Design and Application of a New Nonlinear Controller for Servo System of Antenna

被引：0
|
作者：
Zhang, Xi [1 ]
Liu, Xin [1 ]
Wang, Jingcheng [1 ]
Fu, Qiang [1 ]
Liu, Ning [1 ]
机构：
[1] China Elect Technol Grp Corp, 54 Res Inst, Antenna Serv Dept, Shijiazhuang 050000, Peoples R China
来源：
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2024年 / 34卷 / 08期
关键词：
Brushless motor; dynamic tracking performance; nonlinear sliding mode control; servo system of antenna;
D O I：
10.1109/TASC.2024.3441604
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper proposes the design and application of a new nonlinear sliding mode controller for servo system of antenna with a brushless driving motor. First, the dynamic properties of the servo system are analyzed, and the system model is simplified and established. After that, a chattering free sliding mode control strategy is designed to deal with the nonlinearity caused by the permanent magnet brushless driving motor. Finally, the results and analysis of the controlled experiment show that the proposed nonlinear sliding mode control strategy can be applied in the actual antenna system and significantly improve the tracking accuracy and speed of the servo system.
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页数：4
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