Proposal of accident information analysis technique for potential risk extraction

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  • KADOTA Yasushi
    株式会社リコー品質本部QAセンター安全・環境技術室
  • TANAKA Kenji
    電気通信大学大学院情報システム学研究科

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  • 潜在リスク抽出のための事故情報解析技法の提案
  • センザイ リスク チュウシュツ ノ タメ ノ ジコ ジョウホウ カイセキ ギホウ ノ テイアン

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Abstract

Recent years, "System for Report and Publication of Product Accident Information" is introduced, so it became easier to get the safety accident information of other companies (or other industries). But those information are utilized in the prevention have been extremely rare. In this paper, in order to utilize the published information to prevent safety accident, we have applied each accident mechanism to the network model, and have represented and organized the various characteristic values by using these models. As a result, we have devised a high versatile method of extracting the potential technical issues. In that model, macro analysis of safety accident information that focuses on reaction mechanism length by using the network analysis (mainly adjacency matrix) can visualize the states and state transitions. Manufacturers can be expected that it is possible to clarify the issues by comparing between product accidents of other industries and their own product accidents. They are issues that cannot be extracted only from their own accident information, can be expected to be very effective in prevention.

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