Disturbance Rejection and Predictive Control for Systems With Input and Output Delays

被引:8
|
作者
Du, Youwu [1 ,2 ,3 ]
Cao, Weihua [2 ,3 ,4 ]
She, Jinhua [5 ]
Wu, Min [2 ,3 ,4 ]
Fang, Mingxing [3 ,6 ]
Kawata, Seiichi [7 ]
机构
[1] Jiangsu Univ Technol, Sch Elect & Informat Engn, Changzhou 213001, Jiangsu, Peoples R China
[2] China Univ Geosci, Sch Automat, Wuhan 430074, Hubei, Peoples R China
[3] Hubei Key Lab Adv Control & Intelligent Automat C, Wuhan 430074, Hubei, Peoples R China
[4] Minist Educ, Engn Res Ctr Intelligent Technol Geoexplorat, Wuhan 430074, Hubei, Peoples R China
[5] Tokyo Univ Technol, Sch Engn, Tokyo 1920982, Japan
[6] Anhui Normal Univ, Sch Phys & Elect Informat, Wuhu 241000, Anhui, Peoples R China
[7] Grad Sch Ind Technol, Adv Inst Ind Technol, Tokyo 1400011, Japan
基金
中国国家自然科学基金;
关键词
Delays; Observers; Automation; Linear systems; Estimation; Predictive control; Feedback control; Disturbance observer; disturbance rejection; equivalent input disturbance (EID); input delay; output delay; predictive control; LINEAR-SYSTEMS; FEEDBACK CONTROL; LTI SYSTEMS; TIME; SCHEME; STATE; STABILIZATION;
D O I
10.1109/TSMC.2021.3098754
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
Disturbance rejection and time-delay compensation are important for control systems in practice. This article presents an observer-and-predictor-based method to reject an unknown exogenous disturbance for an input-delay system in which only delayed output is available. First, the equivalent-input-disturbance method is employed to reconstruct the system state and to estimate the disturbance. A prediction of the disturbance is calculated to reduce the effect of a phase lag caused by the delays. A new predictive scheme is designed for feedback control. Next, the system is divided into two subsystems for analysis and design: one for reference tracking and the other for disturbance rejection. Sufficient conditions are derived to guarantee the system's stability. An analysis of the method reveals that the disturbance rejection can be viewed as a patch to the predictor-based feedback control. Finally, two case studies are used to show the validity and superiority of the method.
引用
收藏
页码:4589 / 4599
页数:11
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