Title:
BRAKE DETERIORATION ASSESSMENT DEVICE AND BRAKE DETERIORATION ASSESSMENT SYSTEM
Document Type and Number:
WIPO Patent Application WO/2019/207647
Kind Code:
A1
Abstract:
This brake deterioration assessment device (1) has: a control unit (2) that performs control to gradually increase the value of the current supplied to a motor (21) in a state in which a brake (22) that restricts the rotation of the motor (21) is closed; a torque estimation unit (4) that estimates a brake torque value on the basis of the value of the current supplied to the motor (21); and a brake deterioration assessment unit (7) that compares the brake torque value estimated by the torque estimation unit (4) with a reference value and assesses deterioration of the brake (22).
Inventors:
WATANABE SHINICHIRO (JP)
Application Number:
PCT/JP2018/016624
Publication Date:
October 31, 2019
Filing Date:
April 24, 2018
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
B66D5/00; F16D66/00
Foreign References:
| JP2012144345A | 2012-08-02 | |||
| JP2014502241A | 2014-01-30 | |||
| JP2014214797A | 2014-11-17 | |||
| JP2006160439A | 2006-06-22 | |||
| JPH0524829Y2 | 1993-06-23 | |||
| JP2003054878A | 2003-02-26 |
Attorney, Agent or Firm:
TAKAMURA, Jun (JP)
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