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8 October 2015 Galvanometer control system design of aerial camera motion compensation
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Proceedings Volume 9678, AOPC 2015: Telescope and Space Optical Instrumentation; 967804 (2015)
Event: Applied Optics and Photonics China (AOPC2015), 2015, Beijing, China
Aerial cameras exist the image motion on the flight. The image motion has seriously affected the image quality, making the image edge blurred and gray scale loss. According to the actual application situation, when high quality and high precision are required, the image motion compensation (IMC) should be adopted. This paper designs galvanometer control system of IMC. The voice coil motor as the actuator has a simple structure, fast dynamic response and high positioning accuracy. Double-loop feedback is also used. PI arithmetic and Hall sensors are used at the current feedback. Fuzzy-PID arithmetic and optical encoder are used at the speed feedback. Compared to conventional PID control arithmetic, the simulation results show that the control system has fast response and high control accuracy.
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Mingrui Qiao, Jianzhong Cao, Huawei Wang, Yunzeng Guo, Changchang Hu, Hong Tang, and Yuefeng Niu "Galvanometer control system design of aerial camera motion compensation", Proc. SPIE 9678, AOPC 2015: Telescope and Space Optical Instrumentation, 967804 (8 October 2015);


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