自适应事件触发下网络控制系统鲁棒容错控制  

Robust fault tolerant control of NCSs based on adaptive event-triggered mechanism

作　　者：田亦飞 姜偕富[1] 孙国领 TIAN Yifei;JIANG Xiefu;SUN Guoling(School of Automation,Hangzhou Dianzi University,Hangzhou Zhejiang 310018,China)

机构地区：[1]杭州电子科技大学自动化学院,浙江杭州310018

出　　处：《杭州电子科技大学学报（自然科学版）》2022年第1期60-66,共7页Journal of Hangzhou Dianzi University：Natural Sciences

基　　金：国家自然科学基金资助项目(61673148)。

摘　　要：针对一类存在执行器故障和参数不确定的网络控制系统,研究基于自适应事件触发机制网络控制系统的鲁棒容错控制问题。首先,引入自适应事件触发机制,根据系统实际状态自适应调节其触发条件;然后,建立闭环网络控制系统数学模型,运用Lyapunov稳定性理论和线性矩阵不等式技术,推出系统稳定的充分条件,进而给出控制器与自适应事件触发机制的协同设计方案;最后,通过示例仿真验证了提出方案的有效性。In this paper,the problem on co-design of robust fault tolerant control and adaptive event-triggered mechanism for a class of networked control systems is investigated,in which parameter uncertainties and actuator faults are considered simultaneously.Firstly,an adaptive event-triggered mechanism is introduced and its trigger parameters can be adjusted adaptively according to the actual state of the system.Secondly,a mathematical model of closed-loop networked control system is established,the sufficient conditions for the stability of the networked control system are obtained by using Lyapunov stability theory and linear matrix inequality technology.And then,a co-design method of robust fault tolerant control and adaptive event-triggered mechanism is given.Finally,a simulation example verifies the effectiveness of the method.

关 键 词：鲁棒容错控制 自适应事件触发机制 LYAPUNOV稳定性理论 线性矩阵不等式 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]