ADRC based control for a class of input time delay systems

doi:10.21629/JSEE.2017.06.19

Journal of Systems Engineering and Electronics ›› 2017, Vol. 28 ›› Issue (6): 1210-1220.doi: 10.21629/JSEE.2017.06.19

出版日期:2017-12-27 发布日期:2017-12-27

ADRC based control for a class of input time delay systems

Dongyang Zhang, Xiaolan Yao*, Qinghe Wu, and Zhuoyue Song

School of Automation, Beijing Institute of Technology, Beijing 100081, China

Online:2017-12-27 Published:2017-12-27

摘要/Abstract

Abstract:

This paper is concerned with the control design and the theoretical analysis for a class of input time-delay systems with stable, critical stable or unstable poles. In order to overcome the time delay, a novel feed-forward compensation active disturbance rejection control (FFC-ADRC) approach is proposed. It combines advantages of the Smith predictor and the traditional active disturbance rejection control (ADRC). The tracking differentiator (TD) is designed to predict the control signal, which adds an anticipatory control to the control signal and allows a higher observer bandwidth to obtain better disturbance rejection. The modified extended state observer (ESO) is designed to estimate both system states and the total disturbances (internal disturbance, uncertainties and delayed disturbance). Then the Lyapunov theory and the theory of the input-output stability are applied to prove the asymptotic stability of the closed-loop control system. Finally, numerical simulations show the effectiveness and practicality of the proposed design.

. [J]. Journal of Systems Engineering and Electronics, 2017, 28(6): 1210-1220.

Dongyang Zhang, Xiaolan Yao, Qinghe Wu, and Zhuoyue Song. ADRC based control for a class of input time delay systems[J]. Journal of Systems Engineering and Electronics, 2017, 28(6): 1210-1220.

ADRC based control for a class of input time delay systems

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