赵旭东   

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Paper Publications

Title of Paper:非线性切换系统基于观测器的容错控制器设计

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Date of Publication:2017-10-15

Journal:控制与决策

Included Journals:Scopus、EI、CSCD

Volume:32

Issue:10

Page Number:1855-1863

ISSN No.:1001-0920

Key Words:切换系统;PI切换观测器;故障重构;容错控制

Abstract:针对一类具有执行器故障的非线性切换系统,研究基于系统状态估计和故障重构的容错控制问题.首先,在具有平均驻留时间(ADT)的切换信号下,设计一种切换PI观测器作为状态-故障估计器,以达到对系统状态和故障同时渐近估计的目的;其次,基于线性矩阵不等式,给出非线性切换系统观测器存在的充分条件;再次,基于PI观测器给出的状态和故障估计,提出一种非线性切换系统的容错控制器设计方法;最后,以一个电子电路为仿真实例进行分析,验证了所提出方法的可行性和适用性.

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