A Simulation-Based Optimization Framework for Urban Transportation Problems

Carolina Osorio () and Michel Bierlaire ()
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Carolina Osorio: Civil and Environmental Engineering Department, Massachusetts Institute of Technology, Cambridge, Massachusetts 02138
Michel Bierlaire: Transport and Mobility Laboratory, School of Architecture, Civil and Environmental Engineering, Ecole Polytechnique Fédérale de Lausanne, CH-1015 Lausanne, Switzerland

Operations Research, 2013, vol. 61, issue 6, 1333-1345

Abstract: This paper proposes a simulation-based optimization (SO) method that enables the efficient use of complex stochastic urban traffic simulators to address various transportation problems. It presents a metamodel that integrates information from a simulator with an analytical queueing network model. The proposed metamodel combines a general-purpose component (a quadratic polynomial), which provides a detailed local approximation, with a physical component (the analytical queueing network model), which provides tractable analytical and global information. This combination leads to an SO framework that is computationally efficient and suitable for complex problems with very tight computational budgets.We integrate this metamodel within a derivative-free trust region algorithm. We evaluate the performance of this method considering a traffic signal control problem for the Swiss city of Lausanne, different demand scenarios, and tight computational budgets. The method leads to well-performing signal plans. It leads to reduced, as well as more reliable, average travel times.

Keywords: simulation-based optimization; traffic control; metamodel; queueing (search for similar items in EconPapers)
Date: 2013
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Citations: View citations in EconPapers (44)

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