交通流シミュレーションのための渋滞状況を考慮したOD表逆解析

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  • Inverse Analysis of Origin-Destination Matrix for Traffic Simulation Considering Congestion

説明

<p>Microscopic traffic simulations are useful for solving various traffic-related problems, e.g. traffic jam and accidents, local as well as global environmental and energy problems and so on. An origin-destination (OD) matrix is a typical representation form of traffic demands that is required for simulation. In this study, we propose an indirect method to estimate the OD matrix using a traffic simulator as an internal model. The method mainly consists of the following two processes: the process of the simulation from assumed OD matrix and the process of updating the matrix. Until the estimated matrix becomes converged, these processes are iterated. Though observed ink traffic volume is required to run this method, the number of the data is limited and it describes the characteristics of not network but each single link. Then, we introduce macroscopic fundamental diagram into the proposed method to deal with this problem. We discuss the accuracy and the characteristics of the proposed method.</p>

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