System and method of minimizing velocity fluctuations in a...

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

G - Physics

05

B

318/20

G05B 19/40 (2006.01) H02P 8/32 (2006.01)

Patent

CA 1133048

-15- SYSTEM AND METHOD OF MINIMIZING VELOCITY FLUCTUATIONS IN A SYNCHRONOUS MOTOR SHAFT ABSTRACT OF THE DISCLOSURE 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.

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