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1. (WO2017064855) STRUCTURAL ABNORMALITY DETECTING SYSTEM, STRUCTURAL ABNORMALITY DETECTING METHOD, AND RECORDING MEDIUM RECORDING SAME

Pub. No.:    WO/2017/064855    International Application No.:    PCT/JP2016/004525
Publication Date: Fri Apr 21 01:59:59 CEST 2017 International Filing Date: Sat Oct 08 01:59:59 CEST 2016
IPC: G01M 99/00
Applicants: NEC CORPORATION
日本電気株式会社
Inventors: MASE, Ryota
間瀬 亮太
OCHIAI, Katsuhiro
落合 勝博
Title: STRUCTURAL ABNORMALITY DETECTING SYSTEM, STRUCTURAL ABNORMALITY DETECTING METHOD, AND RECORDING MEDIUM RECORDING SAME
Abstract:
A structural abnormality detecting system for detecting an abnormality in at least one structure divided into a plurality of groups in which a plurality of factors capable of affecting behavior of a structure are equivalent, comprising: a means for storing a model that predicts, from a first inspection value obtained at a first inspection position, a second inspection value obtained at a second inspection position that is a position at which the vibration strength during vibration in a predetermined vibrational mode in the natural frequency of the structure is equivalent to that at the first inspection position; and a means for detecting an abnormality in the structure by evaluating the goodness of fit with respect to the model of the first inspection value and the second inspection value at a specified time.