Mao Bonian, Meng Xin, Bian Chunjiang, Gao Dong, Zhang Lei. Servo control system in two-dimensional coupled optics swing mirror[J]. Infrared and Laser Engineering, 2015, 44(2): 544-548.
| Citation:
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Mao Bonian, Meng Xin, Bian Chunjiang, Gao Dong, Zhang Lei. Servo control system in two-dimensional coupled optics swing mirror[J]. Infrared and Laser Engineering, 2015, 44(2): 544-548.
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Servo control system in two-dimensional coupled optics swing mirror
- 1.
Key Laboratory of Electronics and Imformation Technology for Space Systems,CSSAR,CAS,Beijing 100190,China;
- 2.
University of Chinese Academy of Sciences,Beijing 100049,China
- Received Date: 2014-06-10
- Rev Recd Date:
2014-07-12
- Publish Date:
2015-02-25
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Abstract
Two-dimensional coupled optics swing mirror is a core module in an infrared optical scanning system of space, which demands special requirements of high precision and decoupling movement in a servo control system. A novel decoupling strategy called coupled offset compensation and segmentation stepping method was proposed based on accurate system modeling, abundant simulating and analysis results. The proposed servo control system of optics swing mirror was mainly constructed with a DSP chip, high precision brushless resolvers and limited angle brushless torque motors, which adopted position feedback and velocity feedback by PID algorithm. The experimental results indicate that the novel decoupling strategies are correct and that the servo control system makes the swing mirror achieve high precision movement which has a good dynamic characteristics, short response time and small overshoot. The method applied to the servo control system can be widely used in the field of high-precision swing scanning control system and possesses a great application prospect.
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