发明授权
US5917296A Optimum motor speed control system 失效
最佳电机调速系统

Optimum motor speed control system
摘要:
The method for controlling a motor driving a load holds the speed of the output shaft of the motor substantially constant as the torque imposed upon the shaft by the load varies, then regulates the rate of change of the output torque delivered by the motor's output shaft as the motor's speed decreases.
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