Frequency-Weighted Minimum-Variance Adaptive Control of Laser Beam Jitter

  title={Frequency-Weighted Minimum-Variance Adaptive Control of Laser Beam Jitter},
  author={N. O. Perez-Arancibia and J. S. Gibson and Tsu-Chin Tsao},
  journal={IEEE/ASME Transactions on Mechatronics},
This paper introduces a frequency-weighting method for adaptive disturbance rejection. The method constrains the high-frequency gain of the prediction filter in a minimum-variance adaptive controller. In an experimental application, the method is used to control a microelectromechanical system fast steering mirror to suppress laser beam jitter. The paper analyzes the effect of sensor noise on the performance of the adaptive control system and demonstrates that sufficient levels of high… CONTINUE READING
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Adaptive control of a MEMS steering mirror for free-space laser communications

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