ESTIMATING DEVICE AND ESTIMATING SYSTEM

WIPO Patent Application WO/2024/057452

A1

An estimating device 1 includes: a failure history accumulating unit 16 for storing a first abnormality signal which is transmitted from on-site equipment and which is capable of identifying an abnormality type; an action result registering unit 15 which, if the first abnormality signal has been received as a result of the occurrence of an abnormality in the on-site equipment, causes the failure history accumulating unit 16 to store the received first abnormality signal, and if an action result relating to the first abnormality signal indicates the possibility of a software malfunction of software corresponding to the on-site equipment, causes a software malfunction flag to be attached to the first abnormality signal stored in the failure history accumulating unit 16; and a malfunction calculating unit 17 which, if a second abnormality signal is newly received as a result of the occurrence of a failure of the on-site equipment, and if the abnormality type of the second abnormality signal and the abnormality type of the first abnormality signal to which the software malfunction flag has been attached match one another, determines that there is possibility that a software malfunction may be the cause of the second abnormality signal.

HIKICHI MASAKI (JP)
HAMADA KYOHEI (JP)
FUSHIMI WATARU (JP)
KAWASAKI JIN (JP)
IZAWA TETSUMI (JP)

PCT/JP2022/034445

March 21, 2024

September 14, 2022

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MITSUBISHI ELECTRIC BUILDING SOLUTIONS CORP (JP)
MITSUBISHI ELECTRIC CORP (JP)

G06F11/07

JP2005228004A	2005-08-25
JP2011175513A	2011-09-08
JP2022039508A	2022-03-10
JP2021134027A	2021-09-13

SOGA, Michiharu et al. (JP)

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