Neil David Biehn

Works (3)

Updated: July 5th, 2023 16:01

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.

By: N. Biehn n, S. Campbell n , R. Nikoukhah* & F. Delebecque*

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)
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Sources: Web Of Science, 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.

By: J. Betts*, N. Biehn n, S. Campbell n  & W. Huffman*

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)
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Sources: Web Of Science, 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.

By: N. Biehn n, S. Campbell n , L. Jay * & T. Westbrook n

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)
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UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

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