Robust H∞ fault-tolerant control for stochastic Markov jump time-delay systems with actuator faults and application

被引:2
作者
Fu Xingjian [1 ]
Pang Xinrui [1 ]
机构
[1] Beijing Informat Sci & Technol Univ, Sch Automat, 12 Xiaoying East Rd, Beijing 100192, Peoples R China
基金
中国国家自然科学基金;
关键词
actuator failure; Markov jump system; time-delay; robust fault-tolerant control; UAV; SLIDING MODE CONTROL; VARYING DELAY; STRATEGY;
D O I
10.3176/proc.2021.1.10
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
This paper investigates the robust H infinity fault-tolerant controller design under actuator failure for a class of the stochastic Markov jump time-delay systems with parameter uncertainties. The existence condition of the state feedback robust H infinity fault-tolerant controller with actuator failure is presented. The robust H infinity fault-tolerant control algorithm is derived in the form of linear matrix inequality via the Lyapunov stability theory. The proposed control does not need to estimate the boundary value of an actuator fault, nor does it depend on fault detection and diagnostic devices. By solving the linear matrix inequality, a robust fault-tolerant controller, which makes the closed-loop system asymptotically stable and whose H infinity performance is restricted by a given bound, is designed such that its structure is comparably simpler and does not require a large number of calculations. The designed controller is applied to a UAV illustrative example. The numerical results and computer simulation demonstrate the effectiveness of the proposed fault-tolerant control.
引用
收藏
页码:102 / 110
页数:9
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