GIS-理論と応用
Online ISSN : 2185-5633
Print ISSN : 1340-5381
ISSN-L : 1340-5381
災害時無線ライフライン情報監視システムへのGISの応用
渡辺 尚渥美 雅央安達 淳水品 静夫
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2001 年 9 巻 2 号 p. 67-74

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This paper describes a basic concept of a wireless lifeline data gathering project at TAO Hamamatsu Lifeline Research Center. The gathered information creates a GIS database. Using the database the system provides emergency control including active shutoff of lifelines. It also enables rescue personnel to make a restoration plan by predicting damaged portions of the lifelines. For the prediction the system reduces a network into a feasible size and derives a resistance value by linear approximation. Assuming several links damaged, it simulates water flow to make a number of water supply patterns in a prediction database. After a disaster the most fitted pattern is chosen. Implementation of the system reveals that the execution time is reduced by a factor of 80000 and thàt in 39 days the prediction database including 700 million patterns can be created.
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© 地理情報システム学会
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