感度分析による経路集約化法を用いた確率的利用者均衡配分の効率的計算

書誌事項

タイトル別名
  • EFFICIENT CALCULATION OF STOCHASTIC USER EQUILIBRIUM WITH ROUTE AGGREGATION USING SENSITIVITY ANALYSIS
  • カンド ブンセキ ニ ヨル ケイロ シュウヤクカホウ オ モチイタ カクリツテキ リヨウシャ キンコウ ハイブン ノ コウリツテキ ケイサン

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抄録

Assignment of route flows is required when examining fare discount of some routes on urban expressways. In general, traffic assignment of a large-scale road network needs much computation capacity and computation time, and work of data entry and displaying results is also very tough. It is important to reduce computational cost and capacity especially when traffic assignment is made many times. Aggregation of traffic network is one of the methods for reducing the computation cost, maintaining the accuracy of the results. In this study, a method of aggregating the routes that consist solely of general links is developed using sensitivity analysis, and traffic assignment is made between the aggregated general link route and routes which wholey or partially include expressway link. Then, the above method is applied to a simple network and its validity and computational time reduction are examined.

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