Control system for stepping motors, a method of operating...

Details Control system for stepping motors, a method of operating... Control system for stepping motors, a method of operating...

H - Electricity

02

P

318/20

H02P 8/00 (2006.01) G05B 19/40 (2006.01) H02K 37/00 (2006.01) H02P 8/24 (2006.01)

Patent

CA 1142582

ABSTRACT OF THE DISCLOSURE An open loop control device and method are provided for stepping motors. By energizing a motor so that the rotor motion is the result of a revolving field which is of stepwise constant speed and uniform field strength, the rotor can be brought to a stop at any desired position. Such position can be the same as or different from the conventional full-increment or half-increment detent positions of the motor. This control me- thod and device guarantee that there is no oscillation when the rotor reaches its final position.

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