decision and Control
TL;DR:
Several techniques for analyzing descriptor systems by utilizing information in derivative arrays are considered and their application to a descriptor system arising in robotic path control is examined.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: October 25, 2020
2003 conference paper
Auxiliary signal design for failure detection in uncertain sampled-data systems
2003 European Control Conference (ECC). Presented at the 2003 European Control Conference (ECC).
Event: 2003 European Control Conference (ECC)
TL;DR:
In this paper the normal and the failed behaviors of a sampleddata system are modeled using two distinct uncertain models and algorithms for the design of optimal proper auxiliary signals are developed.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: February 10, 2020
2003 journal article
Auxiliary signal design for robust active failure detection: the general cost case
Proc. Safeprocess 2003, 259–264.
Source: NC State University Libraries
Added: July 11, 2019
2003 conference paper
Early decision making when using proper auxiliary signals
Proceedings of the 41st IEEE Conference on Decision and Control, 2002. Presented at the IEEE Conference on Decision and Control.
Event: IEEE Conference on Decision and Control
TL;DR:
This paper shows how to modify this approach for multi-model identification and failure detection in the presence of bounded energy noise over finite time intervals to permit early decision making with the hyperplane test.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Sources: Crossref, NC State University Libraries
Added: October 25, 2020
2002 conference paper
A mixed symbolic-numeric software environment
Proceedings of Joint Conference on Control Applications Intelligent Control and Computer Aided Control System Design. Presented at the Joint Conference on Control Applications Intelligent Control and Computer Aided Control System Design.
Event: Joint Conference on Control Applications Intelligent Control and Computer Aided Control System Design
TL;DR:
This paper presents two nonlinear examples of mechanical systems and shows how to use the interface of Maple to transfer the equations of motion to Scilab for simulation or control.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Crossref, NC State University Libraries
Added: October 25, 2020
2002 conference paper
Active failure detection: Auxiliary signal design and on-line detection
MED2002 : 10th IEEE Mediterranean conference on control and automation : Instituto Superior Técnico : July 9-12, 2002 : Lisboa, Portugal : proceedings. Presented at the 10th IEEE Mediterranean conference on control and automation, Lisbon, Portugal.
Event: 10th IEEE Mediterranean conference on control and automation at Lisbon, Portugal on July 9-12, 2002
Source: NC State University Libraries
Added: April 8, 2021
2002 journal article
Auxiliary signal design for multi-model identification in systems with multiple delays
MED2002 : 10th IEEE Mediterranean Conference on Control and Automation : Instituto Superior Técnico : July 9-12, 2002 : Lisboa, Portugal : Proceedings. Presented at the 10th IEEE Mediterranean conference on control and automation, Lisbon, Portugal.
Event: 10th IEEE Mediterranean conference on control and automation at Lisbon, Portugal on July 9-12, 2002
Source: NC State University Libraries
Added: April 8, 2021
2002 article
Auxiliary signal design for rapid multi-model identification using optimization
Campbell, S. L., Horton, K. G., & Nikoukhah, R. (2002, August). AUTOMATICA, Vol. 38, pp. 1313–1325.
author keywords: linear systems; identification algorithms; molde-based recognition; numerical algorithms
TL;DR:
A method for the computation of the minimal energy auxiliary signal is given and it can handle more than two models and certain types of nonlinearities.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2002 journal article
Auxiliary signal design for robust multimodel identification
IEEE Transactions on Automatic Control, 47(1), 158–164.
TL;DR:
An efficient procedure for online identification, called the "hyperplane test", is developed and the separability index is defined as the inverse of the energy of the proper auxiliary signal of least energy.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
11. Sustainable Cities and Communities
(Web of Science)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018
2002 journal article
Compensating for order variation in mesh refinement for direct transcription methods II: Computational experience
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 143(2), 237–261.
author keywords: optimal control; mesh refinement; numerical algorithms
TL;DR:
The results from a number of computational studies on the effectiveness of the Implicit Runge Kutta methods are presented and a new test problem is presented which can be used to examine the efficiency of codes developed for a particular class of applications.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2002 journal article
Convergence of nonconvergent IRK discretizations of optimal control problems with state inequality constraints
SIAM JOURNAL ON SCIENTIFIC COMPUTING, 23(6), 1981–2007.
author keywords: optimal control; differential algebraic equations; numerical discretizations
TL;DR:
The difference between solving index 3 differential algebraic equations using the trapezoid method in the context of direct transcription for optimal control problems and a straightforward implicit Runge--Kutta (IRK) formulation of the same trapezoidal discretization is analyzed and convergence independent of the index of the constraints is proven for one class of problems.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2002 conference paper
Determining flatness for complex nonlinear systems
Proceedings IEEE Southeastcon '95. Visualize the Future, 118–122.
Event: IEEE Southeastcon '95. Visualize the Future
Sources: Crossref, NC State University Libraries
Added: September 29, 2019
2002 chapter
Intelligent DAE solvers and user friendly design, simulation, and analysis packages
In 1998 IEEE International Conference on Systems, Man, and Cybernetics: Intelligent systems for humans in a cyberworld, Hyatt La Jolla, San Diego, California, USA, October 11-14, 1998 (pp. 177–3182).
TL;DR:
This paper examines what would be required to handle those problems that naturally lead to differential algebraic equations.
(via Semantic Scholar)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018
2002 chapter
Observer design for linear time varying descriptor systems: Numerical algorithms
In Proceedings of the 37th IEEE Conference on Decision and Control: December 16-18, 1998, Hyatt Regency Westshore, Tampa, Florida (pp. 3801–3806).
TL;DR:
The design of observers for linear time varying descriptor systems for which the observer estimates are also physically correct in that they satisfy the same constraints as the solutions of the descriptor system is examined.
(via Semantic Scholar)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018
2002 conference paper
On a new predictive control strategy: application to a flexible-joint robot
Proceedings of 1994 33rd IEEE Conference on Decision and Control. Presented at the 1994 33rd IEEE Conference on Decision and Control.
Event: 1994 33rd IEEE Conference on Decision and Control
TL;DR:
It is shown that it is possible to greatly improve the performance of the predictive control strategy proposed by Jankowski and Van Brussel (1992) by using preliminary linear feedback.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: October 25, 2020
2002 journal article
Optimization formulations of auxiliary signal design for rapid multi-model identification
Automatica, 38, 1313–1325.
Source: NC State University Libraries
Added: July 11, 2019
2002 conference paper
The design of auxiliary signals for robust active failure detection in uncertain systems
Proceedings of the Mathematical Theory of Networks and Systems. Presented at the Mathematical Theory of Networks and Systems, Notre Dame, IN.
Event: Mathematical Theory of Networks and Systems at Notre Dame, IN
Source: NC State University Libraries
Added: April 8, 2021
2001 conference paper
Auxiliary signal design for failure detection in uncertain systems
In N. T. K. P. P. Groumpos & M. Polycarpou (Eds.), Proceedings of the 9th IEEE Mediterranean Conference on Control and Automation. Piscataway, N.J.: IEEE.
Ed(s): N. P. P. Groumpos & M. Polycarpou
Event: 9th IEEE Mediterranean Conference on Control and Automation at Dubrovnik, Croatia on June 27-29, 2001
Source: NC State University Libraries
Added: August 6, 2018
2001 journal article
Numerical analysis and systems theory
International Journal of Applied Mathematics and Computer Science, 11(5), 1025–1033.
Source: NC State University Libraries
Added: August 6, 2018
2001 article
Numerically constructible observers for linear time-varying descriptor systems
Biehn, N., Campbell, S. L., Nikoukhah, R., & Delebecque, F. (2001, March). AUTOMATICA, Vol. 37, pp. 445–452.
author keywords: descriptor systems; observers; linear systems; time-varying systems; computational methods
TL;DR:
This paper examines the design of observers for linear time-varying descriptor systems for which an observer is designed for which the observer estimates are also physically correct in that they satisfy the same constraints as the solutions of the descriptor system.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2001 conference paper
Rapid multi-model identification in systems with delay
In C. T. A. K. Gu & S.-I. Niculescu (Eds.), Time delay systems 2001 (TDS 2001): A proceedings volume from the 3rd IFAC Workshop, Sante Fe, New Mexico, USA, 8-10 December 2001 (pp. 296–301). Oxford: Pergamon.
Ed(s): C. K. Gu & S. Niculescu
Source: NC State University Libraries
Added: August 6, 2018
2000 journal article
Compensating for order variation in mesh refinement for direct transcription methods
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 125(1-2), 147–158.
author keywords: implicit Runge-Kutta; optimization; differential algebraic equation
TL;DR:
This paper discusses how this numerical theory for Implicit Runge–Kutta methods can be utilized in direct transcription trajectory optimization by modifying a currently used mesh refinement strategy.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2000 conference paper
Computational experience with exploiting order variation in mesh refinement for direct transcription methods
Proceedings: 16th IMACS World Congress. New Brunswick, NJ: IMACS.
Source: NC State University Libraries
Added: August 6, 2018
2000 conference paper
Convergence of nonconvergent IRK discretizations of optimal control problems
Proceedings: 16th IMACS World Congress. New Brunswick, NJ: IMACS.
Source: NC State University Libraries
Added: August 6, 2018
2000 journal article
Detection signal design for failure detection: a robust approach
INTERNATIONAL JOURNAL OF ADAPTIVE CONTROL AND SIGNAL PROCESSING, 14(7), 701–724.
author keywords: failure detection; diagnosis; auxiliary signal
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2000 conference paper
Multi-model identification and the separability index
Source: NC State University Libraries
Added: August 6, 2018
2000 conference paper
On a general descriptor LQ problem
Proceedings of the 8th IEEE Mediterranean Conference on Control & Automation: July 17-19, 2000, University of Patras, Patras, Greece.
Source: NC State University Libraries
Added: August 6, 2018
2000 journal article
On singular equilibria of index-1 DAEs
CIRCUITS SYSTEMS AND SIGNAL PROCESSING, 19(2), 131–157.
author keywords: linearly implicit differential equations; semiexplicit differential-algebraic equations; singular equilibria; weak singularities; nonlinear electrical circuits; singular flow; singularity induced bifurcation
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2000 conference paper
Rapid model selection and the separability index
Fault detection, supervision and safety for technical processes 2000 (SAFEPROCESS 2000): A proceedings volume from the 4th IFAC Symposium, Budapest, Hungary, 14-16 June 2000, 1187–1192.
TL;DR:
Under the assumption that the noise energy is bounded, the separability index is defined as the least energy of a proper auxiliary signal.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy
(OpenAlex)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018
2000 journal article
Some comments on DAE theory for IRK methods and trajectory optimization
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 120(1-2), 109–131.
author keywords: implicit Runge-Kutta; optimization; differential algebraic equation
TL;DR:
The discussion is in the context of a specific industrial code SOCS but the observations made here have relevance for a number of methods and have implications for what types of test problems a code should be tested on.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
2000 journal article
The jump behavior and stability analysis for 2-D descriptor systems
Multidimensional Systems and Signal Processing, 11(4), 339–358.
TL;DR:
A systematic stability theory is developed for 2-D singular systems based on the observation that once a boundary condition or the input is inadmissible in the classical sense, a group of non-causal or backward jumpsof the system states will be incited.
(via Semantic Scholar)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018
1999 journal article
DAEs arising from traveling wave solutions of PDEs II
COMPUTERS & MATHEMATICS WITH APPLICATIONS, 37(1), 15–34.
author keywords: differential algebraic equation; magnetohydrodynamics; dynamical systems
TL;DR:
A family of DAEs that arise in this manner from the Magnetohydrodynamics equations are examined, of interest in their own right, as a source of test problems for DAE numerical integrators, and because of their relationship to the MHD equations.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
1999 conference paper
Detection Signal Design for Failure Detection
Proceedings of the Iranian Conference on Electrical Engineering, 45–52.
Event: Iranian Conference on Electrical Engineering
Source: NC State University Libraries
Added: October 24, 2021
1999 report
Exploiting order variation in mesh refinement for direct transcription methods
[Technical Report]. Boeing.
Source: NC State University Libraries
Added: October 24, 2021
1999 journal article
Kalman filtering for general discrete-time linear systems
IEEE TRANSACTIONS ON AUTOMATIC CONTROL, 44(10), 1829–1839.
author keywords: descriptor systems; Kalman filtering; linear systems; singular systems; stochastic systems
TL;DR:
A solution to recursive state estimation problems for explicit and implicit time-invariant linear systems, both for systems with and without unknown inputs, is proposed which uses a generalization of the shuffle algorithm.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
1999 conference paper
Mesh refinement that exploits order variation
Proceedings of the Workshop: Optimalsteuerungsprobleme in der Luft- und Raumfahrt, Universitat Greifswald, 7/8 Oktober 1999 (Sonderforschungsbereich; 255), 1–12. Munchen: Hieronymus.
Source: NC State University Libraries
Added: August 6, 2018
1999 chapter
Nonlinear descriptor systems
In Advances in control: Highlights of ECC '99 (pp. 247–282).
TL;DR:
Some of the nonlinear theory is surveyed and then it is related to several control problems and the emphasis is on nonlinear and linear time varying systems.
(via Semantic Scholar)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018
1999 journal article
The index of an infinite dimensional implicit system
MATHEMATICAL AND COMPUTER MODELLING OF DYNAMICAL SYSTEMS, 5(1), 18–42.
author keywords: numerical analysis; ordinary differential equations on manifolds; overdetermined systems; partial differential equations on manifolds (AMS Classification)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
1999 chapter
The interaction between simulation and modeling in infinite dimensional systems
In G. C. A. Tornambae & A. M. Perdon (Eds.), Theory and practice of control: proceedings of the 6th IEEE Mediterranean Conference, Alghero, Sardinia, Italy 9-11 June 1998 (pp. 322–327).
Ed(s): G. A. Tornambae & A. Perdon
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018
1998 article
Behavior of the nonunique terms in general DAE integrators
Campbell, S. L., & Yeomans, K. D. (1998, October). APPLIED NUMERICAL MATHEMATICS, Vol. 28, pp. 209–226.
author keywords: differential algebraic equation; DAE; numerical methods
TL;DR:
It is shown that the nonunique component is actually the numerical solution of an auxiliary DAE which depends not only on the original DAE but also on the predictor being used in the Gauss-Newton iteration.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
1998 journal article
Mixed symbolic-numerical computations with general DAEs I: System properties
Numerical Algorithms, 19(1-4), 73–83.
author keywords: differential-algebraic equations; DAE; numerical integration; implicit differential equation
TL;DR:
This expository paper discusses a variety of situations where DAEs have found mixed symbolic-numerical calculations to be essential and some applications of these calculations are presented.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries, NC State University Libraries
Added: August 6, 2018
1998 journal article
Mixed symbolic-numerical computations with general DAEs II: An applications case study
Numerical Algorithms, 19(1-4), 85–94.
author keywords: differential-algebraic equations; DAE; numerical integration; implicit differential equation
TL;DR:
This paper illustrates many of theorems and properties of nonlinear DAEs within the context of analyzing a specific nonlinear system that exhibits a variety of interesting features.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
1998 journal article
Observer design for general linear time-invariant systems
AUTOMATICA, 34(5), 575–583.
author keywords: observers; unknown input observers; system inversion; linear systems; descriptor systems
TL;DR:
The method used is based on recursively applying the reduction operation which consists of identifying and discarding equations that do not provide useful information for the estimation problem, which produces a reduced dimension system for which standard observers can be constructed.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
1997 article
DAEs arising from traveling wave solutions of PDEs
Campbell, S. L., & Marszalek, W. (1997, September 15). JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, Vol. 82, pp. 41–58.
author keywords: differential algebraic equation; DAE; traveling waves; equilibria; magnetohydrodynamics
TL;DR:
The advantages and implications of using DAEs for the study of traveling waves as well as a specific type of traveling wave that connects equilibria is examined.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
1997 journal article
Jacobian reuse in explicit integrators for higher index DAEs
APPLIED NUMERICAL MATHEMATICS, 25(4), 391–412.
author keywords: differential algebraic equation; DAE; numerical methods
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
1997 conference paper
Mixed symbolic-numerical computations with general DAEs
Proceedings of the Symposium on Differential-Algebraic Equations: Algebraic and Numerical Aspects, 23–34.
Event: Symposium on Differential Algebraic Equations at Grenoble, France on May 26-28, 1997
Source: NC State University Libraries
Added: October 28, 2021
1997 journal article
Observer design for linear time varying descriptor systems
Proceedings of the Control Industrial Systems, 1, 507–512.
Source: NC State University Libraries
Added: October 28, 2021
1997 journal article
The effects of computational delay in descriptor-based trajectory tracking control
INTERNATIONAL JOURNAL OF CONTROL, 67(2), 251–273.
TL;DR:
It is shown that under the same assumptions, and provided the special preliminary feedback is used, that the closed loop system remains stable as long as the delay is smaller than a threshold and that exponential tracking is achieved.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018
1996 chapter
Automatic differentiation and implicit differential equations
In C. B. B. Berz, G. Corliss, & A. Griewank (Eds.), Computational differentiation: Techniques, applications, and tools. Philadelphia: SIAM.
Ed(s): C. B. Berz, . G. Corliss & A. Griewank
Source: NC State University Libraries
Added: August 6, 2018
1996 conference paper
Consistent initial conditions for unstructured higher index DAEs: A computational study
Proceedings of Computational Engineering in Systems Applications, 416–421. Lille, France.
Source: NC State University Libraries
Added: October 28, 2021
1996 journal article
Constraint Preserving Integrators for Unstructured Higher Index DAEs
Zeitschrift Fuer Angewandte Mathematik Und Mechanik (ZAMM), 83–86.
Source: NC State University Libraries
Added: November 6, 2021
1996 journal article
Convergence Estimates for Solution of Integral Equations with GMRES
Journal of Integral Equations and Applications, 8(1), 19–34.
Contributors: * , I. Ipsen, C. Kelley* , C. Meyer & Z. Xue
Sources: Crossref, NC State University Libraries, ORCID
Added: July 20, 2019
1996 conference paper
Descriptor predictive control: tracking controllers for a riderless bicycle
Proceedings of Computational Engineering in Systems Applications, 292–297. Lille, France.
Source: NC State University Libraries
Added: October 28, 2021
1996 journal article
GMRES and the minimal polynomial
BIT Numerical Mathematics, 36(4), 664–675.
author keywords: GMRES; superlinear convergence; minimal polynomial; eigenvalue index
TL;DR:
A qualitative model for the convergence behaviour of the Generalised Minimal Residual (GMRES) method for solving nonsingular systems of linear equationsAx =b in finite and infinite dimensional spaces and bounds are provided that explain the convergence of GMRES.
(via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, Crossref
Added: July 20, 2019
1996 conference paper
Nonlinear observer design using implicit system descriptions
In S. L. C. Wissel, R. Nikoukhah, & F. Delebecque (Eds.), Proceedings of Computational Engineering in Systems Applications (pp. 404–409). Lille, France.
Ed(s): S. Wissel, R. Nikoukhah & F. Delebecque
Source: NC State University Libraries
Added: October 28, 2021
1996 journal article
ODE/DAE Integrators and MOL Problems
Zeitschrift Fuer Angewandte Mathematik Und Mechanik (ZAMM), 251–254.
Source: NC State University Libraries
Added: July 11, 2019
1996 conference paper
Pencil algorithms and observer design
Proceedings of the 1996 IEEE International Symposium on Computer-Aided Control System Design (CACSD), 83–88. New York: Institute of Electrical and Electronics Engineers.
Event: IEEE Symposium on Computer-Aided Control System Design at Dearborn, Michigan on September 15-18, 1996
Source: NC State University Libraries
Added: November 6, 2021
1995 journal article
Constraint preserving integrators for general nonlinear higher index DAEs
Numerische Mathematik, 69(4), 383–399.
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Crossref, NC State University Libraries
Added: August 31, 2020
1995 journal article
High-Index Differential Algebraic Equations
Mechanics of Structures and Machines, 23(2), 199–222.
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: ORCID, Crossref, NC State University Libraries
Added: August 18, 2019
1995 journal article
Linearization of DAEs along trajectories
ZAMP Zeitschrift f�r Angewandte Mathematik Und Physik, 46(1), 70–84.
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Crossref, NC State University Libraries
Added: August 31, 2020
1995 conference paper
Maneuver planning and robust path tracking for mobile robotic nonholonomic systems
Proceedings of the European Control Conference, 3080–3085.
Event: European Control Conference at Rome, Italy on September 5-8, 1995
Source: NC State University Libraries
Added: November 6, 2021
1995 journal article
Nonregular 2D descriptor delay systems
IMA Journal of Mathematical Control and Information, 12(1), 57–67.
Sources: Crossref, NC State University Libraries
Added: August 31, 2020
1995 journal article
Numerically Generated Path Stabilizing Controllers: Use of Preliminary Feedback
Kybernetika, 31(6), 657–668.
Source: NC State University Libraries
Added: November 6, 2021
1995 journal article
Solvability of General Differential Algebraic Equations
SIAM Journal on Scientific Computing, 16(2), 257–270.
author keywords: LEAST SQUARES; DIFFERENTIAL ALGEBRAIC EQUATIONS; SOLVABILITY; COMPLETIONS; NUMERICAL METHODS
TL;DR:
In this paper the computational verification of solvability is investigated and an example from robotics where classical graph theoretical approaches give an incorrect answer is worked to illustrate the usefulness of the sufficient condition and the computational approach.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Crossref, NC State University Libraries
Added: August 31, 2020
1995 conference paper
The geometry of square invertible linear systems, matrix pencils, and predictive control
In A. Isidori, S. Bittanti, E. Mosca, A. De Luca, M. D. Di Benedetto, & G. Oriolo (Eds.), Proceedings of the third European Control Conference (ECC 95) (pp. 2962–2967).
Ed(s): A. Isidori, S. Bittanti, E. Mosca, A. De Luca, M. Di Benedetto & G. Oriolo
Event: European Control Conference at Rome, Italy on September 5-8, 1995
Source: NC State University Libraries
Added: November 16, 2021
1995 journal article
The index of general nonlinear DAEs
Numerische Mathematik, 72(2), 173–196.
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: ORCID, Crossref, NC State University Libraries
Added: August 18, 2019
1994 conference paper
A Coordinate Free Approach for Constraint Preserving Higher Index DAE Integrators
Proc. 94 IMACS World Congress on Scientific Computation, 65–68.
Source: NC State University Libraries
Added: September 11, 2019
1994 conference paper
Computational speedup for general nonlinear higher index DAE integrators
IMACS '94 : proceedings of the 14th IMACS World congress on computation and applied mathematics, 69–73. Atlanta, Georgia: Georgia Institute of Technology.
Event: 14th IMACS World congress on computation and applied mathematics at Atlanta, Georgia
Source: NC State University Libraries
Added: November 16, 2021
1994 conference paper
DAE Approximations of PDE Modeled Control Problems
Proceedings of the 2nd IEEE Mediterranean Symposium on New Directions in Control and Automation, 407–414.
Event: 2nd IEEE Mediterranean Symposium on New Directions in Control and Automation at Crete, Greece on June 19-21, 1994
Source: NC State University Libraries
Added: November 16, 2021
1994 journal article
Explicit formulae for completions of linear time varying singular systems of differential equations
Circuits, Systems, and Signal Processing, 13(2-3), 185–199.
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Crossref, NC State University Libraries
Added: October 25, 2020
1994 journal article
Numerical Methods for Unstructured Higher Index DAEs
Annals of Numerical Mathematics, 1, 265–278.
Source: NC State University Libraries
Added: November 16, 2021
1994 journal article
Progress on a general numerical method for nonlinear higher index DAEs II
Circuits, Systems, and Signal Processing, 13(2-3), 123–138.
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Crossref, NC State University Libraries
Added: August 31, 2020
1994 journal article
Utilization of automatic differentiation in control algorithms
IEEE Transactions on Automatic Control, 39(5), 1047–1052.
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Crossref, NC State University Libraries
Added: August 31, 2020
1993 journal article
Least squares completions for nonlinear differential algebraic equations
Numerische Mathematik, 65(1), 77–94.
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: ORCID, Crossref, NC State University Libraries
Added: August 18, 2019
1992 conference paper
A survey of time varying and nonlinear descriptor control systems
Proceedings 1992 International Symposium on Implicit & Nonlinear Systems, Automation and Robotics, 356–363. Dallas.
Event: 1992 International Symposium on Implicit & Nonlinear Systems, Automation and Robotics at Arlington, Texas
Source: NC State University Libraries
Added: November 16, 2021
1992 journal article
Uniqueness of completions for linear time varying differential algebraic equations
Linear Algebra and Its Applications, 161, 55–67.
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Crossref, NC State University Libraries
Added: August 31, 2020
1991 conference paper
2-D (differential-delay) implicit systems
IMACS '91 : proceedings of the 13th IMACS World Congress on Computation and Applied Mathematics : July 22-26, 1991, Trinity College, Dublin, Ireland, 1828–1829. Dublin: Criterion Press.
Event: International Association for Mathematics and Computers in Simulation World Congress on Computation and Applied Mathematics at Dublin, Ireland on July 22-26, 1991
Source: NC State University Libraries
Added: November 24, 2021
1991 journal article
Comments on 2-D descriptor systems
Automatica, 27(1), 189–192.
author keywords: BOUNDARY-VALUE PROBLEM; DIFFERENCE EQUATIONS; DISCRETE SYSTEMS; MULTIDIMENSIONAL SYSTEMS; LINEAR SYSTEMS
TL;DR:
This paper discusses general 2-D descriptor systems of the form Ex i +1, j +1 and shows that these systems include several types of behavior not discussed elsewhere in the literature.
(via Semantic Scholar)
Sources: ORCID, Crossref, NC State University Libraries
Added: August 18, 2019
1991 journal article
Differentiation of Constraints in Differential-Algebraic Equations∗
Mechanics of Structures and Machines, 19(1), 19–39.
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Crossref, NC State University Libraries
Added: August 31, 2020
1991 journal article
Duality, observability, and controllability for linear time-varying descriptor systems
Circuits Systems and Signal Processing, 10(4), 455–470.
author keywords: DESCRIPTOR; SINGULAR; DIFFERENTIAL-ALGEBRAIC; OBSERVABILITY; CONTROLLABILITY; DUALITY; STRUCTURAL FORMS
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Crossref, NC State University Libraries
Added: August 31, 2020
1991 conference paper
Least squares completions for nonlinear index three Hessenberg DAEs
IMACS '91 : proceedings of the 13th IMACS World Congress on Computation and Applied Mathematics : July 22-26, 1991, Trinity College, Dublin, Ireland, 1145–1148. Dublin: Criterion.
Event: International Association for Mathematics and Computers in Simulation World Congress on Computation and Applied Mathematics at Dublin, Ireland on July 22-26, 1991
Source: NC State University Libraries
Added: November 24, 2021
1991 journal article
Observability of Linear Time-Varying Descriptor Systems
SIAM Journal on Matrix Analysis and Applications, 12(3), 484–496.
author keywords: DESCRIPTOR; SINGULAR; OBSERVABILITY; EXTERNAL BEHAVIOR
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Crossref, NC State University Libraries
Added: August 31, 2020
1990 journal article
Convergence of BDF approximations for nonsolvable differential algebraic equations
Applied Numerical Mathematics, 6(3), 153–158.
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Crossref, NC State University Libraries
Added: August 31, 2020
1990 conference paper
Descriptor systems in the 1990s
29th IEEE Conference on Decision and Control. Presented at the 29th IEEE Conference on Decision and Control.
Event: 29th IEEE Conference on Decision and Control
TL;DR:
The growth in the theory of descriptors, or differential algebraic equations (DAEs), over the last two decades is summarized and the current challenges and potential successes are discussed.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: October 25, 2020
1990 journal article
Solving Singular Systems Using Orthogonal Functions
IEE Proceedings D Control Theory and Applications, 137(4), 222.
UN Sustainable Development Goal Categories
3. Good Health and Well-being
(Web of Science)
Sources: Crossref, NC State University Libraries
Added: October 25, 2020
1989 journal article
A computational method for general higher index nonlinear singular systems of differential equations
IMACS Transactions on Scientific Computing, 1(2), 555–560.
Source: NC State University Libraries
Added: November 24, 2021
1989 journal article
Comments on functional reproducibility of time-varying input-output systems
IEEE Transactions on Automatic Control, 34(8), 922–924.
TL;DR:
An alternative way of computing the control producing a given output of an important class of systems is presented and a simpler description of the derivative arrays is presented.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Crossref, NC State University Libraries
Added: August 31, 2020
1989 journal article
Distributional convergence of BDF approximations to solutions of descriptor systems
Circuits, Systems, and Signal Processing, 8(3), 261–265.
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Crossref, NC State University Libraries
Added: October 25, 2020
1989 conference paper
The Numerical Solution of Singular Systems Arising in Control Problems
1989 American Control Conference. Presented at the 1989 American Control Conference.
Event: 1989 American Control Conference
Sources: Crossref, NC State University Libraries
Added: August 31, 2020
1988 chapter
Bilinear nonlinear descriptor control systems in Linear Algebra in Signals, Systems, and Control
In B. N. Datta (Ed.), Linear algebra in signals, systems, and control : proceedings of the Conference on Linear Algebra in Signals, Systems, and Control, Boston, Massachusetts, August 12-14, 1986 (pp. 439–511). Philadelphia, PA: Society for Industrial and Applied Mathematics.
Ed(s): B. Datta
Event: Conference on Linear Algebra in Signals, Systems, and Control at Boston, Massachusetts on August 12-14, 1986
Source: NC State University Libraries
Added: November 24, 2021
1988 journal article
Control problem structure and the numerical solution of linear singular systems
Mathematics of Control, Signals, and Systems, 1(1), 73–87.
TL;DR:
This paper shows how to exploit the structure present in many control problems to reduce the computational effort substantially and shows that additional reductions are possible in some cases.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: August 31, 2020
1988 chapter
Singular control problem structure and the convergence of backward differentiation formulas
In C. I. Brynes, C. F. Martin, & R. E. Saeks (Eds.), Linear Circuits, Systems, and Signal Processing (pp. 19–26). North Holland.
Ed(s): C. Brynes, C. Martin & R. Saeks
Source: NC State University Libraries
Added: July 11, 2019
1987 journal article
A General Form for Solvable Linear Time Varying Singular Systems of Differential Equations
SIAM Journal on Mathematical Analysis, 18(4), 1101–1115.
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Crossref, NC State University Libraries
Added: August 31, 2020
1987 journal article
Comment on controlling generalized state-space (descriptor) systems
International Journal of Control, 46(6), 2229–2230.
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Crossref, NC State University Libraries
Added: August 31, 2020
1987 report
Derivative Arrays, Geometric Control Theory, and Realizations of Linear Descriptor Systems.
Sources: ORCID, Crossref, NC State University Libraries
Added: August 18, 2019
1987 article
Distributional Convergence of BDF (Backward Differentiation Formulas) Approximations to Solutions of Descriptor Systems.
Defense Technical Information Center.
Source: ORCID
Added: August 18, 2019
1987 conference paper
Local realizations of time varying descriptor systems
26th IEEE Conference on Decision and Control. Presented at the 26th IEEE Conference on Decision and Control.
Event: 26th IEEE Conference on Decision and Control
Sources: ORCID, Crossref, NC State University Libraries
Added: August 18, 2019
1987 chapter
Operator methods and singular control problems
In S. J. Lee (Ed.), Operator Methods for Optimal Control Problems (pp. 57–66). New York: Marcel Dekker.
Ed(s): S. Lee
Source: NC State University Libraries
Added: November 24, 2021
1987 report
Solving Singular Systems Using Orthogonal Functions.
In Defense Technical Information Center.
Source: ORCID
Added: August 18, 2019
1987 article
The Numerical and Analytic Analysis of Implicit Differential Equations and Their Application to Control and Circuit Problems.
Defense Technical Information Center.
Source: ORCID
Added: August 18, 2019
1986 chapter
Consistent initial conditions for linear time varying singular systems
In C. I. Byrnes & A. Lindquist (Eds.), Frequency Domain and State Space Methods for Linear Systems (pp. 313–318). Amsterdam: Elsevier.
Ed(s): C. Byrnes & A. Lindquist
Event: International Symposium on the Mathematical Theory of Networks and Systems at Royal Institute of Technology, Stockholm, Sweden
Source: NC State University Libraries
Added: November 30, 2021
1986 journal article
Countability of Sets
The American Mathematical Monthly, 93(6), 480–481.
Sources: Crossref, NC State University Libraries
Added: August 31, 2020
1986 journal article
Index two linear time varying singular systems of differential equations
Circuits, Systems, and Signal Processing, 5(1), 97–107.
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Crossref, NC State University Libraries
Added: August 31, 2020
1986 report
Progress Report Number 2 on Contract AFOSR-84-0240.
Source: ORCID
Added: August 18, 2019
1985 journal article
Bounded solutions of discrete singular systems on infinite time intervals
IEEE Transactions on Automatic Control, 30(2), 165–168.
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Crossref, NC State University Libraries
Added: August 31, 2020
1985 other
Rank deficient least squares and the numerical solution of linear singular implicit systems of differential equations
Sources: Crossref, NC State University Libraries
Added: August 31, 2020
1985 journal article
The Numerical Solution of Higher Index Linear Time Varying Singular Systems of Differential Equations
SIAM Journal on Scientific and Statistical Computing, 6(2), 334–348.
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Crossref, NC State University Libraries
Added: August 31, 2020
1984 conference paper
Explicit methods for solving singular differential equation systems
Proceedings of the 27th Midwest Symposium on Circuits and Systems, 696–699.
Event: Midwest Symposium on Circuits and Systems
Source: NC State University Libraries
Added: November 30, 2021
1984 conference paper
Non-BDF methods for the solution of time varying implicit differential equations
Proceedings of the 1984 American Control Conference, 21, 1315–1318.
Event: American Control Conference
Sources: NC State University Libraries, NC State University Libraries
Added: November 30, 2021
1984 conference paper
Nonlinear singular systems and contraction mappings
Proceedings of the 1984 American Control Conference, 21, 1513–1519.
Event: American Control Conference
Sources: NC State University Libraries, NC State University Libraries
Added: November 30, 2021
1984 conference paper
Nonlinear time-varying generalized state-space systems: An overview
The 23rd IEEE Conference on Decision and Control. Presented at the The 23rd IEEE Conference on Decision and Control.
Event: The 23rd IEEE Conference on Decision and Control
TL;DR:
This paper will review the current literature on nonlinear and time varying generalized state-space systems of the form F(t,y,y') = O.
(via Semantic Scholar)
Sources: ORCID, Crossref, NC State University Libraries
Added: August 18, 2019
1984 journal article
On using orthogonal functions with singular systems
IEE Proceedings D-Control Theory & Applications, 131(6), 267–268.
Source: NC State University Libraries
Added: December 22, 2021
1984 journal article
Regularizations of linear time varying singular systems
Automatica, 20(3), 365–370.
TL;DR:
Examples of the types of regularization used for linear time invariant systems need not work on linear time varying systems are given and conditions under which this behavior works are developed.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: ORCID, Crossref, NC State University Libraries
Added: August 18, 2019
1984 journal article
Review of polynomials and linear control systems, by Stephen Barnett
Linear Algebra and Its Applications, 61, 289–290.
Source: ORCID
Added: August 18, 2019
1984 journal article
The numerical solution of differential algebraic equation systems
All About Simulators, 14(1), 7–12.
Ed(s): V. Amico & A. Clymer
Source: NC State University Libraries
Added: November 30, 2021
1983 journal article
Canonical Forms and Solvable Singular Systems of Differential Equations
SIAM Journal on Algebraic Discrete Methods, 4(4), 517–521.
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Crossref, NC State University Libraries
Added: August 31, 2020
1983 journal article
Consistent initial conditions for singular nonlinear systems
Circuits, Systems, and Signal Processing, 2(1), 45–55.
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Crossref, NC State University Libraries
Added: August 31, 2020
1983 journal article
Index Two Linear Time-Varying Singular Systems of Differential Equations
SIAM Journal on Algebraic Discrete Methods, 4(2), 237–243.
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Crossref, NC State University Libraries
Added: August 31, 2020
1983 journal article
Internal stability of two dimensional systems
Linear and Multilinear Algebra, 14(4), 365–369.
Sources: Crossref, NC State University Libraries
Added: October 25, 2020
1983 conference paper
Multiparameter singular systems: Nondissective approaches
The 22nd IEEE Conference on Decision and Control. Presented at the The 22nd IEEE Conference on Decision and Control.
Event: The 22nd IEEE Conference on Decision and Control
Sources: ORCID, Crossref, NC State University Libraries
Added: August 18, 2019
1983 journal article
One canonical form for higher-index linear time-varying singular systems
Circuits, Systems, and Signal Processing, 2(3), 311–326.
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Crossref, NC State University Libraries
Added: August 31, 2020
1983 chapter
Recent applications of generalized inverses
In Recent Applications of Generalized Inverses (pp. 1–11). Pitman.
Source: NC State University Libraries
Added: July 11, 2019
1983 journal article
The Drazln inverse and systems of second order linear differential equations
Linear and Multilinear Algebra, 14(2), 195–198.
Sources: Crossref, NC State University Libraries
Added: October 25, 2020
1982 journal article
A second order singular linear system arising in electric power systems analysis†
International Journal of Systems Science, 13(1), 101–108.
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Crossref, NC State University Libraries
Added: October 25, 2020
1982 journal article
Nontrivial isometries on sp(α)
International Journal of Mathematics and Mathematical Sciences, 5(2), 257–261.
Sources: Crossref, NC State University Libraries
Added: October 25, 2020
1982 journal article
On positive controllers and linear quadratic optimal control problems†
International Journal of Control, 36(5), 885–888.
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Crossref, NC State University Libraries
Added: August 31, 2020
1981 journal article
A more singular singularly perturbed linear system
IEEE Transactions on Automatic Control, 26(2), 507–510.
TL;DR:
The singularly perturbed linear system A(\epsilon)\dot{x}+B(\ep Silon)x=f(\ep silon, t) is studied and the matrix A(\Epsilon) is allowed to be singular not only for 0, but for 0 .
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Crossref, NC State University Libraries
Added: August 31, 2020
1981 journal article
A nonlinear system with singular vector field near equilibria
Applicable Analysis, 12(1), 57–71.
Sources: Crossref, NC State University Libraries
Added: August 31, 2020
1981 journal article
A procedure for analyzing a class of nonlinear semistate equations that arise in circuit and control problems
IEEE Transactions on Circuits and Systems, 28(3), 256–261.
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Crossref, NC State University Libraries
Added: October 25, 2020
1981 journal article
Computing nonnegative rank factorizations
Linear Algebra and Its Applications, 35, 175–182.
TL;DR:
An algorithm is presented which computes a nonnegative rank factorization of a non Negative matrix when a non negative 1-inverse exists.
(via Semantic Scholar)
Sources: Crossref, NC State University Libraries
Added: August 31, 2020
1981 journal article
Convergent regular splittings for nonnegative matrices
Linear and Multilinear Algebra, 10(1), 63–73.
Sources: Crossref, NC State University Libraries
Added: October 25, 2020
1981 conference paper
Numerical procedures for analyzing nonlinear semi-state equations
Proceedings Fifth International Symposium on the Mathematical Theory of Networks and Systems, 22–27.
Event: Fifth International Symposium on the Mathematical Theory of Networks and Systems
Source: NC State University Libraries
Added: December 22, 2021
1981 journal article
On an assumption guaranteeing boundary layer convergence of singularly perturbed systems
Automatica, 17(4), 645–646.
TL;DR:
An assumption was made that guaranteed convergence in the boundary layer for singularly perturbed linear systems, but the assumption was not discussed, and this note examines this assumption in some detail.
(via Semantic Scholar)
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: ORCID, Crossref, NC State University Libraries
Added: August 18, 2019
1981 journal article
Order and the index of singular time-invariant linar systems
Systems & Control Letters, 1(2), 119–122.
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Crossref, NC State University Libraries
Added: October 25, 2020
1980 journal article
Continuity of The Drazin inverse
Linear and Multilinear Algebra, 8(3), 265–268.
Sources: ORCID, Crossref, NC State University Libraries
Added: August 18, 2019
1980 journal article
Linear operators for which T*T and TT* commute III
Pacific Journal of Mathematics, 91(1), 39–45.
Source: NC State University Libraries
Added: December 22, 2021
1980 journal article
Operators on Banach spaces with complemented ranges
Acta Mathematica Academiae Scientiarum Hungaricae, 35(1-2), 123–128.
UN Sustainable Development Goal Categories
11. Sustainable Cities and Communities
(Web of Science)
Sources: Crossref, NC State University Libraries
Added: August 31, 2020
1980 journal article
Singular linear systems of differential equations with delays
Applicable Analysis, 11(2), 129–136.
Sources: ORCID, Crossref, NC State University Libraries
Added: August 18, 2019
1979 conference paper
A functional analytic approach to autonomous linear singular perturbation problems
Proceedings of the Seventeenth Annual Allerton Conference on Communication, Control, and Computing, 445–463.
Event: Annual Allerton Conference on Communication, Control, and Computing
Source: NC State University Libraries
Added: December 22, 2021
1979 journal article
Isometries on L^p Spaces and Copies of L^p shifts
Proceedings of the American Mathematical Society, 77(2), 198–200.
Sources: NC State University Libraries, NC State University Libraries
Added: December 22, 2021
1979 chapter
Isometries, projections and Wold decompositions
In I. Erdelyi (Ed.), Operator Theory and Functional Analysis (pp. 84–114). San Francisco, California: Pitman Publishing Company.
Ed(s): I. Erdelyi
Source: NC State University Libraries
Added: December 22, 2021
1979 journal article
Limit behavior of solutions of singular difference equations
Linear Algebra and Its Applications, 23, 167–178.
Sources: Crossref, NC State University Libraries
Added: August 31, 2020
1979 journal article
Nonregular Singular Dynamic Leontief Systems
Econometrica, 47(6), 1565.
Sources: ORCID, Crossref, NC State University Libraries
Added: August 18, 2019
1979 journal article
On a singularly perturbed autonomous linear control problem
IEEE Transactions on Automatic Control, 24(1), 115–117.
Sources: Crossref, NC State University Libraries
Added: August 31, 2020
1979 journal article
Singular Perturbation of Autonomous Linear Systems
SIAM Journal on Mathematical Analysis, 10(3), 542–551.
Sources: Crossref, NC State University Libraries
Added: August 31, 2020
1979 journal article
The stable solutions of quadratic matrix equations
Proceedings of the American Mathematical Society, 74(1), 19–23.
Source: NC State University Libraries
Added: December 22, 2021
1978 journal article
Linear operators for which T∗T and T + T∗ commute. III
Pacific Journal of Mathematics, 76(1), 17–19.
Sources: Crossref, NC State University Libraries
Added: October 25, 2020
1978 journal article
On k-quasihyponormal operators
Mathematica Japonica, 23, 185–189.
Source: NC State University Libraries
Added: December 22, 2021
1978 journal article
On the limit of a product of matrix exponentials
Linear and Multilinear Algebra, 6(1), 55–59.
Sources: Crossref, NC State University Libraries
Added: August 31, 2020
1978 journal article
Optimal control of discrete linear processes with quadratic cost
International Journal of Systems Science, 9(8), 841–847.
Sources: Crossref, NC State University Libraries
Added: August 31, 2020
1978 journal article
Singular perturbation of autonomous linear systems III
Houston Journal of Mathematics, 44, 527–539.
Source: NC State University Libraries
Added: December 22, 2021
1978 journal article
Singular perturbation of autonomous linear systems, II
Journal of Differential Equations, 29(3), 362–373.
Sources: ORCID, Crossref, NC State University Libraries
Added: August 18, 2019
1978 journal article
Weak Drazin inverses
Linear Algebra and Its Applications, 20(2), 167–178.
Sources: ORCID, Crossref, NC State University Libraries
Added: August 18, 2019
1977 journal article
Linear Systems of Differential Equations with Singular Coefficients
SIAM Journal on Mathematical Analysis, 8(6), 1057–1066.
Sources: Crossref, NC State University Libraries
Added: August 31, 2020
1977 journal article
Linear operators for which T*T and T+T* commute II
Transactions of the American Mathematical Society, 226, 305–319.
Source: NC State University Libraries
Added: December 22, 2021
1977 journal article
On asymptotic properties of several classes of operators
Proceedings of the American Mathematical Society, 66(1), 79–84.
Source: NC State University Libraries
Added: December 22, 2021
1977 journal article
On continuity of the Moore-Penrose and Drazin generalized inverses
Linear Algebra and Its Applications, 18(1), 53–57.
Sources: Crossref, NC State University Libraries
Added: October 25, 2020
1976 journal article
Applications of the Drazin Inverse to Linear Systems of Differential Equations with Singular Constant Coefficients
SIAM Journal on Applied Mathematics, 31(3), 411–425.
Sources: Crossref, NC State University Libraries
Added: October 25, 2020
1976 journal article
Differentiation of the Drazin Inverse
SIAM Journal on Applied Mathematics, 30(4), 703–707.
Sources: Crossref, NC State University Libraries
Added: August 31, 2020
1976 journal article
Optimal Control of Autonomous Linear Processes with Singular Matrices in the Quadratic Cost Functional
SIAM Journal on Control and Optimization, 14(6), 1092–1106.
Sources: Crossref, NC State University Libraries
Added: August 31, 2020
1976 conference paper
Optimal control of autonomous linear processes with singular matrices in the quadratic cost functional II
1976 IEEE Conference on Decision and Control including the 15th Symposium on Adaptive Processes. Presented at the 1976 IEEE Conference on Decision and Control including the 15th Symposium on Adaptive Processes.
Event: 1976 IEEE Conference on Decision and Control including the 15th Symposium on Adaptive Processes
Sources: Crossref, NC State University Libraries
Added: August 31, 2020
1976 journal article
Spectral properties of linear operators for which T*T and T + T* commute
Proceedings of the American Mathematical Society, 60(1), 197–202.
Source: NC State University Libraries
Added: December 22, 2021
1976 journal article
The Drazin Inverse of an Infinite Matrix
SIAM Journal on Applied Mathematics, 31(3), 492–503.
Sources: Crossref, NC State University Libraries
Added: August 31, 2020
1975 journal article
Continuity properties of the Drazin pseudoinverse
Linear Algebra and Its Applications, 10(1), 77–83.
Sources: Crossref, NC State University Libraries
Added: October 25, 2020
1975 journal article
EP Operators and Generalized Inverses
Canadian Mathematical Bulletin, 18(3), 327–333.
Sources: ORCID, Crossref, NC State University Libraries
Added: August 18, 2019
1975 journal article
Linear operators for which T∗T and T + T∗ commute
Pacific Journal of Mathematics, 61(1), 53–57.
Source: Crossref
Added: October 25, 2020
1975 journal article
Operator-valued inner functions analytic on the closed disc. II
Pacific Journal of Mathematics, 60(2), 37–49.
Sources: Crossref, NC State University Libraries
Added: October 25, 2020
1975 journal article
Subnormal operators with nontrivial quasinormal extensions
Acta Scientiarum Mathematicarum, 37(3-4), 191–193.
Source: NC State University Libraries
Added: December 22, 2021
1974 journal article
Commutation properties of the coefficient matrix in the differential equation of an inner function
Proceedings of the American Mathematical Society, 42(2), 507–512.
Source: NC State University Libraries
Added: December 22, 2021
1974 journal article
Linear operators for which T∗T and TT∗ commute. II
Pacific Journal of Mathematics, 53(2), 355–361.
Sources: ORCID, Crossref, NC State University Libraries
Added: August 18, 2019
1972 journal article
Inner functions analytic at a point
Illinois Journal of Mathematics, 16(4), 651–652.
Sources: Crossref, NC State University Libraries
Added: October 25, 2020
1972 journal article
Linear operators for which T*T and TT* commute
Proc. American Mathematical Society, 34, 177–180.
Source: NC State University Libraries
Added: July 11, 2019
1972 journal article
Operator-valued inner functions analytic on the closed disc
Pacific Journal of Mathematics, 41(1), 57–62.
Sources: ORCID, Crossref, NC State University Libraries
Added: August 18, 2019
1972 journal article
The exponential representation of operator valued, differentiable inner functions
Journal of Differential Equations, 12(3), 455–461.
Sources: Crossref, NC State University Libraries
Added: August 31, 2020
Employment
Updated: August 18th, 2019 17:08
1972 - present
North Carolina State University Raleigh, NC, US
Professor
Mathematics
Education
Updated: August 18th, 2019 17:10
1967 - 1972
Northwestern University Evanston, IL, US
PhD
Mathematics
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