首页|Disturbance Rejection for Systems With Uncertain-ties Based on Fixed-Time Equivalent-Input-Disturbance Approach
Disturbance Rejection for Systems With Uncertain-ties Based on Fixed-Time Equivalent-Input-Disturbance Approach
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Disturbance Rejection for Systems With Uncertain-ties Based on Fixed-Time Equivalent-Input-Disturbance Approach
This paper presents a fixed-time equivalent-input-disturbance(EID)approach to deal with the problem of robust output-feedback control for perturbed uncertain systems.This method uses the basic structure of the conventional EID approach and treats uncertainties and disturbances as a lumped distur-bance on the control-input channel.A fixed-time state observer enables state estimation,which resolves the causality issue in an EID-based control system,is finished in a fixed time.An implicit Lyapunov function,the homogeneity with dilation,the input-to-state stability,and the small-gain theorem are used to analyze the convergence and robustness of the EID-based system with mea-surement noise.Numerical and experimental results are pre-sented to demonstrate the effectiveness and superiority of the pro-posed method.
Disturbance rejectionequivalent-input-disturbance(EID)approachfixed-time stabilitymeasurement noiseoutput feed-back control
Qun Lu、Xiang Wu、Jinhua She、Fanghong Guo、Li Yu
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School of Aeronautical Engineering,Taizhou University,Jiaojiang 318000
Zhejiang Dafeng Industry Co.,Ltd.,Hangzhou 315400,China
Zhejiang Provincial United Key Laboratory of Embedded Systems,Zhejiang University of Technology,Hangzhou 310023,China
School of Engineering,Tokyo University of Technology,Tokyo 192-0982,Japan
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Disturbance rejection equivalent-input-disturbance(EID)approach fixed-time stability measurement noise output feed-back control
Qun Lu,Xiang Wu,Jinhua She,等.Disturbance Rejection for Systems With Uncertain-ties Based on Fixed-Time Equivalent-Input-Disturbance Approach[J].自动化学报(英文版),2024,11(12):2384-2395.DOI:10.1109/JAS.2024.124650.
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