Title:
異常検出機能を備えたブレーキ駆動制御装置
Document Type and Number:
Japanese Patent JP5860093
Kind Code:
B2
Abstract:
A brake drive control circuit of a servo motor which detects malfunction of a semiconductor circuit at the brake drive control circuit, that is, a brake drive control circuit which connects two semiconductor circuits in series to a brake and uses a voltage detection circuit which detects the presence of voltage which is applied to the brake by brake signals turning the semiconductor circuits on/off so as to detect test pulses in the voltage which is applied to the brake due to test pulses which are included in the brake signals and turn the semiconductor circuits off for instants during an operation for disengaging the brake and detect malfunctions of the semiconductor circuits by the detection of the test pulses.
Inventors:
Yoshikiyo Tanabe
Yoshiki Hashimoto
Yoshiki Hashimoto
Application Number:
JP2014093677A
Publication Date:
February 16, 2016
Filing Date:
April 30, 2014
Export Citation:
Assignee:
FANUC Corporation
International Classes:
H02P3/04; B25J19/00; B25J19/06
Domestic Patent References:
| JP2014050912A | ||||
| JP2014010546A | ||||
| JP2006123118A | ||||
| JP2009196031A |
Attorney, Agent or Firm:
Atsushi Aoki
Jun Tsuruta
Tomohiro Minamiyama
Akira Kawai
Kenichi Nakamura
Jun Tsuruta
Tomohiro Minamiyama
Akira Kawai
Kenichi Nakamura