国内物流ネットワークに関する研究

概要

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From the viewpoint of environmental problem and road traffic congestion, etc. it is requested that the means of domestic cargo should be shifted from track to ship or train. The Japanese Islands are described by networking of routes where unit load passes through. Highway, general road, train, ferry and RORO lines are the paths of network. Conjunction, crossroad, terminal and port are the nodes of network. Sharing of cargo flow is given by Sacrifice model. Route selection of ferry and RORO lines is regarded as demand of transport of the line, which is calculated by a given set of fee and required time in the line. Number of service times of the line and cut-off rate by which ships are designed to load the parts of calculated demand of transport in the line are given as parameters, then proper ship is designed and the ship is managed by ship company. Best profit is produced in several sets of parameters' case study. Totally optimized fee, required time, number of service times and ship are obtained. This method is utilized as a tool of proposal by shipbuilder to shipowner, as a tool of management of ship company, or as a tool of investor's evaluation of liner business.
独立行政法人海上技術安全研究所の論文
2003-09-26