Brushless DC motor control utilizing a ROM

Details Brushless DC motor control utilizing a ROM Brushless DC motor control utilizing a ROM

1979-10-22

1981-05-26

Witkowski, Stanley J.

Electricity: motive power systems

Switched reluctance motor commutation control

318138, 318439, H02P 602

Patent

active

042700744

ABSTRACT:
The power switch driver circuit of a brushless DC motor control ensures synchronous operation by utilizing a ROM addressed by motor shaft position sensors. Excess current drawn by the motor windings is sensed by a detector which provides an additional bit of address input to correct the condition. The address input may also be modified by a bit signifying forward or reverse operation of the motor.

REFERENCES:
patent: 3976174 (1976-06-01), Kogler et al.
patent: 3979651 (1976-09-01), Bringol
patent: 4100471 (1978-07-01), Pritchard
patent: 4107593 (1978-08-01), Anderson
patent: 4151449 (1979-04-01), Takahashi

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