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首页> 外文期刊>IEEE Transactions on Intelligent Transportation Systems >Traffic Assignment Using a Density-Based Travel-Time Function for Intelligent Transportation Systems
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Traffic Assignment Using a Density-Based Travel-Time Function for Intelligent Transportation Systems

机译:使用基于密度的出行时间功能进行智能交通系统的交通分配

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This paper presents and shows why density-based travel-time function is consistent with the fundamental diagram from traffic theory and then reviews the applications of travel time in intelligent transportation systems. This paper presents a density-based travel-time function that does not have the ill-posedness that is present in flow-based travel-time functions. The classic steady-state traffic assignment is cast using this new travel-time function, and corresponding mathematical programming formulations are proposed. It is shown that the modified Beckman formulation based on the density-based travel-time function provides a unique solution for link flows and link densities where the Wardrop condition has nonunique values for arc traffic densities.
机译:本文介绍并说明了为什么基于密度的旅行时间函数与交通理论中的基本图一致,然后回顾了旅行时间在智能交通系统中的应用。本文提出了一种基于密度的行程时间函数,该函数不具有基于流量的行程时间函数中存在的不适定性。使用此新的旅行时间函数强制转换经典的稳态交通分配,并提出了相应的数学编程公式。结果表明,基于“基于密度的行程时间”函数的改良贝克曼公式为链接流和链接密度提供了唯一的解决方案,其中“水滴”条件对电弧交通密度具有非唯一值。

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