Discrete multi-periodic repetitive control with power-rate attracting

被引：0
|
作者：
Wu L.-W. [1 ]
Lei B.-C. [1 ]
Chen G. [1 ]
Su N. [1 ]
机构：
[1] College of Electronics and Information Engineering, Taizhou University, Taizhou
来源：
Kongzhi yu Juece/Control and Decision | 2020年 / 35卷 / 09期
关键词：
Chattering-free; Discrete-time systems; Multi-periodic disturbances; Power-rate attracting law; Reaching law; Repetitive control;
D O I：
10.13195/j.kzyjc.2018.1720
中图分类号：
学科分类号：
摘要：
This paper presents a power-rate attracting law based design method of discrete-time multi-periodic repetitive controllers for the problem of general multi-periodic disturbances rejection. The multi-periodic disturbance is a superposition of multiple periodic disturbances with known periods. According to the symmetry of periodic disturbance, a measure of disturbance rejection is embedded in the power-rate attracting law, thus developing the sub-repetitive controller, and the parallel-mode multi-periodic repetitive controller is designed. The multi-periodic disturbance is rejected completely, and slowtime-varying aperiodic disturbance is suppressed effectively. In order to characterize the tracking performance, we derive the expressions for the range of the power absolute attractive layer and the steady-state error band. Simulation results show the effectiveness of the presented control method. © 2020, Editorial Office of Control and Decision. All right reserved.
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页码：2299 / 2304
页数：5
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