Please use this identifier to cite or link to this item: https://hdl.handle.net/11499/7998
Title: Optimal design of signal controlled road networks using differential evolution optimization algorithm
Authors: Ceylan, Hüseyin
Keywords: Bilevel programming problem
Congestion minimization
Differential evolution optimization algorithms
Optimization algorithms
Simulation-optimization models
Stochastic user equilibrium
Traffic assignment problem
Traffic signal settings
Genetic algorithms
Motor transportation
Network performance
Street traffic control
Traffic congestion
Traffic signals
Computer simulation
Abstract: This study proposes a traffic congestion minimization model in which the traffic signal setting optimization is performed through a combined simulation-optimization model. In this model, the TRANSYT traffic simulation software is combined with Differential Evolution (DE) optimization algorithm, which is based on the natural selection paradigm. In this context, the EQuilibrium Network Design (EQND) problem is formulated as a bilevel programming problem in which the upper level is the minimization of the total network performance index. In the lower level, the traffic assignment problem, which represents the route choice behavior of the road users, is solved using the Path Flow Estimator (PFE) as a stochastic user equilibrium assessment. The solution of the bilevel EQND problem is carried out by the proposed Differential Evolution and TRANSYT with PFE, the so-called DETRANSPFE model, on a well-known signal controlled test network. Performance of the proposed model is compared to that of two previous works where the EQND problem has been solved by Genetic-Algorithms- (GAs-) and Harmony-Search- (HS-) based models. Results show that the DETRANSPFE model outperforms the GA- and HS-based models in terms of the network performance index and the computational time required. © 2013 Huseyin Ceylan.
URI: https://hdl.handle.net/11499/7998
https://doi.org/10.1155/2013/696374
ISSN: 1024-123X
Appears in Collections:Mühendislik Fakültesi Koleksiyonu
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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