Motor control system having dead band control

Details Motor control system having dead band control Motor control system having dead band control

1974-06-05

1976-04-13

Rubinson, G. Z.

Electricity: motive power systems

Braking

Automatic and/or with time-delay means

318343, 318344, H02P 500

Patent

active

039506835

ABSTRACT:
A motor control system is disclosed for use in controlling a DC motor. This system employes a high gain DC amplifier for providing command signals to a motor control circuit which, in turn, controls energization of the motor to vary the motor speed dependent upon the magnitude of a command signal. A dead band range of operation of the DC amplifier is obtained to prevent motor creeping when the motor speed signal calls for zero speed. This is achieved with a negative feedback network which is operative only over a limited range of input signals to effectively nullify the motor speed command signal.

REFERENCES:
patent: 3450973 (1969-06-01), Tobey
patent: 3736486 (1973-05-01), Gould et al.
patent: 3745436 (1973-06-01), Buttafava

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