Shortest Path Finding Problem in Stochastic Time-Dependent Road Networks With Stochastic First-In-First-Out Property

Shortest Path Finding Problem in Stochastic Time-Dependent Road Networks With Stochastic First-In-First-Out Property
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具有随机先进先出性质的随机时变道路网络中的最短路径查找问题

DOI:
10.1109/tits.2013.2270282
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发表时间:
2013-12
影响因子:
8.5
通讯作者:
Yan K.
Yan K.
中科院分区:
工程技术1区
文献类型:
--
作者:
Chen Bi Yu;Lam William H.K.;Li Qingquan;Sumalee A.;Yan K.

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由于路网中的行程时间是动态的和不确定的,在大规模路网中寻找最不期望的时间路径是困难和耗时的。研究了随机时间依赖(STD)路网中最小期望时间路径的求解问题。提出了一个随机行程速度模型来表示STD路段的行程时间。证明了STD网络中链路的行程时间满足随机先进先出(S-先进先出)特性。基于S-先进先出的这一性质,提出了一种有效的多准则A*算法来准确确定STD网络中最不期望的时间路径。对几个大规模路网的计算结果表明,该算法比现有的不具有S-先进先出特性的求解算法具有明显的计算优势。
As travel times in road networks are dynamic and uncertain, it is difficult and time-consuming to search for the least expected time path in large-scale networks. This paper addresses the problem of finding the least expected time path in stochastic time-dependent (STD) road networks. A stochastic travel speed model is proposed to represent STD link travel times. It is proved that the link travel times in STD networks satisfy the stochastic first-in-first-out (S-FIFO) property. Based on this S-FIFO property, an efficient multicriteria A* algorithm is proposed to exactly determine the least expected time path in STD networks. Computational results using several large-scale road networks show that the proposed algorithm has a significant computational advantage over existing solution algorithms without the S-FIFO property.
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发表时间: 2005-10
期刊: Proceedings. 2005 IEEE Intelligent Transportation Systems, 2005.
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