Intermediate estimator based finite-time fault-tolerant control for nonlinear switched stochastic systems

被引：1
|
作者：
Yu, Ping [1 ]
Han, Jian [1 ]
Liu, Xiuhua [1 ]
Wei, Xinjiang [1 ]
机构：
[1] Ludong Univ, Sch Math & Stat Sci, Yantai 264025, Peoples R China
来源：
INFORMATION SCIENCES | 2024年 / 679卷
基金：
中国国家自然科学基金;
关键词：
Finite-time intermediate estimator; Finite-time fault tolerance control; Nonlinear switched stochastic systems; Finite-time stochastically bounded; LINEAR-SYSTEMS; OBSERVER; DIAGNOSIS; ACTUATOR; MODEL;
D O I：
10.1016/j.ins.2024.120955
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The finite time fault -tolerant control problem for switched stochastic nonlinear systems with actuator and sensor faults is studied in this paper. Firstly, the finite -time intermediate estimator is considered to reconstructed the system state, sensor and actuator faults. The proposed observer involves the output estimation error feedback to improve the estimation accuracy. According to the estimator mentioned above, the fault -tolerant controller is proposed to reduce the fault impact. Using the average dwell time and piecewise Lyapunov functions, sufficient conditions for the nonlinear switched stochastic systems to achieve finite -time stochastic boundedness are obtained. Finally, two examples are proposed to illustrate the feasibility of above method.
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收藏
页数：16
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