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�������պ����ѧѧ�� 2005, Vol. 31 Issue (02) :232-235    DOI:
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Application of virtual instrument based on CAN bus in multi-motor control system
Huang Jian, Han Mei*
School of Automation Science and Electrical Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

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Abstract�� The concept of virtual instruments was applied in a multi-motor control system to monitor each motor’s movement track and character of current, in order to realize optimal control. The multi-motor control system adopted client/server structure based on controller area network (CAN) bus, and the virtual instrument became the host unit replacing the motor control center in the development phase to debug and measure each motor control client unit. The visual instrument was built using CAN card and visual basic. It could adjust proportional-integral differential(PID) parameters of motors controller online, show the result digitally and graphically, update the digital signal processor (DSP) and field programmable gate array (FPGA) program on board and emulate some testing environment, and dramatically improve the development efficiency and product quality of certain type of X-ray machine.
Keywords�� electric machines   control   virtual instrument     
Received 2004-06-20;
About author: �� ��(1953-),��,���ϳ�ɳ��,�о�Ա,huangjian53@263.net.
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�ƽ�, ��÷.����CAN���ߵ����������ڶ��������е�Ӧ��[J]  �������պ����ѧѧ��, 2005,V31(02): 232-235
Huang Jian, Han Mei.Application of virtual instrument based on CAN bus in multi-motor control system[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2005,V31(02): 232-235
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