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Development of real-time damage estimation system of lifeline facilities using neural networks

Research Project

Project/Area Number 03555103
Research Category

Grant-in-Aid for Developmental Scientific Research (B)

Allocation TypeSingle-year Grants
Research Field 土木構造
Research InstitutionTottori University

Principal Investigator

NODA Shigeru  Tottori University, Faculty of Engineering, Associate Professor, 工学部, 助教授 (80135532)

Co-Investigator(Kenkyū-buntansha) ISOYAMA Ryoji  Japan Engineering Cousultants CO., Ltd., Civil Engineering Dept., Deputy Manager, 土木本部, 次長
ANDO Tomoaki  Fuji Research Institute Corporation, Supercomputing Technology Div. 3, Senior En, 解析技術第3部, 部長代理
NAGATA Shigeru  University of tokyo, Institute of Industrial Science, Assistant Professor, 生産技術研究所, 講師 (50217999)
KAWAKAMI Hideji  Saitama University, Faculty of Engineering Associate Professor, 工学部, 助教授 (50125887)
山崎 文雄  東京大学, 生産技術研究所, 助教授 (50220322)
Project Period (FY) 1991 – 1992
Project Status Completed (Fiscal Year 1992)
Budget Amount *help
¥7,400,000 (Direct Cost: ¥7,400,000)
Fiscal Year 1992: ¥2,900,000 (Direct Cost: ¥2,900,000)
Fiscal Year 1991: ¥4,500,000 (Direct Cost: ¥4,500,000)
KeywordsNeural network / Lifeline system / Damage estimation / Real-time processing / Restoration process / Fuzzy reasoning / Strong-motion monitoring system / Site investigation / ニュ-ラルネットワ-ク / 都市基盤施設 / 復旧予測 / 早期検知システム / 情報処理 / システム信頼性 / 要因分析
Research Abstract

The main results of this may be summarized as follows :
1. Site investigations were conducted for the recent two natural disasters, the typhoon 9119 on September 27-28, 1991 and the Kushiro-oki earthquake on January , 1993. Effects of power Outage to lifeline systems and urban life were investigated for the typhoon 9119. Soil effect to structural damage was confirmed for the Kushiro-oki earthquake.
In order to evaluate the reliability and serviceability of the lifeline system, 1) the space-time variation of earthquake ground motion was simulated ; 2) the relationship between the degree of physical damage to the lifeline system and the functional service ratio was theoretically investigated; and 3) an outline of the computer program ILAS (Integrated Lifeline Analysis System) was developed.
3. A real-time strong-motion data processing system was developed to detect and locate earthquake occurring in and around the Kanto area. It has been demonstrated with real arrival time data for a four-s … More tation seismic array that hypocenter location and origin time calculated by the automatic system are quite reliable.
4. Using earthquake monitoring data and soil zoning data, fuzzy reasoning enables us to perform damage estimation of gas networks. Decision analysis also employs fuzzy set theory. Proposed membership functions were examined by comparing actual damage data and the results of fuzzy reasoning . A sample calculation was also conducted as a total system.
5. A use of neural networks was proposed for earthquake damage estimation of lifeline systems. The proposed network estimates the structural damage using seismic intensities as inputs. The network trained by supervised learning well estimated the observed damage extent in a recall test.
6. An effective procedure was presented for optimization of post-earthquake restoration process of telephone service using neural networks. Results show that the repair sequencing of damaged equipment and the restoration route can be effectively determined and that the neural system may be a very useful tool for determining restoration process. Less

Report

(3 results)
  • 1992 Annual Research Report   Final Research Report Summary
  • 1991 Annual Research Report
  • Research Products

    (24 results)

All Other

All Publications (24 results)

  • [Publications] NODA Shigeru: "Optimum restoration process of a hierachically separated city gas system during a post-earthquake period" Journal of Natural Disaster Science. 11. (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] 野田 茂: "強震観測データからのオンライン自動震源推定システムの開発" 構造工学論文集. 39A. 629-642 (1993)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] 野田 茂: "電話網の最適震後復旧予測のためのニューラルネットワーク" 構造工学論文集. 39A. 643-656 (1993)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] 川上 英二: "単純なネットワーク上に分布する需給点ペア間の連結確率の理論解" 土木学会論文集. 83-92 (1993)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] NAGATA Shigeru: "Seismic damage assessment methodology with enhanced use of regional characteristics" Proc,from the 4th Japan-U.S. Workshop on Earthquake Resistant Design of Lifeline Facilities for Soil Liquefaction. 2. 765-779 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] KATAYAMA Tsuneo: "Fuzzy reasoning for earthquake damage assessment of large-scale city gas system" Proc.of the 3rd U.S.National Conference on Lifeline Earthquake Engineering. 639-650 (1991)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] Noda Shigeru: "Optimum restoration process of a hierachically separated city gas system during a post-earthquake period" Journal of Natural Disaster Science. 11. (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] Noda Shigeru: "Development of online automatic event detection and location system of strong-motion monitoring network" Journal of Structural Engineering. 39A. 629-642 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] Noda Shigeru: "Sensitivity analysis of functional loss in a telecommunication system as a result of an earthquake" Journal of Structural Engineering. 39A. 643-656 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] Kawakami Hideji: "Connectivity of pairs of supply and demand points distributed over a simple network" Proc of the Japan Society of Civil Engineers. 83-92 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] Nagata Shigeru: "Seismic damage assessment methodology with enhanced use of regional characteristics" Proc from the 4th Japan-u.S Workshop on Earthquake Resistant Design of Lifelene Facilities for Soil Lequefaction. 2. 765-779 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] Katayama Tsuneo: "Fuzzy reasoning for earthquake damage assessment of large-scale city gas systems" Proc of the 3rd U.S National Conference on Lifeline Earthquake Engineering. 639-650 (1991)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] Noda Shigeru: "Optimum restoration process of a hierachically separated city gas system during a post-earthquake period" Journal of natural Disaster Science. 11. (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] 野田 茂: "強震観測データからのオンライン自動震源推定システムの開発" 構造工学論文集. 39A. 629-642 (1993)

    • Related Report
      1992 Annual Research Report
  • [Publications] 野田 茂: "電話網の最適震後復旧予測のためのニューラルネットワーク" 構造工学論文集. 39A. 643-656 (1993)

    • Related Report
      1992 Annual Research Report
  • [Publications] 川上 英二: "単純なネットワーク上に分布する需給点ペア間の連結確率の理論解" 土木学会論文集. 83-92 (1993)

    • Related Report
      1992 Annual Research Report
  • [Publications] Magata Shigeru: "Seismic damage assessment methodology with enhanced use of regional characteristics" Proc.from the 4th Japan-U.S.Workshop on Earthguake Desistant Design of Lifeline Facilities for Soil Liquefaction. 2. 765-779 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] 磯山 龍二: "ライフラインシステムの地震時における信頼度評価と防災対策" 平成4年度土木学会中部支部技術構座「構造物設計における最近の話題」-景観設計とライフライン構造物の設計および管理-. 37-49 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] 野田 茂: "災害時における都市情報システムの保全研究" セキュリティ. 15. 12-17 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] 野田 茂: "道路網との相互連関性を考慮した電気通信システムの震後復旧過程" 構造物の安全性および信頼性. 2. 73-80 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] 野田 茂: "中低圧ガス管路網の震後復旧作業における人員・資材の配分について" 構造物の安全性および信頼性. 2. 81-88 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] 野田 茂: "ニュ-ラルネットワ-クを用いた地震時被害推定システムに関する基礎的考察" 構造物の安全性および信頼性. 2. 559-562 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] 野田 茂: "逐次型同定手法を用いた地震波初動の自動検出" 第2回システム最適化に関するシンポジウム講演論文集. 85-97 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] 野田 茂: "ニュ-ラルネットワ-クを用いた被災電話網の最適復旧過程の評価" 第2回システム最適化に関するシンポジウム講演論文集. 275-292 (1991)

    • Related Report
      1991 Annual Research Report

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Published: 1991-04-01   Modified: 2016-04-21  

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