Motor control device

Details Motor control device Motor control device

1986-03-06

1987-01-27

Dobeck, Benjamin

Electricity: motive power systems

Braking

Automatic and/or with time-delay means

318326, 318448, H02P 516

Patent

active

046396497

ABSTRACT:
A motor control device comprises a motor speed detector, a reference signal generator and a control circuit for controlling rotation of a motor in accordance with a reference signal from the reference signal generator and a speed signal from the motor speed detector. The control circuit includes means for eliminating a phase error component during a phase synchronization pull-in period.

REFERENCES:
patent: 3621353 (1971-11-01), Matley
patent: 3836833 (1974-09-01), Harris et al.
patent: 4271382 (1981-06-01), Maeda et al.
patent: 4278925 (1981-07-01), Minakuchi

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