System and method of minimizing velocity fluctuations in a synch

Details System and method of minimizing velocity fluctuations in a synch System and method of minimizing velocity fluctuations in a synch

1979-03-29

1980-08-26

Truhe, J. V.

Electricity: motive power systems

Open-loop stepping motor control systems

318702, 318307, 318611, G05B 1940

Patent

active

042197678

ABSTRACT:
A system for controlling the amplitude of a drive signal applied to a stepping motor in a manner minimizing the effects of resonance on the resultant angular velocity of the motor shaft. Means are provided for comparing a desired motor drive frequency against one or more known resonant frequencies and, responsive to such comparison, for producing a motor drive signal at an amplitude predetermined to minimize oscillatory fluctuations in the motor shaft velocity.

REFERENCES:
patent: 3970942 (1976-07-01), Mayer
patent: 4115726 (1978-09-01), Patterson et al.
patent: 4119901 (1978-10-01), Leenhouts
patent: 4143311 (1979-03-01), Lee

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