Apparatus and method for coordinating the movements of stages in

Details Apparatus and method for coordinating the movements of stages in Apparatus and method for coordinating the movements of stages in

1997-07-03

1998-08-25

Elmore, Reba I.

Boots, shoes, and leggings

364176, 36416701, 31856817, 318590, G06F 1900

Patent

active

057989273

ABSTRACT:
A multi-rate positioner system (50) receives unpanelized positioning commands from a database subsystem (64), profiles the commands (72) into a half-sine positioning signal, and further processes the signal into a low-frequency positioning signal (LFP) and a high-frequency positioning signal (HFP) for actuating respective slow (56, 58) and fast (54) positioners to target locations on a workpiece (62). The slow and fast positioners move without necessarily stopping in response to a stream of positioning command data while coordinating their individually moving positions to produce temporarily stationary tool positions (140) over target locations defined by the database. The multi-rate positioning system reduces the fast positioner movement range requirement while providing significantly increased tool processing throughput.

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