Rotation control circuit for a hall motor

Details Rotation control circuit for a hall motor Rotation control circuit for a hall motor

1989-09-22

1990-05-01

Shoop, Jr., William M.

Electricity: motive power systems

Switched reluctance motor commutation control

318603, 318714, 310DIG3, H02P 602

Patent

active

049225138

ABSTRACT:
A rotation control circuit for a Hall motor of reduced-size and suppressed irregular rotation and having a controller that stores in a memory circuit data indicative of an irregular magnetization of a rotor magnet derived from a change of the magnetic field of the rotor magnet detected by a Hall element as an irregular rotation informationsignal, in which the irregular rotation information signal is input to a speed servo loop of the Hall motor, whereby the change of magnetic field of the rotor magnet is used as an FG signal to form a speed servo circuit.

REFERENCES:
patent: 3946292 (1976-03-01), Tanikashi
patent: 4356437 (1982-10-01), Saito et al.
patent: 4363984 (1982-12-01), Torii et al.
patent: 4376914 (1983-03-01), Kimura
patent: 4511828 (1985-04-01), Wada
patent: 4626752 (1986-12-01), Fujisaka
patent: 4668884 (1987-05-01), Amao et al.
patent: 4710683 (1987-12-01), Bahn et al.

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