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

被引：3

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

来源：

INTERNATIONAL JOURNAL OF DYNAMICS AND CONTROL | 2023年 / 11卷 / 02期

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

页码：748 / 758

页数：11

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