Title:
SERVOMOTOR CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/067682
Kind Code:
A1
Abstract:
Provided is a servomotor control device that can correct the torque ripple of a servomotor with higher accuracy. The servomotor control device for controlling the servomotor is provided with: a learning control unit that, on the basis of a first command for learning control acquired from a host control device, performs learning control by an operation of the servomotor at a constant speed or an operation at a constant acceleration, and calculates correction data that correspond to the position of the servomotor or a driven body driven by the servomotor; and, a correction unit for acquiring a second command for driving the servomotor from the host control device, and applying the correction data to a command based on the second command.
Inventors:
OKAMOTO TAKASHI (JP)
Application Number:
PCT/JP2021/038564
Publication Date:
April 27, 2023
Filing Date:
October 19, 2021
Export Citation:
Assignee:
FANUC CORP (JP)
International Classes:
H02P23/04; G05D13/62
Domestic Patent References:
| WO2016121373A1 | 2016-08-04 |
Foreign References:
| JPH06343284A | 1994-12-13 | |||
| JP2004227163A | 2004-08-12 | |||
| JP2008092659A | 2008-04-17 | |||
| JP2016055308A | 2016-04-21 |
Attorney, Agent or Firm:
SHOBAYASHI Masayuki et al. (JP)
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