Title:
Servo motor controller
Document Type and Number:
Japanese Patent JP6321591
Kind Code:
B2
Abstract:
A servomotor control apparatus according to the present invention is a control apparatus for controlling a machine having one or a plurality of movable portions each driven by a servomotor. In the servomotor control apparatus, while an electromagnetic brake is operated, an actual position obtained by a position detector is periodically monitored. The actual position is compared with the actual position at the time of actuating the electromagnetic brake. When the actual positions are different by a predetermined value or more, any of the issue of a motor torque to maintain the position, the actuation of a regenerative brake, or a control means for continuing a control to maintain the position without operating the electromagnetic brake, even if the servomotor stops for a certain period of time during playback operation, is performed.
Inventors:
Nakayama Kiyoshi
Application Number:
JP2015154161A
Publication Date:
May 09, 2018
Filing Date:
August 04, 2015
Export Citation:
Assignee:
FANUC Corporation
International Classes:
H02P29/024; H02P3/18
Domestic Patent References:
| JP2012213844A | ||||
| JP2000047732A | ||||
| JP11180687A |
Attorney, Agent or Firm:
Atsushi Aoki
Jun Tsuruta
Tomohiro Minamiyama
Kenichi Nakamura
Jun Tsuruta
Tomohiro Minamiyama
Kenichi Nakamura