Control circuit for a stepping motor

Details Control circuit for a stepping motor Control circuit for a stepping motor

1990-09-20

1993-08-17

Shoop, Jr., William M.

Electricity: motive power systems

Positional servo systems

With particular motor control system responsive to the...

363 98, G05B 1940

Patent

active

052372545

ABSTRACT:
The control device is intended to supply a stepping motor with driving pulses during which the mean value of the voltage applied to the coil of this motor is independent from the voltage of the power supply source of the device.
For that purpose, the control device comprises a driving circuit which connects or disconnects the coil of the motor to or from the power supply source when a control signal has a first state or a second state respectively, and a control circuit which produces this control signal with its first state or its second state in dependency on the difference between a reference voltage and the voltage across the coil.

REFERENCES:
patent: 3323034 (1967-05-01), Dubin et al.
patent: 3364413 (1968-01-01), Abraham
patent: 4439717 (1984-03-01), Berney
patent: 4516064 (1985-05-01), Oudet et al.
patent: 4567425 (1986-01-01), Bloomer
"Digital Fundamentals" Thomas L. Floyd, pp. 250-251, Charles E. Merrill Publishing Company 1982.

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