Title:
ROBOT SYSTEM
Document Type and Number:
Japanese Patent JP2017063565
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a robot system capable of avoiding generation of a free-run state of a motor while duplicating stopping means of a robot when the robot system is in an abnormal state.SOLUTION: The robot system includes a first control unit 51 and a second control unit 52. Each of the first control unit 51 and the second control unit 52 has a function of mutually monitoring a failure. The first control unit 51, upon detection of a failure in the second control unit 52, turns on a low-side switch SWL for three components to apply dynamic braking to a robot. The second control unit 52, upon detection of a failure in the first control unit 51, turns on the low-side switch SWL for three components to apply dynamic braking to the robot.SELECTED DRAWING: Figure 3
Inventors:
NISHINO HIDEYUKI
Application Number:
JP2015188078A
Publication Date:
March 30, 2017
Filing Date:
September 25, 2015
Export Citation:
Assignee:
DENSO WAVE INC
International Classes:
H02P3/22; B25J19/06; H02P27/06
Domestic Patent References:
| JP2011067017A | 2011-03-31 | |||
| JP2006268130A | 2006-10-05 | |||
| JP2012150618A | 2012-08-09 | |||
| JPH04331493A | 1992-11-19 | |||
| JP2009213313A | 2009-09-17 | |||
| JP2012055981A | 2012-03-22 |
Attorney, Agent or Firm:
Tsuyoshi Yamada
Hiroshi Matsuda
Hiroshi Matsuda