Decentralised output-feedback control for high-order stochastic non-linear systems
Decentralised output-feedback control for high-order stochastic non-linear systems
- Author(s): W. Li ; X. Wei ; S. Zhang
- DOI: 10.1049/iet-cta.2011.0441
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- Author(s): W. Li 1 ; X. Wei 1 ; S. Zhang 2
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View affiliations
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Affiliations:
1: School of Mathematics and Information, Ludong University, Yantai, People's Republic of China
2: College of Information Science and Engineering, Northeastern University, Shenyang, People's Republic of China
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Affiliations:
1: School of Mathematics and Information, Ludong University, Yantai, People's Republic of China
- Source:
Volume 6, Issue 6,
12 April 2012,
p.
838 – 846
DOI: 10.1049/iet-cta.2011.0441 , Print ISSN 1751-8644, Online ISSN 1751-8652
In this study, the problem of decentralised output-feedback stabilisation is investigated for the first time for a class of large-scale high-order stochastic non-linear systems. By developing a decentralised high-gain homogeneous domination approach, we can completely relax the power order restriction which has been the common assumption for global stabilisation of high-order stochastic non-linear systems. It is shown that under some general conditions, the equilibrium of the closed-loop system is globally asymptotically stable (GAS) in probability when the drift and diffusion vector fields vanish at the origin. The efficiency of the output-feedback controller is demonstrated by a simulation example.
Inspec keywords: stochastic systems; decentralised control; feedback; nonlinear control systems; closed loop systems; asymptotic stability
Other keywords:
Subjects: Multivariable control systems; Stability in control theory; Time-varying control systems; Nonlinear control systems
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