• Laser & Optoelectronics Progress
  • Vol. 58, Issue 13, 1314004 (2021)
Rui Zhou1, Qiang Zhang1、*, Yong Liao1, Yongdong Gan2、3, Feng Shen2、3, and Xinyang Li2、3
Author Affiliations
  • 1College of Air Traffic Management, Civil Aviation Flight University of China, Guanghan, Sichuan 618307, China
  • 2Key Laboratory on Adaptive Optics, Chinese Academy of Sciences, Chengdu , Sichuan 610209, China
  • 3Institute of Optics & Electronics, Chinese Academy of Sciences, Chengdu , Sichuan 610209, China
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    DOI: 10.3788/LOP202158.1314004 Cite this Article Set citation alerts
    Rui Zhou, Qiang Zhang, Yong Liao, Yongdong Gan, Feng Shen, Xinyang Li. Research on Beam Jitter Control Technology Base on Hybrid Adaptive Filter[J]. Laser & Optoelectronics Progress, 2021, 58(13): 1314004 Copy Citation Text show less

    Abstract

    In the beam transmission system, there are usually wide-band disturbances with energy inversely proportional to the frequency caused by the transmission medium and narrow-band disturbances at a specific frequency caused by platform vibration, which causes the beam to jitter or drift and lead to the decrease of the spot energy. In order to solve the beam jitter caused by large amplitude, high frequency narrow-band disturbance and wide-band disturbance in the beam transmission system, this paper designs a beam jitter control method based on a hybrid adaptive filter with high-speed tilting mirror resonance compensation. The method adopts the control structure of the least mean square (LMS) adaptive filter and the classic proportional integral controller working in parallel. The LMS adaptive filter is used to suppress high frequency and large narrow-band disturbances, and the proportional integral controller is used to suppress the wide-band disturbance, so as to realize the simultaneous suppression of the large amplitude, high frequency narrow-band disturbance and wide-band disturbance. Experimental results show that the system structure and control method proposed in this paper can effectively suppress the beam jitter in the beam transmission system.
    Rui Zhou, Qiang Zhang, Yong Liao, Yongdong Gan, Feng Shen, Xinyang Li. Research on Beam Jitter Control Technology Base on Hybrid Adaptive Filter[J]. Laser & Optoelectronics Progress, 2021, 58(13): 1314004
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