A piezoelectric fast mirror double closed-loop adaptive angle real-time measurement and compensation method and system
By constructing a dual-closed-loop adaptive control structure for the piezoelectric fast reflector and combining it with an adaptive algorithm to correct the model parameters online, the problem of inaccurate angle measurement caused by the nonlinear and time-varying characteristics of the piezoelectric fast reflector was solved, and high-precision and stable angle control was achieved.
CN122408693APending Publication Date: 2026-07-17ZHONGBEI UNIV
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- ZHONGBEI UNIV
- Filing Date
- 2026-03-02
- Publication Date
- 2026-07-17
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Figure CN122408693A_ABST
Abstract
一种压电快反镜双闭环自适应角度实时测量与补偿方法及系统，属于精密光学工程技术领域，解决压电快反镜在实际工作中因压电陶瓷非线性、机械结构时变特性和外部扰动导致的角度测量不准确、控制精度下降的问题。所述方法通过构建内环位移闭环与外环角度闭环相结合的反馈结构，并引入自适应算法在线修正测量模型参数，实现对镜面偏转角度的精确、实时测量与补偿，本发明适用于天文观测、激光雷达、航空航天导航等场景。
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