Motor drive control apparatus

Details Motor drive control apparatus Motor drive control apparatus

1992-02-18

1993-10-05

Ro, Bentsu

Electricity: motive power systems

Armature circuit control

318254, 318269, 318374, H02P 310, H02P 7285

Patent

active

052508838

ABSTRACT:
There is provided a drive control apparatus for a motor having a drive device for controlling current supplied to an armature coil, a control device for controlling the rotation speed of a rotor, and a mode switch device for comparing a rotation speed signal and a predetermined reference voltage and generating a normal rotation mode signal or a reverse rotation mode signal. Furthermore, the drive control device has the drive device, the control device and a signal delay device. The signal delay device delays the supply of a stop signal from the control device by a predetermined time, and a reverse current is supplied to the armature coil during the delay time.

REFERENCES:
patent: 4549120 (1985-10-01), Banno et al.
patent: 4587468 (1986-05-01), Hotta
patent: 4629949 (1986-12-01), Senso
patent: 4833378 (1989-05-01), Furue et al.
patent: 4926101 (1990-05-01), Enomoto et al.
patent: 4929875 (1990-05-01), Olsson

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