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Patent Searching and Data


Title:
INDICATION DIAGNOSIS DEVICE AND METHOD
Document Type and Number:
WIPO Patent Application WO/2019/207882
Kind Code:
A1
Abstract:
Provided are an indication diagnosis device and a method that enable highly accurate abnormality prediction detection. This indication diagnosis device uses measurement data during equipment operation to detect an equipment abnormality from a difference between data during normal equipment operation in the past and measurement data at a time of diagnosis. The indication diagnosis device is characterized by comprising: an input means for inputting measurement data during equipment operation, and the surrounding environment and the equipment status during equipment operation; a storage means for storing data during normal equipment operation; and a processing means for selecting, from the storage means, normal operation data of a time when the surrounding environment and the equipment status are similar to the surrounding environment and the equipment status during equipment operation when measurement data was measured at a time of diagnosis, and for detecting an abnormality using the measurement data at the time of diagnosis and the normal operation data selected from the storage means.

Inventors:
ZHANG Zixian (6-6, Marunouchi 1-chome, Chiyoda-k, Tokyo 80, 〒1008280, JP)
MUTO Kazuo (6-6, Marunouchi 1-chome, Chiyoda-k, Tokyo 80, 〒1008280, JP)
OKUDE Mariko (6-6, Marunouchi 1-chome, Chiyoda-k, Tokyo 80, 〒1008280, JP)
NISHIDA Takehisa (6-6, Marunouchi 1-chome, Chiyoda-k, Tokyo 80, 〒1008280, JP)
ISHIKAWA Masayoshi (6-6, Marunouchi 1-chome, Chiyoda-k, Tokyo 80, 〒1008280, JP)
Application Number:
JP2019/003156
Publication Date:
October 31, 2019
Filing Date:
January 30, 2019
Export Citation:
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Assignee:
HITACHI, LTD. (6-6 Marunouchi 1-chome, Chiyoda-ku Tokyo, 80, 〒1008280, JP)
International Classes:
B60R16/02; G01M17/007; G08G1/00
Foreign References:
JP2004272375A2004-09-30
JP2015102883A2015-06-04
JP2006027545A2006-02-02
Attorney, Agent or Firm:
POLAIRE I.P.C. (13-11, Nihonbashikayabacho 2-chome Chuo-k, Tokyo 25, 〒1030025, JP)
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