Adaptive tracking control for switched stochastic nonlinear systems with unknown actuator dead-zone
Xudong Zhao; Peng Shi; Xiaolong Zheng; Lixian Zhang
Source PublicationAutomatica
2015
Issue60Pages:193-200
Abstract

This paper is concerned with the problem of adaptive tracking control for a class of switched stochastic nonlinear systems in nonstrict-feedback form with unknown nonsymmetric actuator dead-zone and arbitrary switchings. A variable separation approach is used to overcome the difficulty in dealing with the nonstrict-feedback structure. Furthermore, by combining radial basis function neural networks’ universal approximation ability and adaptive backstepping technique with common stochastic Lyapunov function method, an adaptive control algorithm is proposed for the considered system. It is shown that the target signal can be almost surely tracked by the system output, and the tracking error is semi-globally uniformly ultimately bounded in 4th" id="MathJax-Element-1-Frame" role="presentation" style="box-sizing: border-box; border-bottom: 0px; position: relative; min-width: 0px; text-align: left; border-left: 0px; padding-bottom: 0px; line-height: normal; text-transform: none; font-style: normal; text-indent: 0px; margin: 0px; min-height: 0px; padding-left: 0px; padding-right: 0px; display: inline-block; direction: ltr; max-width: none; word-wrap: normal; white-space: nowrap; float: none; letter-spacing: normal; max-height: none; font-size: 14.4px; border-top: 0px; font-weight: normal; border-right: 0px; word-spacing: normal; padding-top: 0px" tabindex="0">4th moment. Finally, the simulation studies for a ship maneuvering system are presented to show the effectiveness of the proposed approach.


KeywordSwitched Systems Stochastic Systems Adaptive Control Unknown Nonsymmetric Actuator Dead-zone
Document Type期刊论文
Identifierhttp://ir.ia.ac.cn/handle/173211/20190
Collection复杂系统管理与控制国家重点实验室_互联网大数据与信息安全
Recommended Citation
GB/T 7714
Xudong Zhao,Peng Shi,Xiaolong Zheng,et al. Adaptive tracking control for switched stochastic nonlinear systems with unknown actuator dead-zone[J]. Automatica,2015(60):193-200.
APA Xudong Zhao,Peng Shi,Xiaolong Zheng,&Lixian Zhang.(2015).Adaptive tracking control for switched stochastic nonlinear systems with unknown actuator dead-zone.Automatica(60),193-200.
MLA Xudong Zhao,et al."Adaptive tracking control for switched stochastic nonlinear systems with unknown actuator dead-zone".Automatica .60(2015):193-200.
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