Journal
EXPERT SYSTEMS WITH APPLICATIONS
Volume 170, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.eswa.2020.114554
Keywords
Traffic count location; Origin-destination estimation; Covariance matrix; Bi-objective optimization; Surrogate-assisted genetic algorithm
Categories
Funding
- National Natural Science Foundation of China [72071202, 71671184, 71971108, 71571096, 11801081]
- Key Project of Yong Talents in Fuyang Normal University [rcxm202013]
- Fuyang Municipal Government-Fuyang Normal University Horizontal Cooperation Project [XDHXTD201709]
- Research Initiation Foundation of Xuzhou Medical University [D2019046]
- Research Grants Council of the Hong Kong Special Administrative Region, China [PolyU 152628/16E, R5029-18]
- Top Six Talents' Project of Jiangsu Province [XNYQC-001]
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This paper introduces a bi-objective optimization model for the traffic count location problem, aiming to minimize the maximum possible absolute error of the mean and the covariance of the estimated OD demand. A surrogate-assisted genetic algorithm is employed to solve this model, and numerical examples are provided to demonstrate the applicability of the model and the efficiency of the algorithm.
This paper describes a bi-objective optimization model for the traffic count location problem in stochastic origin-destination (OD) traffic demand estimation. Two measures are defined to capture the maximum possible absolute error of the mean and the covariance of the estimated OD demand. The bounds of these two measures are mathematically deduced, and then the bi-objective optimization model is formulated to minimize the two upper bounds simultaneously. A surrogate-assisted genetic algorithm is proposed to solve this model, and a series of numerical examples are presented to demonstrate the applicability of the proposed model and the efficiency of the proposed algorithm.
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