Device and method for apportioning a movement of a machine...

Details Device and method for apportioning a movement of a machine... Device and method for apportioning a movement of a machine...

2006-01-03

2006-01-03

Ip, Paul (Department: 2837)

Electricity: motive power systems

Positional servo systems

With compensating features

C318S609000, C318S610000, C318S630000, C318S575000

Reexamination Certificate

active

06982536

ABSTRACT:
A device and method for apportioning a movement of a machine element driven by at least two drives for movement along a drive axis of a machine tool or production machine are described. A low-pass filter filters predetermined desired drive axis values to generate filtered desired drive axis values, with a first controller receiving the filtered desired drive axis values as control input value for controlling a first of the at least two drives. A delay unit with a constant group delay time temporally delays the desired drive axis values and generates delayed desired drive axis values, whereafter a subtracter determines a difference between the filtered desired drive axis values and the delayed desired drive axis values. A second controller receives the determined difference and provides, based on the determined difference, a second control input value for controlling a second of the at least two drives. With these features according to the invention, a movement of a machine element along a drive axis of a machine tool or production machine can be optimally apportioned between two or more drives.

REFERENCES:
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patent: 5473539 (1995-12-01), Shimizu et al.
patent: 5528119 (1996-06-01), Rundqwist et al.
patent: 2002/0063016 (2002-05-01), Kada
patent: 2003/0039054 (2003-02-01), Pasolini et al.
patent: 2004/0183494 (2004-09-01), Nagaoka et al.
patent: 2005/0029982 (2005-02-01), Stancu et al.

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