Active disturbance rejection control of aerospace electromechanical servo system

被引：0
作者：
Wei Z.-Y. [1 ]
Xu W.-B. [1 ]
Zhang G.-L. [1 ]
Yu D. [1 ]
Wang H.-L. [1 ]
机构：
[1] Beijing Research Institute of Precise Mechanical and Electronic Control Equipment, Beijing
来源：
Kongzhi Lilun Yu Yingyong/Control Theory and Applications | 2021年 / 38卷 / 01期
关键词：
Active disturbance rejection control; Aerospace servo; Disturbance rejection; Electromechanical actuators; Monte Carlo simulation; Nonlinear control;
D O I：
10.7641/CTA.2020.00059
中图分类号：
学科分类号：
摘要：
The function of the aerospace electromechanical servo system is to receive the command signal of the rocket control system and drive the air rudder or nozzle to track the command signal. The traditional PID (proportional-integraldifferential) algorithm has been mature in the application of aerospace electromechanical servo system, but when the air rudder or nozzle load characteristics change, the ability of the traditional PID algorithm will decline significantly. Therefore, this paper establishes the flexible motion model of the aerospace electromechanical servo system, and proposes the application of the ADRC (active disturbances rejection controller) to the control of the aerospace servo system to realize the real-time estimation and compensation of the total load disturbance. Through simulation and experiment, it is found that the ADRC can deal with the uncertainty of system inner parameters and external disturbance. At the same time, the ADRC has the characteristics of good tracking in the low frequency range and significant attenuation in the high frequency range. © 2021, Editorial Department of Control Theory & Applications South China University of Technology. All right reserved.
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页码：73 / 80
页数：7
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