Dry Friction Compensation for Radio Telescope Servo Drive Based on the Model Predictive Control

被引：0
|
作者：
Tran Huu Phuong [1 ]
Belov, Mikhail P. [1 ]
Nguyen Van Lanh [1 ]
机构：
[1] St Petersburg Electrotech Univ LETI, St Petersburg, Russia
来源：
PROCEEDINGS OF 2019 XXII INTERNATIONAL CONFERENCE ON SOFT COMPUTING AND MEASUREMENTS (SCM) | 2019年
关键词：
servo control system; radio telescope; dry friction torque; model predictive control; SYSTEM;
D O I：
10.1109/scm.2019.8903908
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
The paper presents an approach to compensate the bad influence of dry friction torque in radio telescope electrical servo drives at very low velocities tracking. We introduce mathematical model of dry friction phenomena and its approximation by using smooth, continuous trigonometric functions. Method of dry friction torque compensation using model predictive control (MPC) in velocity loop is considered and developed. It is shown that proposed the compensation method significantly improves the accuracy of servo control system tracking precision.
引用
收藏
页码：77 / 80
页数：4
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