Published Apr 30, 2008



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Jairo Rafael Montoya-Torres

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Abstract

This paper discusses the problem of vehicle location or positioning for material handling in automated manufacturing systems. The problem is inspired by a real-life application in semiconductor manufacturing. The main difference between this paper and previous works is the consideration of the unified nature of the transport system in which vehicles can travel from one machine to another without passing through intermediate storage. Since a vehicle fleet size is limited, it is necessary to implement intelligent strategies to satisfy transportation requests. Previous Works have focused on hierarchical mathematical programming and simulation approaches. This paper studies the tactical decision level, in which, based on static demand estimates, the objective is to determine the best distribution of vehicles within the factory so as to minimize the time required to service a transport request. A greedy heuristic procedure is proposed. Experimental tests have been conducted using previous data from the literature based on a real-life automated factory. An improvement in both production metrics and computation time has been obtained.

Keywords

Sistemas de transporte automatizado, semiconductores, métodos heurísticosAutomated Material Handling Systems, semiconductors, heuristic methods

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How to Cite
Montoya-Torres, J. R. (2008). A greedy procedure for vehicle positioning in complex automated transportation systems used in manufacturing. Ingenieria Y Universidad, 12(1). Retrieved from https://revistas.javeriana.edu.co/index.php/iyu/article/view/934
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