Title:
PERFORMANCE DIAGNOSTIC DEVICE AND PERFORMANCE DIAGNOSTIC METHOD
Document Type and Number:
WIPO Patent Application WO/2022/215705
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a performance diagnostic device capable of diagnosing deterioration in performance of a work machine while taking into account the effects of the amount of load and the characteristics of the site where the work machine operates. A performance diagnostic device according to the present invention uses a reference performance model generated for each combination of the type of operation performed by a work machine, the amount of load, operation details, and site characteristics to diagnose the deterioration in performance of the work machine (see fig. 1).
Inventors:
LE TIEN TRIEN (JP)
KUNIOKA SHOGO (JP)
TSUKUI HIROSHI (JP)
ITO HIROKI (JP)
KUNIOKA SHOGO (JP)
TSUKUI HIROSHI (JP)
ITO HIROKI (JP)
Application Number:
PCT/JP2022/017164
Publication Date:
October 13, 2022
Filing Date:
April 06, 2022
Export Citation:
Assignee:
HITACHI CONSTRUCTION MACH CO (JP)
International Classes:
E02F9/26; G01M99/00; G05B23/02
Domestic Patent References:
| WO2005106139A1 | 2005-11-10 |
Foreign References:
| JP2004232343A | 2004-08-19 | |||
| JP2010180674A | 2010-08-19 | |||
| JP2010066188A | 2010-03-25 | |||
| JP2000297443A | 2000-10-24 | |||
| JPH08333777A | 1996-12-17 | |||
| JP2016003462A | 2016-01-12 | |||
| JP2015088079A | 2015-05-07 | |||
| JP2013041448A | 2013-02-28 | |||
| JP4414470B1 | 2010-02-10 | |||
| JP5018444B2 | 2012-09-05 |
Attorney, Agent or Firm:
HIRAKI & ASSOCIATES (JP)
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