Linear driving circuit for a d.c. motor with current feedback

Details Linear driving circuit for a d.c. motor with current feedback Linear driving circuit for a d.c. motor with current feedback

1976-03-31

1978-01-03

Schaefer, Robert K.

Electricity: motive power systems

Positional servo systems

With particular motor control system responsive to the...

318678, 318599, G05F 108

Patent

active

040669459

ABSTRACT:
A linear driving circuit includes a full bridge drive circuit across which a d.c. motor is connected. Each side of the bridge circuit is controlled by an associated complementary transistor loop, each of which is in turn controlled by an associated control operational amplifier. Each control operational amplifier is referred at one-half the voltage across the bridge circuit by a common voltage divider. The currents through each half of the bridge circuit are compared to provide current feedback.

REFERENCES:
patent: 3471759 (1969-10-01), Broverman
patent: 3525029 (1970-08-01), Joslyn et al.
patent: 3652913 (1972-03-01), Leland

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