Design of incomplete derivative fuzzy PID control system for fast-steering mirror

Zhiwei Ai; Yi Tan; Qiongyan Wu; Ge Ren; Yufen Tan; Nengbing Zhu; Fuyin Zhu

doi:10.1117/12.2243307

24 October 2016 Design of incomplete derivative fuzzy PID control system for fast-steering mirror

Zhiwei Ai, Yi Tan, Qiongyan Wu, Ge Ren, Yufen Tan, Nengbing Zhu, Fuyin Zhu

Proceedings Volume 9682, 8th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes; 96820S (2016) https://doi.org/10.1117/12.2243307
Event: Eighth International Symposium on Advanced Optical Manufacturing and Testing Technology (AOMATT2016), 2016, Suzhou, China

Abstract

The structure parameters of fast-steering mirror (FSM) might change with time goes by. In order to reduce the impact of this change on the output performance of FSM system, an incomplete derivative fuzzy PID control system is proposed. This control system can effectively improve the time domain quality of FSM system by optimizing the PID control parameters online. First, the dynamic model of FSM is established. Second, the initial parameters of the incomplete derivative PID control system are designed according to the frequency domain quality of the closed-loop system. Then, the rules and related factors of the fuzzy controller are designed on the basis of the initial parameters. Finally, simulation experiments are carried out. The results show that the incomplete derivative PID control system has shorter adjustment time, less overshoot and lower dependence on the parameters of FSM when compared with the fixed parameters PID control system.

Citation Download Citation

Zhiwei Ai, Yi Tan, Qiongyan Wu, Ge Ren, Yufen Tan, Nengbing Zhu, and Fuyin Zhu "Design of incomplete derivative fuzzy PID control system for fast-steering mirror", Proc. SPIE 9682, 8th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes, 96820S (24 October 2016); https://doi.org/10.1117/12.2243307

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