A fault estimation and fault accommodation-based PI observer for switched systems with time delay

被引:1
作者
Telbissi, Kenza [1 ]
Benbraim, Abdoualaziz [1 ]
Benzaouia, Abdellah [1 ,2 ]
机构
[1] Univ Cadi Ayyad, Fac Sci Semlalia, PB 2390, Marrakech, Morocco
[2] MIS Univ Picardie Jules Verne, Amiens, France
关键词
Fault estimation; Fault accommodation; Switched systems; Time delay; TOLERANT CONTROL; STABILITY; SENSOR; DISCRETE; ACTUATOR;
D O I
10.1007/s40435-022-01018-z
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
This paper deals with the problem of fault-tolerant control (FTC) for switched systems in continuous-time case. A switched proportional integral observer is designed to estimate the state and the fault simultaneously. According to the fault estimation information, a fault-tolerant control strategy is built to automatically accommodate faults while maintaining system performances such as stability. Delay-dependent conditions are derived using a multiple Lyapunov-Krasovskii functional while respecting the average dwell time constraints in the objective to obtain less conservative results. A switched electrical circuit is studied to illustrate the applicability of the suggested FTC technique.
引用
收藏
页码:748 / 758
页数:11
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