A Two-direction Method of Solving Variable Demand Equilibrium Models with and without Signal Control

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Publication details

Title of host publicationTransportation and Traffic Theory 2009: Golden Jubilee
DatePublished - 2009
Pages365-386
Number of pages22
PublisherSpringer
Place of PublicationNEW YORK
EditorsWilliam H. K. Lam, S.C. Wong, Hong K. Lo
Original languageEnglish
ISBN (Electronic)978-1-4419-0820-9
ISBN (Print)978-1-4419-0819-3

Abstract

A two direction method of solving variable demand equilibrium models is considered. Throughout an equilibration using this method, if the first direction fails to reduce disequilibrium, use the second. A proof of convergence under fairly weak conditions is provided. The paper shows how the method works on models without and with responsive signal controls. In the former case the method may replace the iteration of an assignment and a demand model. In the latter case the method may replace the iteration of an assignment and a control model; and may then be utilized to design new fixed time signal timings suitable for a variety of situations. In both cases there will be a reasonable convergence guarantee if the two-direction method is utilized.

    Research areas

  • PROXIMAL POINT ALGORITHM, MONOTONE-OPERATORS, TRAFFIC CONTROL, ASSIGNMENT

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