A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
DETERIORATION DIAGNOSIS DEVICE, DETERIORATION DIAGNOSIS METHOD, AND DETERIORATION DIAGNOSIS SYSTEM
PROBLEM TO BE SOLVED: To diagnose deterioration of a structure within a wide range of degree of deterioration.SOLUTION: A deterioration diagnosis device includes: an input part for measuring a vibration waveform of a structure by a plurality of slave units, and inputting a waveform analysis result obtained by performing predetermined waveform analysis processing to the vibration waveform measured by the plurality of slave units; a storage part for storing a reference value of a natural frequency of the structure and a reference value of a vibration gain of the structure; a change rate calculation part for calculating a change rate of the natural frequency of the structure based on the waveform analysis result to the reference value of the natural frequency, and for calculating a change rate of the vibration gain of the structure based on the waveform analysis result to the reference value of the vibration gain; and a determination part for determining a degree of deterioration of the structure based on the change rate of the natural frequency calculated by the change rate calculation part and the change rate of the vibration gain.SELECTED DRAWING: Figure 5
【課題】構造物の劣化を劣化の程度の広い範囲で診断する。【解決手段】本発明の劣化診断装置は、複数の子器によって構造物の振動波形を計測し、かつ、前記複数の子器によってその計測した振動波形に対して所定の波形解析処理を行った波形解析結果を入力する入力部と、前記構造物の固有振動数の基準値と前記構造物の振動増幅率の基準値とを記憶する記憶部と、前記波形解析結果に基づく前記構造物の固有振動数の前記固有振動数の基準値に対する変化率を算出するとともに、前記波形解析結果に基づく前記構造物の振動増幅率の前記振動増幅率の基準値に対する変化率とを算出する変化率算出部と、前記変化率算出部が算出した前記固有振動数の変化率と前記振動増幅率の変化率とに基づき前記構造物の劣化の度合いを判定する判定部とを備える。【選択図】図５
DETERIORATION DIAGNOSIS DEVICE, DETERIORATION DIAGNOSIS METHOD, AND DETERIORATION DIAGNOSIS SYSTEM
PROBLEM TO BE SOLVED: To diagnose deterioration of a structure within a wide range of degree of deterioration.SOLUTION: A deterioration diagnosis device includes: an input part for measuring a vibration waveform of a structure by a plurality of slave units, and inputting a waveform analysis result obtained by performing predetermined waveform analysis processing to the vibration waveform measured by the plurality of slave units; a storage part for storing a reference value of a natural frequency of the structure and a reference value of a vibration gain of the structure; a change rate calculation part for calculating a change rate of the natural frequency of the structure based on the waveform analysis result to the reference value of the natural frequency, and for calculating a change rate of the vibration gain of the structure based on the waveform analysis result to the reference value of the vibration gain; and a determination part for determining a degree of deterioration of the structure based on the change rate of the natural frequency calculated by the change rate calculation part and the change rate of the vibration gain.SELECTED DRAWING: Figure 5
【課題】構造物の劣化を劣化の程度の広い範囲で診断する。【解決手段】本発明の劣化診断装置は、複数の子器によって構造物の振動波形を計測し、かつ、前記複数の子器によってその計測した振動波形に対して所定の波形解析処理を行った波形解析結果を入力する入力部と、前記構造物の固有振動数の基準値と前記構造物の振動増幅率の基準値とを記憶する記憶部と、前記波形解析結果に基づく前記構造物の固有振動数の前記固有振動数の基準値に対する変化率を算出するとともに、前記波形解析結果に基づく前記構造物の振動増幅率の前記振動増幅率の基準値に対する変化率とを算出する変化率算出部と、前記変化率算出部が算出した前記固有振動数の変化率と前記振動増幅率の変化率とに基づき前記構造物の劣化の度合いを判定する判定部とを備える。【選択図】図５
DETERIORATION DIAGNOSIS DEVICE, DETERIORATION DIAGNOSIS METHOD, AND DETERIORATION DIAGNOSIS SYSTEM
劣化診断装置、劣化診断方法および劣化診断システム
TERAMURA AKIRA (author) / KIMA KEIJIRO (author) / AOYAMA YUTAKA (author) / NISHIDA TOMOHIDE (author)
2018-05-24
Patent
Electronic Resource
Japanese
IPC:
G01M
TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES
,
Prüfen der statischen oder dynamischen Massenverteilung rotierender Teile von Maschinen oder Konstruktionen
/
E04G
SCAFFOLDING
,
Baugerüste
/
G06Q
Datenverarbeitungssysteme oder -verfahren, besonders angepasst an verwaltungstechnische, geschäftliche, finanzielle oder betriebswirtschaftliche Zwecke, sowie an geschäftsbezogene Überwachungs- oder Voraussagezwecke
,
DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES
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