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《Ordnance Industry Automation》 2005-02
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FPGA-Based Submarine Star Tracker System

CAO Bing1,2,CAO Zhong-sheng1,LIU Ai-dong2(1.College of Computer,Huazhong University of Science & Technology,Wuhan 430074,China;2.Huazhong Institute of Electro-Optics Technology,Wuhan 430073,China)  
The submarine star tracker system is controlled with an industrial control computer. The angle and velocity data is inputted through FPGA (Field Programmable Gate Array), the comprehensive comparison and a PID revising is made by industrial computer, and then the produced digital voltage signal is converted through the D/A converter. The movement of the torque motor was controlled with digital voltage signal amplified by PWM and the power amplifier. The system software includes such programs as the man-machine interactive interface, input and output interfaces and automatic tracking, etc. The system was applied to reduce components and enhance reliability and real time capability.
【CateGory Index】: U666.13
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