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《Coal Mine Automation》 2002-01
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Study on Rotating Speed Control System with Phase Locked Loop for Motor

DI Jing, ZHANG Shen, FAN Ti feng (College of Information and Electrical Engineering, CUMT., Xuzhou 221008, China)  
A control method of DC motor using phase locked loop (PLL) was analyzed. The combination model of DC motor and optic coupler was given. According the model, a PLL structure for DC motor control system was designed and the characteristic of the system was measured. A linear control characteristic at the range of 50~2400Hz was obtained.
【CateGory Index】: TM301.2
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