JPWO2021152787A5 - - Google Patents
Download PDFInfo
- Publication number
- JPWO2021152787A5 JPWO2021152787A5 JP2021574377A JP2021574377A JPWO2021152787A5 JP WO2021152787 A5 JPWO2021152787 A5 JP WO2021152787A5 JP 2021574377 A JP2021574377 A JP 2021574377A JP 2021574377 A JP2021574377 A JP 2021574377A JP WO2021152787 A5 JPWO2021152787 A5 JP WO2021152787A5
- Authority
- JP
- Japan
- Prior art keywords
- points
- change pattern
- vibration characteristics
- vibration
- deterioration detection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000006866 deterioration Effects 0.000 claims 19
- 238000001514 detection method Methods 0.000 claims 12
- 239000013307 optical fiber Substances 0.000 claims 4
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2020/003519 WO2021152787A1 (ja) | 2020-01-30 | 2020-01-30 | 構造物劣化検出システム、構造物劣化検出方法、及び構造物劣化検出装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2021152787A1 JPWO2021152787A1 (https=) | 2021-08-05 |
| JPWO2021152787A5 true JPWO2021152787A5 (https=) | 2022-09-06 |
| JP7405161B2 JP7405161B2 (ja) | 2023-12-26 |
Family
ID=77079692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2021574377A Active JP7405161B2 (ja) | 2020-01-30 | 2020-01-30 | 構造物劣化検出システム、構造物劣化検出方法、及び構造物劣化検出装置 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20230349750A1 (https=) |
| JP (1) | JP7405161B2 (https=) |
| WO (1) | WO2021152787A1 (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023021598A1 (ja) * | 2021-08-18 | 2023-02-23 | 日本電気株式会社 | 情報処理装置、情報処理方法、コンピュータ可読媒体、及び点検システム |
| JP7616402B2 (ja) * | 2021-09-01 | 2025-01-17 | 日本電気株式会社 | 検出システム、検出装置、及び検出方法 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57122352A (en) * | 1981-01-23 | 1982-07-30 | Fujitsu Ltd | System for detecting destruction of road |
| JP5459970B2 (ja) * | 2008-03-19 | 2014-04-02 | 公益財団法人鉄道総合技術研究所 | 構造物のモニタリングシステム |
| JP2016061573A (ja) * | 2014-09-16 | 2016-04-25 | 日本電気株式会社 | 構造物健全度推定装置、構造物健全度推定システム、構造物健全度推定方法、および、コンピュータ・プログラム |
| US10145983B2 (en) * | 2014-09-30 | 2018-12-04 | Alstom Transport Technologies | Vibration monitoring system and method |
| US10095828B2 (en) * | 2016-03-09 | 2018-10-09 | Conocophillips Company | Production logs from distributed acoustic sensors |
| CN106323442B (zh) * | 2016-08-18 | 2018-11-13 | 南京发艾博光电科技有限公司 | 一种基于分布式光纤振动传感系统的铁路健康监测方法 |
| GB2558294B (en) * | 2016-12-23 | 2020-08-19 | Aiq Dienstleistungen Ug Haftungsbeschraenkt | Calibrating a distributed fibre optic sensing system |
| JP2019015551A (ja) | 2017-07-05 | 2019-01-31 | 東日本旅客鉄道株式会社 | 橋脚の健全性評価方法 |
| US12154007B2 (en) * | 2018-01-26 | 2024-11-26 | Nec Corporation | Fiber sensing on roadside applications |
| JP7058164B2 (ja) * | 2018-03-30 | 2022-04-21 | 株式会社Nttドコモ | 通行路判定システム |
-
2020
- 2020-01-30 US US17/794,019 patent/US20230349750A1/en not_active Abandoned
- 2020-01-30 WO PCT/JP2020/003519 patent/WO2021152787A1/ja not_active Ceased
- 2020-01-30 JP JP2021574377A patent/JP7405161B2/ja active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10641681B2 (en) | Structure abnormality detection system, structure abnormality detection method, and storage medium | |
| JP2015528569A5 (https=) | ||
| JP5862679B2 (ja) | 音源検出装置 | |
| RU2011151543A (ru) | Способ и устройство для обнаружения утечки в системе подачи топлива | |
| DE60219523D1 (de) | Verfahren, vorrichtung und programm zur entwicklung von erkennungsalgorithmen | |
| CN116842348A (zh) | 基于人工智能的桥梁健康监测系统 | |
| ATE549694T1 (de) | Validierungsvorrichtung | |
| JPWO2021152787A5 (https=) | ||
| WO2015045319A1 (ja) | 情報処理装置、及び、分析方法 | |
| CN116429235B (zh) | 光纤传感数据的全局相位正交解调方法及装置 | |
| CN108107086B (zh) | 一种基于阵列气体传感器的气体检测方法及气体传感器 | |
| CN105303677A (zh) | 一种获取纸币安全线边界的方法及装置 | |
| WO2017064854A1 (ja) | 構造物異常検知装置、構造物異常検知方法、記録媒体及び構造物異常検知システム | |
| GB2588572A8 (en) | Transition Detection | |
| NZ575390A (en) | A method of determining the probability that data is associated with a source of a plurality of sources | |
| CN114492629B (zh) | 异常检测方法、装置、电子设备及存储介质 | |
| PH12021552203A1 (en) | Comparative methods for air quality measurement and use thereof | |
| JPWO2021152824A5 (https=) | ||
| Hassani et al. | Enhanced damage detection for noisy input signals using improved reptile search algorithm and data analytics techniques | |
| CN116357396B (zh) | 一种瓦斯曲线关联波动异常识别方法、装置及相关组件 | |
| CN109580049A (zh) | 遥控器按键的压力检测方法及装置 | |
| JPWO2021149192A5 (https=) | ||
| JPWO2020216953A5 (https=) | ||
| JPWO2021176683A5 (https=) | ||
| CN116642947B (zh) | 基于光纤传感器的桥梁振动缺陷检测方法、系统及终端 |