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Title:
BRAKE DIAGNOSTIC DEVICE AND BRAKE DIAGNOSTIC SYSTEM
Document Type and Number:
WIPO Patent Application WO/2020/044569
Kind Code:
A1
Abstract:
[Problem] To improve the validity of a diagnostic result. [Solution] A brake diagnostic device 9 for diagnosing brake device 7 in a servomotor 5, said brake diagnostic device having: a wear amount acquisition unit 31 for acquiring a wear amount of a friction material 29 of the brake device 7; a first rotation amount acquisition unit 33 for acquiring a motor total rotation amount, which is a cumulative value for the amount of rotation of a motor 6; and a diagnostic unit 36 for diagnosing wear of the brake device 7 on the basis of the wear amount acquired by the wear amount acquisition unit 31 and the motor total rotation amount acquired by the first rotation amount acquisition unit 33.

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Inventors:
HONDA YUKI (JP)
AOKI KENICHI (JP)
Application Number:
PCT/JP2018/032490
Publication Date:
March 05, 2020
Filing Date:
August 31, 2018
Export Citation:
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Assignee:
YASKAWA ELECTRIC CORP (JP)
International Classes:
F16D66/00; B60T17/22; B66B5/00
Foreign References:
JP2003182945A2003-07-03
JP2010032054A2010-02-12
JP2006285548A2006-10-19
JP2555570B21996-11-20
JP2008128305A2008-06-05
JP2018100763A2018-06-28
JP2017071251A2017-04-13
JP2017007569A2017-01-12
JP2018010636A2018-01-18
JP2016117357A2016-06-30
Attorney, Agent or Firm:
MASUDA Hirofumi et al. (JP)
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