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Analysis of linear systems with saturation using convex optimization

Hindi, H., Boyd, S.·2002·Proceedings of the 37th IEEE Conference on Decision and Control (Cat. No.98CH36171)

Abstract

We show how linear matrix inequalities (LMI) can be used to perform local stability and performance analysis of linear systems with saturating elements. This leads to less conservative information on stability regions, disturbance rejection, and L/sub 2/-gain than standard global stability and performance analysis. The circle and Popov criteria are used to obtain Lyapunov functions whose sublevel sets provide regions of guaranteed stability and performance within a restricted state space region. Our LMI formulation leads directly to simple convex optimization problems that can be solved efficiently as semidefinite programs. The results cover both single and multiple saturation elements and can be immediately extended to discrete time systems. An obvious application of these techniques is in the analysis of control systems with saturating control inputs.

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Metadata

Authors
Hindi, H., & Boyd, S.
Venue
Proceedings of the 37th IEEE Conference on Decision and Control (Cat. No.98CH36171)
Publisher
IEEE
Published
2002-11-27
Volume
1
Pages
903-908
ISSN
0191-2216 (ISSN-L)
OpenAlex
W2113377036
Cited by
373
References
6
FWCI
34.64
Type
conference paper
Language
en
Open access
closed

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CoChat. (2026). Citation check: Analysis of linear systems with saturation using convex optimization. https://app.cochat.ai/papers/10.1109/cdc.1998.760808
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Hindi, H., & Boyd, S. (2002). Analysis of linear systems with saturation using convex optimization. Proceedings of the 37th IEEE Conference on Decision and Control (Cat. No.98CH36171). https://doi.org/10.1109/cdc.1998.760808

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