Application of LQG Controller in Antenna Servo Control System

被引：0
|
作者：
Chen, Jiankui [1 ]
Chen, Maozheng [2 ]
机构：
[1] Univ Chinese Acad Sci, Urumqi 830011, Xinjiang, Peoples R China
[2] Xinjiang Astron Observ, Urumqi 830011, Xinjiang, Peoples R China
来源：
2013 INTERNATIONAL CONFERENCE ON INFORMATION SCIENCE AND TECHNOLOGY (ICIST) | 2013年
关键词：
DESIGN;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The application of an LQG controller in antenna servo system is presented in this work, using Nanshan 25-m antenna of Xinjiang Astronomical Observatory. A linear quadratic optimal controller is designed, based on establishing controlled object model and according to the quadratic performance index. Meanwhile, taking into account the actual situation of the antenna work, the Gaussian noise signal is added to simulate the actual interference signal. Then a Kalman filter is designed for the noise. A traditional PI (Proportional and Integral) controller is joined in order to further improve control performance. The good simulation results are obtained by repeatedly optimizing the controller. The results indicate that the designed LQG controller achieves desired results in control performance (such as settling time and overshoot) and has good disturbance performance. Besides, the system is relatively stable.
引用
收藏
页码：73 / 76
页数：4
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