Driving circuit for a Hall motor

Details Driving circuit for a Hall motor Driving circuit for a Hall motor

1982-12-17

1984-08-28

Rubinson, G. Z.

Electricity: motive power systems

Switched reluctance motor commutation control

318138, 318439, H02K 2902

Patent

active

044685955

ABSTRACT:
A driving circuit for a Hall motor comprises a threshold voltage applying circuit for applying a predetermined threshold voltage, a comparing circuit for comparing an output voltage of the Hall element which varies according to the rotation of a rotor of the Hall motor with the threshold voltage, a voltage applying circuit for periodically applying a high input voltage of a pulse-form to a Hall element of the Hall motor, with a period according to an output of the comparing circuit, and a coil driving circuit supplied with the output of the comparing circuit, for producing an activating current to coils of the Hall motor. The period with which the high input voltage of the pulse-form is applied to the Hall element is equal to a period with which a specific magnetic pole position of the rotor opposes the Hall element.

REFERENCES:
patent: 3942083 (1976-03-01), Takahashi et al.
patent: 4023082 (1977-05-01), Tanikoshi
patent: 4114073 (1978-09-01), Uzuka

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