Event-triggered sampling and fault-tolerant control co-design based on fault diagnosis observer

作     者：QIU Aibing ZHANG Jing JIANG Bin GU Juping 

作者机构：School of Electrical Engineering Nantong University School of Automation Nanjing University of Science and Technology College of Automation Engineering Nanjing University of Aeronautics and Astronautics 

出 版 物：《Journal of Systems Engineering and Electronics》 (系统工程与电子技术（英文版）)

年 卷 期：2018年第29卷第1期

页      面：176-186页

核心收录：

学科分类：0711[理学-系统科学] 07[理学] 071102[理学-系统分析与集成] 

基　　金：supported by the National Natural Science Foundation of China(61473159 61374136 61104028) the Research Innovation Program of Nantong University(YKC16004) 

主　　题：event-triggered sampling fault estimation active fault tolerant control(FTC) co-design 

摘      要：A co-design scheme of event-triggered sampling mechanism and active fault tolerant control(FTC) is developed. Firstly,a fault diagnosis observer is designed to estimate both the fault and the state simultaneously by using the event-triggered sampled output. Some H∞constraints between the estimation errors and the event-triggered sampling mechanism are established to ensure the estimation accuracy. Then, based on the constraints and the obtained fault information, an event-triggered detector and a static fault tolerant controller are co-designed to guarantee the stability of the faulty system and to reduce the sensor communication ***, the problem of the event detector and dynamic FTC co-design is also investigated. Simulation results of an unstable batch reactor are finally provided to illustrate the effectiveness of the proposed method.