Active Disturbance Rejection Control for Uncertain Nonlinear Systems With Sporadic Measurements

doi:10.1109/JAS.2022.105566

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	Active Disturbance Rejection Control for Uncertain Nonlinear Systems With Sporadic Measurements
	Kanghui He; Chaoyang Dong; Qing Wang
发表期刊	IEEE/CAA Journal of Automatica Sinica
ISSN	2329-9266
	2022
卷号	9 期号:5 页码:893-906
摘要	This paper deals with the problem of active disturbance rejection control (ADRC) design for a class of uncertain nonlinear systems with sporadic measurements. A novel extended state observer (ESO) is designed in a cascade form consisting of a continuous time estimator, a continuous observation error predictor, and a reset compensator. The proposed ESO estimates not only the system state but also the total uncertainty, which may include the effects of the external perturbation, the parametric uncertainty, and the unknown nonlinear dynamics. Such a reset compensator, whose state is reset to zero whenever a new measurement arrives, is used to calibrate the predictor. Due to the cascade structure, the resulting error dynamics system is presented in a non-hybrid form, and accordingly, analyzed in a general sampled-data system framework. Based on the output of the ESO, a continuous ADRC law is then developed. The convergence of the resulting closed-loop system is proved under given conditions. Two numerical simulations demonstrate the effectiveness of the proposed control method.
关键词	Active disturbance rejection control (ADRC) extended state observer (ESO) sampled measurements uncertain nonlinear systems
DOI	10.1109/JAS.2022.105566
引用统计	被引频次：5[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.ia.ac.cn/handle/173211/47552
专题	学术期刊_IEEE/CAA Journal of Automatica Sinica
推荐引用方式 GB/T 7714	Kanghui He,Chaoyang Dong,Qing Wang. Active Disturbance Rejection Control for Uncertain Nonlinear Systems With Sporadic Measurements[J]. IEEE/CAA Journal of Automatica Sinica,2022,9(5):893-906.
APA	Kanghui He,Chaoyang Dong,&Qing Wang.(2022).Active Disturbance Rejection Control for Uncertain Nonlinear Systems With Sporadic Measurements.IEEE/CAA Journal of Automatica Sinica,9(5),893-906.
MLA	Kanghui He,et al."Active Disturbance Rejection Control for Uncertain Nonlinear Systems With Sporadic Measurements".IEEE/CAA Journal of Automatica Sinica 9.5(2022):893-906.

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