標題: Using fuzzy integral for evaluating subjectively perceived travel costs in a traffic assignment model
作者: Chen, YW
Tzeng, GH
管理學院
College of Management
關鍵字: network;traffic assignment;fuzzy integral;fuzzy measure
公開日期: 1-May-2001
摘要: A good traffic assignment model can be a powerful tool to describe the characteristics of traffic behavior in a road network. The traffic assignment results often play an important role in transportation planning, e.g., an optimal and economical network design, Many traditional traffic assignment models rely heavily on the travel cost function established by Wardrop's principles; however, the Wardrop's travel cost function has been proven to be weak for explaining the uncertainty and interactivity of traffic among links. This study tries to construct a traffic assignment model that is different from Wardrop's in many aspects. First, it considers the cross-effect among the links, Second, a fuzzy travel cost function is established based on the possibility concept instead of precise calculation of traffic volumes. Third, the techniques of fuzzy measure and fuzzy integral are applied to calculate the subjectively perceived travel costs during traffic assignment. Furthermore, in order to validate our model, a detailed network with 22 nodes and 36 links is used to illustrate it. Study results show that our model explains more interactivity and uncertainty of traffic among links when compared with the traditional model of Wardrop's. (C) 2001 Elsevier Science B.V. Al rights reserved.
URI: http://dx.doi.org/10.1016/S0377-2217(99)00439-7
http://hdl.handle.net/11536/29686
ISSN: 0377-2217
DOI: 10.1016/S0377-2217(99)00439-7
期刊: EUROPEAN JOURNAL OF OPERATIONAL RESEARCH
Volume: 130
Issue: 3
起始頁: 653
結束頁: 664
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