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タイトル: Obstacle Emergence Risk and Road Patrol Policy
著者: Kobayashi, Kiyoshi  kyouindb  KAKEN_id
Kaito, Kiyoyuki
著者名の別形: 小林, 潔司
発行日: 2012
出版者: Hindawi Publishing Corporation
誌名: Advances in Civil Engineering
巻: 2012
論文番号: 567509
抄録: The authors model the emergence processes of road obstacles, such as fallen objects on roads, the deformation and destruction of pavements, and the damage and destruction of road facilities, as counting processes. Especially, in order to take into account the heterogeneity of the emergence risk of a variety of road obstacles, the authors model a mixture Poisson process in which the arrival rate of road obstacles is subject to a probability distribution. In detail, the authors formulate a Poisson-Gamma model expressing the heterogeneity of the arrival rate as a Gamma distribution and formulate the management indicator of the emergence risk of road obstacles. Then, a methodology is developed in order to design a road patrol policy that can minimize the road obstacle risk with a limited amount of budget. Furthermore, the authors empirically verify that it is possible to design road patrol policy based on the emergence risk of actual road obstacles with the proposed methodology, by studying the cases of the application of the methodology to general national roads.
著作権等: © 2012 Kiyoshi Kobayashi and Kiyoyuki Kaito. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
URI: http://hdl.handle.net/2433/153292
DOI(出版社版): 10.1155/2012/567509
出現コレクション:学術雑誌掲載論文

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