Motor torque control circuit with barking control and motor driv

Details Motor torque control circuit with barking control and motor driv Motor torque control circuit with barking control and motor driv

1992-07-15

1993-06-15

Wysocki, Jonathan

Electricity: motive power systems

Switched reluctance motor commutation control

318138, 318 54, 318432, 388932, H02P 300

Patent

active

052202577

ABSTRACT:
A motor control circuit, in which the motor is driven to rotate by a driving current according to a torque control signal and the motor rotation is stopped by generating a torque on the motor in the reversing direction when a stop signal for stopping the motor is received, further being provided with a level inverting circuit disposed between a torque control signal generating circuit and a drive circuit for inverting the level of the torque control signal with respect to a predetermined reference level, a level inverted torque control signal by the level inverting circuit is outputted to the drive circuit when the stop signal is received, and further provided with a reference signal generating circuit generating a reference signal corresponding to a reference rotational speed of the motor as well as generating another reference signal corresponding to a rotational speed lower than that of the reference rotational speed when the stop signal is received.

REFERENCES:
patent: 4042862 (1977-08-01), Franklin
patent: 4105935 (1978-08-01), Arai et al.
patent: 4229684 (1980-10-01), Saglini et al.
patent: 4368411 (1983-01-01), Kidd
patent: 4520300 (1985-05-01), Fradella
patent: 4670696 (1987-06-01), Byrne et al.
patent: 5012171 (1991-04-01), Sember
patent: 5070285 (1991-12-01), Yamane et al.

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