System for controlling brushless DC motor

Details System for controlling brushless DC motor System for controlling brushless DC motor

1986-02-19

1987-10-13

Roskoski, Bernard

Electricity: motive power systems

Switched reluctance motor commutation control

318138, 318430, H02P 602

Patent

active

047001160

ABSTRACT:
A brushless DC motor control system comprises a commercially available semiconductor commutator supplying field current to stator windings of the DC motor, a current detector connected to a negative-side terminal of the semiconductor commutator, a signal conversion circuit converting the output signal of the current detector to a signal correlated to the load of the motor, and a microcomputer controlling the semiconductor commutator according to the output signal of the signal conversion circuit in the motor starting mode.

REFERENCES:
patent: 4097788 (1978-06-01), Nygaard et al.
patent: 4403177 (1983-09-01), Weber et al.
patent: 4454458 (1984-06-01), Holland
patent: 4510422 (1985-04-01), Ogura
patent: 4544868 (1985-10-01), Murty
patent: 4583028 (1986-04-01), Angersbach et al.
patent: 4603283 (1986-07-01), Oltendorf
patent: 4631459 (1986-12-01), Fujioka et al.

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