Research on control technology of fast steering mirror driven by piezoelectric ceramic

Yan Liu; Zhiyuan Li; Chao Wang

doi:10.1117/12.2639893

19 October 2022 Research on control technology of fast steering mirror driven by piezoelectric ceramic

Yan Liu, Zhiyuan Li, Chao Wang

Proceedings Volume 12294, 7th International Symposium on Advances in Electrical, Electronics, and Computer Engineering; 122940C (2022) https://doi.org/10.1117/12.2639893
Event: 7th International Symposium on Advances in Electrical, Electronics and Computer Engineering (ISAEECE 2022), 2022, Xishuangbanna, China

Abstract

In order to strike the target with high precision, the beam pointing accuracy of laser weapon needs to reach μrad level. The hysteresis, creep and high frequency non-linearity of piezoelectric ceramics (PZT) are the main factors that affect the system's pointing accuracy. In order to improve the dynamic control accuracy of fast steering mirror (FSM), the motion principle of FSM is introduced. The electromechanical model and the mathematical model of control object are proposed. The Smith predictive control algorithm is used to design control parameters and to validate the control algorithm by simulation.

Citation Download Citation

Yan Liu, Zhiyuan Li, and Chao Wang "Research on control technology of fast steering mirror driven by piezoelectric ceramic", Proc. SPIE 12294, 7th International Symposium on Advances in Electrical, Electronics, and Computer Engineering, 122940C (19 October 2022); https://doi.org/10.1117/12.2639893

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