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A Lyapunov approach to second-order sliding mode controllers and observers

Moreno, Jaime A., Osorio, Marisol·2008·2008 47th IEEE Conference on Decision and Control

Abstract

In this paper a strong Lyapunov function is obtained, for the first time, for the super twisting algorithm, an important class of second order sliding modes (SOSM). This algorithm is widely used in the sliding modes literature to design controllers, observers and exact differentiators. The introduction of a Lyapunov function allows not only to study more deeply the known properties of finite time convergence and robustness to strong perturbations, but also to improve the performance by adding linear correction terms to the algorithm. These modification allows the system to deal with linearly growing perturbations, that are not endured by the basic super twisting algorithm. Moreover, the introduction of Lyapunov functions opens many new analysis and design tools to the higher order sliding modes research area.

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Metadata

Authors
Moreno, J. A., & Osorio, M.
Venue
2008 47th IEEE Conference on Decision and Control
Publisher
IEEE
Published
2008
Pages
2856-2861
ISSN
0191-2216 (ISSN-L)
OpenAlex
W2154892481
Cited by
1,018
References
17
FWCI
47.75
Type
conference paper
Language
en
Open access
closed

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CoChat. (2026). Citation check: A Lyapunov approach to second-order sliding mode controllers and observers. https://app.cochat.ai/papers/10.1109/cdc.2008.4739356
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Moreno, J. A., & Osorio, M. (2008). A Lyapunov approach to second-order sliding mode controllers and observers. 2008 47th IEEE Conference on Decision and Control. https://doi.org/10.1109/cdc.2008.4739356

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