TY - JOUR
T1 - A mixed planar approach for estimating the origin-destination matrix in large scale networks
TT - یک نگرش ترکیب سطوح برای تخمین ماتریس مبدأ و مقصد در شبکههای بزرگ مقیاس
JF - JAMLU
JO - JAMLU
VL - 15
IS - 1
UR - http://jamlu.liau.ac.ir/article-1-1527-en.html
Y1 - 2018
SP - 123
EP - 140
KW - Transportation network
KW - Origin-destination matrix
KW - Least squares approach
KW - Mixed planar.
N2 - 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.
M3
ER -