Design of driving and control system based on Voice Coil Actuation for linear motion of micro-lens array

Jie Xiang; Nan Wu; Jian Zhang; Liying Wu

doi:10.1117/12.821241

12 January 2009 Design of driving and control system based on Voice Coil Actuation for linear motion of micro-lens array

Jie Xiang, Nan Wu, Jian Zhang, Liying Wu

Author Affiliations +

Proceedings Volume 7133, Fifth International Symposium on Instrumentation Science and Technology; 713330 (2009) https://doi.org/10.1117/12.821241
Event: International Symposium on Instrumentation Science and Technology, 2008, Shenyang, China

Abstract

In order to realize laser beam steering, a driving and control system based on Voice Coil Actuator (VCA) is designed for linear motion of micro-lens array. According to the feedback displacement signals acquired from displacement sensor, controller of the system sends control signals to Purse Width Modulator (PWM) driver which is used to power the VCA. VCA provides driving force for the support structure of the system which connects the micro-lens array, and then the linear motion of micro-lens array is achieved with the movement of support structure. The effectiveness of the system was verified through experiment. Experiments results show that the displacement resolution of the linear driving and control system is 10&mgr;m , which satisfies the requirement for laser beam steering.

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Jie Xiang, Nan Wu, Jian Zhang, and Liying Wu "Design of driving and control system based on Voice Coil Actuation for linear motion of micro-lens array", Proc. SPIE 7133, Fifth International Symposium on Instrumentation Science and Technology, 713330 (12 January 2009); https://doi.org/10.1117/12.821241

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