Fully-closed-loop servomotor control system

Details Fully-closed-loop servomotor control system Fully-closed-loop servomotor control system

1995-12-20

1997-11-25

Sircus, Brian

Electricity: motive power systems

Positional servo systems

With stabilizing features

31856822, G05B 1101

Patent

active

056916167

ABSTRACT:
A first integrated position deviation between a move command and an actual position of a servomotor and a second integrated position deviation between the move command and an actual position of a machine moving part are obtained, the difference between the first and second integrated position deviations is smoothed, and a modified move command is created by adding the smoothed difference to the first integrated position deviation and is delivered to a speed loop. When the reversal of rotation of the servomotor is detected, a backlash correction value is added to the first integrated position deviation to update it.

REFERENCES:
patent: 4788482 (1988-11-01), Tachibana et al.
patent: 5049797 (1991-09-01), Phillips
patent: 5418441 (1995-05-01), Furukawa
patent: 5598077 (1997-01-01), Matsubara et al.

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