Digital speed control method and apparatus

Details Digital speed control method and apparatus Digital speed control method and apparatus

1979-06-29

1982-06-08

Weldon, Ulysses

Electricity: motive power systems

Plural, diverse or diversely controlled electric motors

Running-speed control

318 67, 318 68, 318 69, 318 72, H02P 546

Patent

active

043341756

ABSTRACT:
In a speed control method for digitally controlling the speeds of motors in a sectional drive system including the steps of setting a speed difference of each section with respect to a line speed reference, the speed difference set value is varied by pressing a push button switch and varying the speed difference set value by a unit value every unit operation time when the button switch is pressed.

REFERENCES:
patent: 3447050 (1969-05-01), Geis
patent: 3585470 (1971-06-01), Conners
patent: 3728596 (1973-04-01), Hermansson et al.
patent: 4051415 (1977-09-01), Martin
patent: 4196785 (1980-04-01), Downing

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