A New Measure of Travel Time Reliability for In-Vehicle Navigation Systems

被引：97

作者：

Kaparias, Ioannis ^{[1
]}

Bell, Michael G. H. ^{[1
]}

Belzner, Heidrun ^{[2
]}

机构：

[1] Univ London Imperial Coll Sci Technol & Med, Ctr Transport Studies, London SW7 2BU, England

[2] BMW Grp, Munich, Germany

来源：

JOURNAL OF INTELLIGENT TRANSPORTATION SYSTEMS | 2008年 / 12卷 / 04期

关键词：

Transportation; Intelligent Transportation Systems; In-vehicle Navigation Systems; Network Reliability;

D O I：

10.1080/15472450802448237

中图分类号：

U [交通运输];

学科分类号：

08 ; 0823 ;

摘要：

This article introduces a new measure of travel time reliability for implementation in the dynamic routing algorithm of an intelligent car navigation system. The measure is based on the log-normal distribution of travel time on a link and consists of two indices corresponding to the extreme values of the distribution, such that they reflect the shortest and longest travel times that may be experienced on the link. Through a series of mathematical manipulations, the indices are expressed in terms of the characteristic values of the speed distribution on the link. An expression relating the indices of a route and the indices of the individual links forming it is derived. The accuracy of the measure is then assessed through a field experiment and the results are presented.

引用

页码：202 / 211

页数：10

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