A metamodel simulation-based optimization approach for the efficient calibration of stochastic traffic simulators

被引:4
|
作者
Osorio, Carolina [1 ]
Flotterod, Gunnar [2 ]
Zhang, Chao [1 ]
机构
[1] MIT, Dept Civil & Environm Engn, 77 Massachusetts Ave, Cambridge, MA 02139 USA
[2] KTH Royal Inst Technol, Dept Transport Sci, S-11428 Stockholm, Sweden
基金
美国国家科学基金会;
关键词
calibration; stochastic microscopic simulation; simulation-based optimization; ORIGIN-DESTINATION MATRICES; FRAMEWORK; MODEL;
D O I
10.1016/j.trpro.2015.03.017
中图分类号
U [交通运输];
学科分类号
08 ; 0823 ;
摘要
This work considers the calibration of stochastic microscopic traffic simulators. It formulates the calibration problem as a simulation-based optimization (SO) problem, and uses metamodel SO ideas. The main idea is to embed within the calibration algorithm an analytical problem-specific description of how the calibration parameters are related to the simulation-based objective function. Preliminary results on a toy network are presented. Ongoing work applies these ideas to the calibration of a Berlin metropolitan area network. (C) 2015 The Authors. Published by Elsevier B.V.
引用
收藏
页码:213 / 223
页数:11
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