Title:
BRAKE INSPECTION EQUIPMENT AND MOTOR CONTROL DEVICE
Document Type and Number:
Japanese Patent JP2019022281
Kind Code:
A
Abstract:
To detect a brake state at high precisely even when a load torque of a motor is fluctuated.SOLUTION: A brake inspection equipment 11 comprises: load torque measurement parts 14 and 15 that measure each of a load torque when a motor 4 is normally and inversely rotated in a cancellation state where the operation of a brake 3 holding a rotor to a stator of the motor 4 is cancelled, and a load torque when the motor 4 is rotated and driven to any one of normal or inverse directions in a lock state where the brake 3 is operated; and a determination part 16 that determines the state of the brake 3 on the basis of the load torque measured by the load torque measurement parts 14 and 15.SELECTED DRAWING: Figure 1
Inventors:
ONO KATSUYA
UEMATSU HIDETOSHI
TAMAKI TAKESHI
UEMATSU HIDETOSHI
TAMAKI TAKESHI
Application Number:
JP2017137152A
Publication Date:
February 07, 2019
Filing Date:
July 13, 2017
Export Citation:
Assignee:
FANUC LTD
International Classes:
H02P3/04; H02P29/024
Domestic Patent References:
| JP3081258B2 | 2000-08-28 | |||
| JP2005254410A | 2005-09-22 | |||
| JP2014227233A | 2014-12-08 | |||
| JP2016101643A | 2016-06-02 | |||
| JP2017074837A | 2017-04-20 | |||
| JP2017034856A | 2017-02-09 | |||
| JP2000324885A | 2000-11-24 |
Attorney, Agent or Firm:
Kunio Ueda
Junichiro Yanagi
Mayumi Oguri
Kunihiko Takeuchi
Junichiro Yanagi
Mayumi Oguri
Kunihiko Takeuchi