执行器部分失效的鲁棒模糊容错切换控制  

Robust fuzzy fault-tolerant switching control with actuator partial failure

作　　者：曹世豪 施惠元[1,2] 苏成利 李平[1,4] Cao Shihao;Shi Huiyuan;Su Chengli;Li Ping(School of Information and Control Engineering,Liaoning Petrochemical University,Fushun 113001,China;State Key Laboratory of Synthetical Automation for Process Industries,Northeastern University,Shenyang 110819,China;School of Information Engineering,Liaodong University,Dandong 118001,China;School of Electronic and Information Engineering,University of Science and Technology Liaoning,Anshan 114051,China)

机构地区：[1]辽宁石油化工大学信息与控制工程学院,辽宁抚顺113001 [2]东北大学流程工业综合自动化国家重点实验室,辽宁沈阳110819 [3]辽东学院信息工程学院,辽宁丹东118001 [4]辽宁科技大学电子与信息工程学院,辽宁鞍山114051

出　　处：《南京理工大学学报》2024年第2期182-191,201,共11页Journal of Nanjing University of Science and Technology

基　　金：国家自然科学基金(61803191);辽宁省自然科学基金(2019-KF-03-05);高等学校创新人才支持计划项目(LR2019037)。

摘　　要：针对一类具有不确定性、外部扰动和执行器部分失效的非线性工业过程,提出一种鲁棒模糊容错切换控制方法。首先,构建新型多自由度T-S模糊状态空间模型,在此基础上,结合执行器部分失效的情况设计控制律。其次,给出基于线性矩阵不等式(LMI)的容错切换条件和系统稳定条件,并通过当前系统状态和稳定性条件求取其子模型的控制律及相应权值。最后,通过对连续搅拌釜式反应器的仿真研究来验证该文方法的有效性。A robust fuzzy fault-tolerant switching control method is proposed for a class of nonlinear industrial processes with uncertainties,external disturbances and partial actuator failures.Firstly,a new multi-degree-of-freedom T-S(Takagi-Sugeno)fuzzy state space model is constructed.On this basis,the control law is designed considering the partial failure of the actuator.Secondly,the fault-tolerant switching condition and system stability condition based on linear matrix inequality(LMI)are given.The control law and the corresponding weights of the sub-model are obtained from the stability condition and the current system state.Finally,the effectiveness of this method is verified by the simulation of continuous stirred tank reactor.

关 键 词：执行器部分失效 容错切换 T-S模糊模型 鲁棒控制 预测控制 

分 类 号：TP13[自动化与计算机技术—控制理论与控制工程]