Fault estimation for persistent dwell time switched systems with actuator and sensor faults

被引：4
作者：
Fu, Shasha [1 ]
Chen, Liheng [2 ]
Zhu, Yanzheng [3 ]
机构：
[1] Heilongjiang Univ, Sch Elect Engn, Harbin 150001, Peoples R China
[2] Univ Macau, Fac Sci & Technol, Dept Electromech Engn, Taipa 999078, Macao Special A, Peoples R China
[3] Shandong Univ Sci & Technol, Coll Elect Engn & Automat, Qingdao 266590, Peoples R China
来源：
JOURNAL OF THE FRANKLIN INSTITUTE-ENGINEERING AND APPLIED MATHEMATICS | 2024年 / 361卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Fault estimation; Switched systems; Actuator faults; Sensor faults; Adaptive observers; Persistent dwell time; LINEAR-SYSTEMS; STABILITY; OBSERVER; DESIGN; STATE;
D O I：
10.1016/j.jfranklin.2023.12.021
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 investigates the fault estimation (FE) problem for a class of switched systems with external disturbances, actuator faults and sensor faults. A new adaptive FE observer is proposed to estimate the sensor and actuator faults simultaneously. Meanwhile, a more general and flexible persistent dwell time (PDT) switching signal is utilized to depict slow switching and fast switching phenomenon of switched systems. Then, sufficient conditions can be achieved to guarantee the stability of the estimation error dynamics. Finally, a simulation example of the circuit system is presented to show the effectiveness of the proposed FE scheme.
引用
收藏
页码：732 / 747
页数：16
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