Bi-axial synchronous driving apparatus

Details Bi-axial synchronous driving apparatus Bi-axial synchronous driving apparatus

1990-12-27

1992-02-04

Ip, Paul

Electricity: motive power systems

Positional servo systems

Program- or pattern-controlled systems

3185681, 318625, 318609, 364513, 901 20, G05B 1100

Patent

active

050862634

ABSTRACT:
A bi-axial synchronous driving apparatus which includes: a set of motors for respectively driving two axes; rotation detecting devices for detecting rotational positions of the respective motors; a set of deviation counters to which a common position instruction signal and detection signals of the respective rotation detecting devices are applied; a correcting unit to which deviation signals outputted from the respective deviation counters are applied, so as to form correction signals with respect to the respective deviation signals based on an integration of a difference between each one of the deviation signals and the other corresponding deviation signal; a set of adding devices for adding the deviation signals outputted from the respective deviation counters to the correction signals; and a set of driving devices for driving the respective motors based on control signals outputted from said respective adding devices.

REFERENCES:
patent: 4714400 (1987-12-01), Barnett et al.
patent: 4999557 (1991-03-01), Inoue

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