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《Journal of Zhejiang University(Engineering Science)》 2007-10
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VxWorks operation system based multi-CPU high performance control system

XIAO Tie-mei,ZHU Chun-yi,LI Chong-jian (Automation Research and Design Institute of Metallurgical Industry,Beijing 100071,China)  
A VME-based multi-CPU drive control system was designed.Considering the high reliability and exclusive selection,VME-based boards were adopted to build a hardware platform.An embedded real-time operation system "VxWorks" was adopted in the control system to improve the reliability and real-time capability.Then a current closeloop program was developed and a current close-loop control experiment with 3 kW asynchronous motor load was carried out.Changing the given current frequency continuously from 2 Hz to 4 Hz,both of the voltage waveform and the current waveforms of the motor were smooth sinusoidal wave and the motor speed transited smoothly.Accordingly,the motor speed can be regulated by rationally changing the given current frequency.
【CateGory Index】: TP273.5
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