Pulse width modulated servo circuit

Details Pulse width modulated servo circuit Pulse width modulated servo circuit

1980-03-06

1981-10-13

Truhe, J. V.

Electricity: motive power systems

Positional servo systems

Pulse-width modulated power input to motor

318596, 318672, G05B 1128

Patent

active

042950821

ABSTRACT:
A motor servo circuit is disclosed. The motor in the motor servo circuit is driven by an output which is obtained by logically adding output pulses of a pulse stretcher circuit which stretches a pulse width of error pulses generated from an OR circuit when pulses inputted to the motor servo circuit and pulses outputted from a pulse generator in response to the input pulses are different in the pulse width to pulses having a predetermined pulse width which are generated at intervals of a predetermined member of the error pulses synchronizing therewith.

REFERENCES:
patent: 4105938 (1978-08-01), Mathews, Jr.
patent: 4223258 (1980-09-01), Lacy

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