Double spindle synchronous driving apparatus

Details Double spindle synchronous driving apparatus Double spindle synchronous driving apparatus

1992-06-26

1993-07-27

Wysocki, Jonathan

Electricity: motive power systems

Plural, diverse or diversely controlled electric motors

Synchronizing or phasing control

318625, 901 20, H02P 500

Patent

active

052313352

ABSTRACT:
A double spindle synchronous driving apparatus for synchronously driving first and second spindles, including: first and second motors for driving the first and second spindles, respectively; first and second rotational detection members for detecting rotational positions of the first and second motors so as to output first and second detection signals, respectively; first and second deviation counters which outputs first and second deviation signals in response to a position command signal and the first detection signal and in response to the position command signal and the second detection signal, respectively; a correction member which formulates first and second correction signals for the first and second deviation signals, respectively in accordance with a difference between the first and second deviation signals by fuzzy inference; first and second arithmetic members for performing arithmetic operation of the first deviation signal and the first correction signal and of the second deviation signal and the second correction signal so as to output first and second control signals, respectively; and first and second drive members for driving the first and second motors on the basis of the first and second control signals, respectively.

REFERENCES:
patent: 4899286 (1990-02-01), Colli et al.
patent: 4988937 (1991-01-01), Yoneda et al.
patent: 5060161 (1991-10-01), Sainen
patent: 5083066 (1992-01-01), Kohari et al.
patent: 5086263 (1992-02-01), Kubota et al.
patent: 5134568 (1992-07-01), Sainen

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