发明授权
US4409530A Method and apparatus for stepper motor position control 失效
步进电机位置控制的方法和装置

Method and apparatus for stepper motor position control
摘要:
A stepper motor positioning control utilizing phase detection of the stepper motor windings. The device utilizes crude positioning apparatus to position the attached turntable or the like in an approximate position. The phase detection of the stepper motor windings is then used to position the attached turntable in the exact location desired.
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