Method and apparatus for controlling brushless DC motor

Details Method and apparatus for controlling brushless DC motor Method and apparatus for controlling brushless DC motor

1992-03-26

1994-07-05

Ro, Bentsu

Electricity: motive power systems

Switched reluctance motor commutation control

318431, H02P 602, H02P 118

Patent

active

053270525

ABSTRACT:
When a brushless DC (direct current) motor is started to rotate a rotor, a normal current value is set and then a motor drive current corresponding to the set normal current value is supplied to the brushless DC motor. If the brushless DC motor is not started by this motor drive current, the current value to be set is increased at a desired rate, and a motor drive current corresponding to the increased current value is supplied to the brushless DC motor. That is, the motor drive current corresponding to the current value increased at a desired rate is sequentially supplied to the brushless DC motor until the brushless DC motor has started.

REFERENCES:
patent: 3609493 (1971-09-01), Rakes
patent: 3780363 (1973-12-01), Doemen et al.
patent: 4114073 (1978-09-01), Uzuka
patent: 4403177 (1983-09-01), Weber et al.
patent: 4544868 (1985-10-01), Murty
patent: 4678971 (1987-07-01), Lehnhoff et al.
patent: 4879498 (1989-11-01), Shinohara et al.

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