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A Method of Enhancing Fast Steering Mirror’s Ability of Anti-Disturbance Based on Adaptive Robust Control

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Listed:
  • Shitao Zhang
  • Bao Zhang
  • Xiantao Li
  • Zhengxi Wang
  • Feng Qian

Abstract

Fast steering mirror (FSM) plays a crucial role in stabilization of the line-of-sight (LOS) and phase shift compensation. The control accuracy of the FSM is affected by various disturbances especially the vibration in the aviation environment. Traditional anti-disturbance methods, such as disturbance observer (DOB), have a little effect of suppressing disturbance in FSM. But it also brings some problem, such as increasing mass and amplifying high frequency noise. To solve these problems, an anti-disturbance strategy based on adaptive robust control (ARC) was proposed. And it will not amplify the high-frequency noise which is inevitable in DOB. Experimental results show that, using adaptive robust controller, the steady-state error of the FSM decreased 4.8 times compared to simple PID control and 1.9 times compared to DOB+PID control in the simulated vibration environment.

Suggested Citation

  • Shitao Zhang & Bao Zhang & Xiantao Li & Zhengxi Wang & Feng Qian, 2019. "A Method of Enhancing Fast Steering Mirror’s Ability of Anti-Disturbance Based on Adaptive Robust Control," Mathematical Problems in Engineering, Hindawi, vol. 2019, pages 1-9, January.
    • Handle: RePEc:hin:jnlmpe:2152858
    DOI: 10.1155/2019/2152858
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    Cited by:

    1. Jiawen Wu & Qian Liu & Pan Yu, 2024. "Anti-Disturbance Bumpless Transfer Control for a Switched Systems via a Switched Equivalent-Input-Disturbance Approach," Mathematics, MDPI, vol. 12(15), pages 1-12, July.

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