Stepper motor load tuning

Details Stepper motor load tuning Stepper motor load tuning

1980-09-29

1982-03-09

Sewell, Paul T.

Typewriting machines

Carriage or carriage-moving or movement-regulating mechanism

Carriage-feed mechanism

400 53, 400328, 400903, 318696, 318129, B41J 1930, G05B 1940

Patent

active

043186254

ABSTRACT:
A method is provided for adjusting to an original predetermined value the natural frequency of the carrier load of a processor controlled stepper motor driving said carrier through a belt and pulley arrangement. The adjustment is performed by having the microprocessor move said carrier back and forth repetitively, at a rate based on the original natural frequency value and by adjusting the belt tension for obtaining maximum amplitude vibrations of the carrier load.

REFERENCES:
patent: 2989166 (1961-06-01), Walker et al.
patent: 3133620 (1964-05-01), Okcuoglu et al.
patent: 3224545 (1965-12-01), Hanft
patent: 3642109 (1972-02-01), Cappotto et al.
patent: 3947742 (1976-03-01), Van Acker
patent: 3951249 (1976-04-01), Nerbas et al.
patent: 4024447 (1977-05-01), Epstein
patent: 4100471 (1978-07-01), Pritchard
patent: 4203680 (1980-05-01), Mitrovich
patent: 4208141 (1980-06-01), Jagger
patent: 4276498 (1981-06-01), Stager et al.

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