Brushless motor driving method and apparatus

Details Brushless motor driving method and apparatus Brushless motor driving method and apparatus

1993-05-06

1994-04-19

Wysocki, Jonathan

Electricity: motive power systems

Switched reluctance motor commutation control

318439, H02P 700

Patent

active

053049039

ABSTRACT:
In a brushless motor, the frequency of an output signal of a synchronizing signal generation unit, a duty ratio in a synchronized operation mode and a duty ratio in a rotator position detection operation mode are set such that a rotating speed in the rotator position detection operation mode becomes equal to or lower than a rotating speed in the synchronized operation mode, thereby enabling smooth change-over from the synchronized operation mode to the rotator position detection operation mode.

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