压电偏摆镜快速精确控制研究  

On Fast and Accurate Control for Piezo-Based Steering Mirror

作　　者：赵艳彬[1] 许域菲[1] 廖鹤[1] 刘磊[2] 

机构地区：[1]上海卫星工程研究所,上海200240 [2]大连理工大学,大连116024

出　　处：《空间控制技术与应用》2014年第2期31-36,共6页Aerospace Control and Application

基　　金：国家自然科学基金资助项目(11302132);中国博士后科学基金资助项目(2013M530123);中央高校基本科研业务费(DUT13RC(3)09)

摘　　要：研究压电偏摆镜的快速精确控制系统.采用压电偏摆镜、电压放大器、位移传感器和实时控制系统AD5435搭建了闭环控制跟踪系统,根据压电系统动力学特性设计前馈-反馈复合控制器,采用闭环控制实验验证了压电偏摆镜的快速跟踪能力,对50 Hz谐波和三角波跟踪时,相对均方根误差小于3.6%.提出的压电偏摆镜精确跟踪控制设计方法可以应用在星载光机系统的精确扫描和抖振抑制等领域.A fast and accurate control system of the piezo-based steering mirror is presented in this paper. The closed-loop control system for scanning and tracking is constructed by combining the piezo-based steering mirror, voltage amplifier, displacement sensor and realtime control system AD5435. Then, the feedforward-feedback composite control is designed by using the characteristics of hysteretic dynamic in the piezoelectric system. The fast and accurate tracking performance of the piezo-based mirror is demonstrated by the closed-loop control experiment, in which the relative root mean square（RMS） errors of the sinusoidal and triangle trajectories at 50 Hz are less than 3.6%. The fast and accurate control method presented in this paper is beneficial to the accurate scanning and jitter suppression in the satellite-based optical-mechanical system.

关 键 词：压电偏摆镜 光机系统 机械振动 

分 类 号：TN209[电子电信—物理电子学]