Backstepping controller design for a class of stochastic nonlinear systems with Markovian switching
Date
2009
Authors
Wu, Z.
Xie, X.
Shi, P.
Xia, Y.
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Journal article
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Automatica, 2009; 45(4):997-1004
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Zhao-Jing Wu, Xue-Jun Xie, Peng Shi, Yuan-qing Xia
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Abstract
A more general class of stochastic nonlinear systems with irreducible homogenous Markovian switching are considered in this paper. As preliminaries, the stability criteria and the existence theorem of strong solutions are first presented by using the inequality of mathematic expectation of a Lyapunov function. The state-feedback controller is designed by regarding Markovian switching as constant such that the closed-loop system has a unique solution, and the equilibrium is asymptotically stable in probability in the large. The output-feedback controller is designed based on a quadratic-plus-quartic-form Lyapunov function such that the closed-loop system has a unique solution with the equilibrium being asymptotically stable in probability in the large in the unbiased case and has a unique bounded-in-probability solution in the biased case. © 2008 Elsevier Ltd. All rights reserved.
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© 2008 Elsevier Ltd. All rights reserved