Servo motor drive control device

Details Servo motor drive control device Servo motor drive control device

2005-02-22

2005-02-22

Ip, Paul (Department: 2837)

Electricity: motive power systems

Positional servo systems

With compensating features

C318S609000, C318S610000, C318S625000, C700S029000, C700S069000

Reexamination Certificate

active

06859007

ABSTRACT:
Learning control is performed when carrying out processing by repeating instructions in a pattern cycle. Time/position converting means determines a positional deviation for a prescribed position with respect to a reference position, from the positional deviation determined by sampling, and the reference position output in synchronization with the drive of the servo motor. Corresponding correction data stored in the memory means is added to the positional deviation, and then the result is subjected to filtering processing to update the correction data corresponding to the position. Position/time converting means then determines correction data for the current sampling time, on the basis of the correction data corresponding to the position as stored in the memory means, and the detected reference position. This correction data is processed to compensate for dynamic properties, thereby deriving a correctional quantity, which is added to the positional deviation.

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