Electricity: motive power systems – Positional servo systems – Program- or pattern-controlled systems
Reexamination Certificate
2005-06-07
2005-06-07
Ip, Paul (Department: 2837)
Electricity: motive power systems
Positional servo systems
Program- or pattern-controlled systems
C318S568220, C318S568230, C318S632000, C700S188000, C700S245000, C369S044340, C369S047420
Reexamination Certificate
active
06903527
ABSTRACT:
A switch is turned on by a learning control start command from a master control unit, and the positional deviation at respective cycles is read in. Correction data read out from a learning memory is added to the positional deviation, and the result is filtered by band limiting filter and then stored in the learning memory as correction data. The correction data read out from the memory is compensated for phase delay, fall in gain, and the like, by a dynamics compensating element, and is added to the positional deviation and input to a positional control section. When the command pattern for the same shape is completed, and a learning control end command is output, whereupon the switch is turned off and learning control terminates.
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Maeda Kazuomi
Toyozawa Yukio
Fanuc LTD
Ip Paul
Staas & Halsey , LLP
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