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Analytical Validation Tools for Safety Critical Systems

Seiler, Peter and Balas, Gary and Packard, Andrew and Topcu, Ufuk (2012) Analytical Validation Tools for Safety Critical Systems. In: AIAA Infotech@Aerospace Conference. American Institute of Aeronautics and Astronautics , Reston, VA, Art. No. 2009-1991. ISBN 978-1-60086-979-2. https://resolver.caltech.edu/CaltechAUTHORS:20200114-081126784

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Abstract

The current practice to validate flight control laws relies on applying linear analysis tools to assess the closed loop stability and performance characteristics about many trim conditions. Nonlinear simulations are then used to provide further confidence in the linear analyses and also to uncover dynamic characteristics, e.g. limit cycles, which are not revealed by the linear analysis. This paper reviews analysis techniques which can be applied to nonlinear systems described by polynomial dynamic equations. The proposed approach is to reduce the analysis problems to a sum-of-squares optimization problem which can then be solved with freely available software. These techniques can fill the gap between linear analysis and nonlinear simulations and hence can be used to provide additional confidence in the flight control law performance.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
https://doi.org/10.2514/6.2009-1991DOIArticle
Additional Information:© 2009 by the American Institute of Aeronautics and Astronautics, Inc. Published Online: 14 Jun 2012.
Other Numbering System:
Other Numbering System NameOther Numbering System ID
AIAA Paper2009-1991
DOI:10.2514/6.2009-1991
Record Number:CaltechAUTHORS:20200114-081126784
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20200114-081126784
Official Citation:Analytical Validation Tools for Safety Critical Systems. Peter Seiler, Gary Balas, Andrew Packard, and Ufuk Topcu. AIAA Infotech@Aerospace Conference. April 2009; doi: 10.2514/6.2009-1991
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:100704
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:14 Jan 2020 18:09
Last Modified:16 Nov 2021 17:56

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