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The routing of vehicles or personnel in complex logistics systems is a task that needs to be solved in numerous applications, e.g., detailed models of transport networks or order picking areas. The number of relevant nodes in such networks can easily exceed 10,000 nodes. Often, a basic task is finding the shortest path from one node (start) to another (destination). Within the last years various simulation...
Modeling and analysis of automated material handling systems in semiconductor manufacturing is difficult because of its complexity, the large amount of data originating from different sources as well as the often incomplete monitoring of transport processes. This article proposes an automated method and tool for building high level models of such systems based on transport logs, routing information...
This paper takes vehicle distribution of TPL as the object of study, discussing the solution to the arrangement of vehicle routing problem which is based on “multi-deport” vehicle distribution of the triangle network. As for the actual situation of vehicle distribution, clusters the supply and demand nodes into sliced area in order to form triangle distribution model and realize the triangle closed-loop...
Decision making method for freight flow distribution of logistics network, whose line lengths are measured by single factor or by multifactor with constant weight, cannot take the influence of factors' state values over their weights and the preferences of decision maker into account. Aimed to solve the problem, factors' interactions are analyzed and accordingly the logistics network is separated...
Based on traditional Vehicle Routing Problem with Time Windows, after analyzing the characteristics of fresh product distribution and studying on the time-dependent truck running time in urban areas and time-varying temperature in a day, the paper constructed the relevant cost function and established a cold chain Distribution Routing optimization model. A case with sensitivity analysis on main parameters...
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