Volume 15, Issue 1 (4-2018)                   2018, 15(1): 123-140 | Back to browse issues page

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Abareshi M, Zaferanieh M. A mixed planar approach for estimating the origin-destination matrix in large scale networks. Journal of Operational Research and Its Applications. 2018; 15 (1) :123-140
URL: http://jamlu.liau.ac.ir/article-1-1527-en.html
Assistant Professor of Hakim Sabzevari University, Faculty of Mathematics and Computer Science, Applied Mathematics Department, Sabzevar
Abstract:   (1342 Views)
Transportation problems are usually considered in large-scale networks, where finding the optimal solution of these problems is so time-consuming and costly. Therefore, a useful method to solve the large-scale network problems is dividing them into some smaller sub-problems. In this paper, for the first time, the origin-destination (o-d) matrix estimation problem is considered through a mixed planar approach wherein the travel demands between o-d pairs are estimated in a large-scale network. A decomposition method is proposed in three phases. In each phase, the solution of some smaller problems in compared with the original one, are estimated. In the first phase, the travel demands between main nodes are estimated while in the second one, the flow pattern in all inner networks corresponding to main nodes is determined. In last phase, the travel demands between primary o-d pairs are estimated by using the obtained information from steps one and two.
Full-Text [PDF 663 kb]   (267 Downloads)    
Type of Study: Research | Subject: Special
Received: 2017/07/5 | Accepted: 2018/02/19 | Published: 2018/03/11

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