D.C. Servo motor speed regulator

Details D.C. Servo motor speed regulator D.C. Servo motor speed regulator

1983-08-15

1984-09-18

Weldon, Ulysses

Electricity: motive power systems

Braking

Automatic and/or with time-delay means

318314, 318315, 318319, G05B 500

Patent

active

044726678

ABSTRACT:
A speed control circuit for a motor having a drive shaft which carries an optical encoder which generates pulses whose frequency is representative of the speed of the motor. The circuit includes a clock and a counter which generate a count between pulses, and a digital-to-analog converter (DAC) designed to receive each such count and to generate therefrom a corrective signal for maintaining the proper speed of the motor.

REFERENCES:
patent: 3176208 (1965-03-01), Gifft
patent: 3206665 (1965-09-01), Burlingham
patent: 3522503 (1970-08-01), Feulner
patent: 3559018 (1971-01-01), Fournier
patent: 3764876 (1973-10-01), Arthur
patent: 3858100 (1974-12-01), Bussi et al.
patent: 3953776 (1976-04-01), Wolf
patent: 4401923 (1983-08-01), O'Gwynn

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