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" Simultaneous sequencing of incoming and outgoing semi-trailers on a cross-docking platform "


Document Type : Latin Dissertation
Language of Document : English
Record Number : 52587
Doc. No : TL22541
Call number : ‭MR35690‬
Main Entry : Mohammad Yousef Maknoon
Title & Author : Simultaneous sequencing of incoming and outgoing semi-trailers on a cross-docking platform\ Mohammad Yousef Maknoon
College : Ecole Polytechnique, Montreal (Canada)
Date : 2007
Degree : M.Sc.A.
student score : 2007
Page No : 65
Abstract : This study presents the semi-trailer scheduling problem on a cross-docking platform. There are sequences of inbound and outbound semi-trailers on the transshipment platform. At the inbound door, the products are unloaded, broken down, processed and consolidated for reshipment at the outbound door. The unloaded products transfer directly to the outbound door if they move to the currently loading semi-trailer; otherwise, the products are put into temporary storage for future reshipment. Increasing the proportion of directly transiting products leads to a reduction in inventory levels and a more efficient utilization of platform transporters. In this work, the simultaneous sequencing of inbound and outbound semi-trailers is studied to maximize the direct flow of products between receiving and shipping doors. In this study, the problem is limited to one receiving and one shipping door. First we present the mathematical formulation for the problem. This formulation solves the problem for a small number of products in a reasonable time. However, as the number of products increases, the formulation becomes impractical. Therefore, we propose some heuristic methods to solve the problem. Three cases of the sequencing problem in transshipment are studied. The cases differ by the available knowledge about the incoming or outgoing sequences. Dynamic programming and heuristics are used. These general methods are integrated with Tabu search as a resolution for the eases. The results indicate that sequencing incoming and outgoing semi-trailers notably increases the ratio of directly transiting products to total transferred products, which leads to a reduction in inventory level and transporter utilizations. We conclude that sequencing semi-trailers is one of the platform operational activities that can increase cross-docking performance.
Subject : Applied sciences; Industrial engineering; 0546:Industrial engineering
Added Entry : Ecole Polytechnique, Montreal (Canada)
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