Synchronous drive control system for dc motor

Details Synchronous drive control system for dc motor Synchronous drive control system for dc motor

1974-06-05

1976-02-03

Rubinson, Gene Z.

Electricity: motive power systems

Braking

Automatic and/or with time-delay means

318341, H02P 500

Patent

active

039367100

ABSTRACT:
A system is provided to synchronously operate a DC motor in response to the frequency of a reference signal. The system includes a first feedback loop having a reference signal generator, a speed signal generator in relation to speed of the motor, and a flip-flop circuit for producing a rectangular wave pulse for supplying to the DC motor current corresponding to a phase difference between two signals from these generators. The system further includes a second feedback loop for speed control having a forced synchronization circuit which processes the output of the speed signal generator and brings the motor speed into a synchronization condition in order to prevent the motor from erroneously synchronizing.

REFERENCES:
patent: 3110853 (1963-11-01), Jones
patent: 3154730 (1964-10-01), Houldin et al.
patent: 3207970 (1965-09-01), Branco
patent: 3478178 (1969-11-01), Grace
patent: 3553555 (1971-01-01), Morris et al.
patent: 3582550 (1971-06-01), Latanzi

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