Design of an Observer-Based Repetitive Control System to Reject Periodic Disturbance

作者：Shao, Zhen; Xiang, Zhengrong^*

来源：Journal of Circuits, Systems, and Computers, 2016, 25(6): 1650061.

DOI：10.1142/S0218126616500614

• Repetitive control
• learning control
• disturbance rejection
• 2D systems

This paper concerns the design of an observer-based repetitive control system (RCS) to improve the periodic disturbance rejection performance. The periodic disturbance is estimated by a repetitive learning based estimator (RLE) and rejected by incorporation of the estimation into a repetitive control (RC) input. Firstly, the configuration of the observer-based RCS with the RLE is described. Then, a continuous-discrete two-dimensional (2D) model is built to describe the RCS. By choosing an appropriate Lyapunov functional, a sufficient condition is proposed to guarantee the stability of the RCS. Finally, a numerical example is given to verify the effectiveness of the proposed method.

• 出版日期2016-6
• 单位南京理工大学