John Hunter Crews

Works (10)

Updated: July 5th, 2023 15:46

2019 article

Multi-Objective Design Optimization of a Shape Memory Alloy Flexural Actuator

Haigh, C. D., Crews, J. H., Wang, S., & Buckner, G. D. (2019, February 16). Actuators.

By: C. Haigh n, J. Crews n, S. Wang * & G. Buckner n

author keywords: shape memory alloy; microscale actuation; design optimization; genetic algorithm
topics (OpenAlex): Shape Memory Alloy Transformations; Topology Optimization in Engineering; Polymer composites and self-healing
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: Web Of Science
Added: April 22, 2019

2012 article

Data-driven techniques to estimate parameters in the homogenized energy model for shape memory alloys

Crews, J. H., Smith, R. C., Pender, K. M., Hannen, J. C., & Buckner, G. D. (2012, July 24). Journal of Intelligent Material Systems and Structures, Vol. 23, pp. 1897–1920.

By: J. Crews n, R. Smith n , K. Pender n, J. Hannen n & G. Buckner  n

author keywords: Shape memory alloys; hysteresis; parameter estimation
topics (OpenAlex): Shape Memory Alloy Transformations; Piezoelectric Actuators and Control; Magnetic Properties and Applications
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2012 article

Design optimization of a shape memory alloy–actuated robotic catheter

Crews, J. H., & Buckner, G. D. (2012, February 26). Journal of Intelligent Material Systems and Structures.

By: J. Crews n & G. Buckner n

author keywords: actuator; optimization; shape memory
topics (OpenAlex): Shape Memory Alloy Transformations; Titanium Alloys Microstructure and Properties; Corrosion Behavior and Inhibition
TL;DR: This article addresses the modeling and optimization of both a single-tendon and antagonistic tendon robotic catheter using COMSOL Multiphysics Modeling and Simulation software. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2012 article

Development of Robust Control Algorithms for Shape Memory Alloy Bending Actuators

Crews, J. H., Smith, R. C., & Hannen, J. C. (2012, September 19). Volume 1: Development and Characterization of Multifunctional Materials; Modeling, Simulation and Control of Adaptive Systems; Structural Health Monitoring, pp. 391–400.

By: J. Crews n, R. Smith n  & J. Hannen n

topics (OpenAlex): Shape Memory Alloy Transformations
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2012 article

Modeling and Bayesian parameter estimation for shape memory alloy bending actuators

Crews, J. H., & Smith, R. C. (2012, March 22). Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE, Vol. 8342.

By: J. Crews n & R. Smith n 

author keywords: shape memory alloys; uncertainty quantificiation; markov chain monte carlo
topics (OpenAlex): Shape Memory Alloy Transformations; Topology Optimization in Engineering; Advanced Mathematical Modeling in Engineering
TL;DR: A homogenized energy model for shape memory alloy (SMA) bending actuators is employed and the Random Walk Metropolis algorithm, the MCMC method used here, is tested to test the feasibility. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2012 journal article

Numerical and experimental analysis of inhomogeneities in SMA wires induced by thermal boundary conditions

Continuum Mechanics and Thermodynamics, 24(4-6), 485–504.

By: S. Furst, J. Crews & S. Seelecke

Source: NC State University Libraries
Added: August 6, 2018

2011 article

Density Function Optimization for the Homogenized Energy Model of Shape Memory Alloys

Crews, J. H., & Smith, R. C. (2011, January 1). Proceedings of the ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems (SMASIS 2011), Vol 1, pp. 371–379.

By: J. Crews n & R. Smith n 

topics (OpenAlex): Shape Memory Alloy Transformations; Topology Optimization in Engineering
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: NC State University Libraries, NC State University Libraries
Added: August 6, 2018

2011 article

Multi-Objective Design Optimization of a Shape Memory Alloy Actuated Robotic Catheter

Crews, J. H., & Buckner, G. D. (2011, January 1).

By: J. Crews n & G. Buckner n

topics (OpenAlex): Shape Memory Alloy Transformations; Soft Robotics and Applications
TL;DR: This paper presents a method for optimizing the design of a shape memory alloy (SMA) actuated robotic catheter designed for use in endocardial ablation procedures, where “trackability” and “pushability’ are desirable but conflicting catheter traits, leading to a multi-objective optimization problem. (via Semantic Scholar)
Source: NC State University Libraries
Added: August 6, 2018

2011 article

Multi-objective control optimization for semi-active vehicle suspensions

Crews, J. H., Mattson, M. G., & Buckner, G. D. (2011, August 4). Journal of Sound and Vibration.

By: J. Crews n, M. Mattson n & G. Buckner n

topics (OpenAlex): Vibration Control and Rheological Fluids; Vehicle Dynamics and Control Systems; Effects of Vibration on Health
TL;DR: A multi-objective genetic algorithm (MOGA) is used to establish the limits of controller performance, creating a Pareto frontier of solutions, providing a benchmark for assessing the performance of other controllers in terms of both objectives. (via Semantic Scholar)
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: August 6, 2018

2009 conference paper

Hysteretic recurrent neural networks: A tool for modeling hysteretic materials and systems

Smart Materials & Structures, 18(7).

By: A. Veeramani, J. Crews & G. Buckner

Source: NC State University Libraries
Added: August 6, 2018

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