NDLI: Formulation and Solution for Level of Service Reliability with Variable Traffic Demand

Content Provider	IEEE Xplore Digital Library
Author	Aiwu Kuang Zhongxiang Huang
Copyright Year	2009
Abstract	A concept of level of service reliability (Los reliability) is proposed from the point of view of individual driver and system manager. By treating OD demands as discrete random variables, the most probable demand state space can be obtained via the search of an ordered tree. For any given state vector in the most probable state space, the link flow can be calculated based on the stochastic user equilibrium (SUE) traffic assignment method. The performance function of link and road network can be defined according to the ratio of link (network) flow to link (network) capacity. Then, an approximation algorithm is established to estimate Los reliability based on the pessimistic and optimistic hypotheses. Finally, some computations on a small road network are carried out in this paper. The numerical results show that the proposed algorithm can achieve better Los reliability estimated value with less expense.
Starting Page	602
Ending Page	605
File Size	707689
Page Count	4
File Format	PDF
ISBN	9780769538044
DOI	10.1109/ICICTA.2009.611
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-10-10
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Automation Stochastic processes Telecommunication traffic most probable state Reliability engineering State-space methods level of service reliability Intelligent transportation systems Road transportation stochastic demand Stochastic systems Space technology upper and lower bounds stochastic user equilibrium Random variables
Content Type	Text
Resource Type	Article

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