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AN OFF-LINE DUAL MAXIMUM RESOURCE BIN PACKING MODEL AN OFF-LINE DUAL MAXIMUM RESOURCE BIN PACKING MODEL INDUSTRY

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Author(s): GEORGE CRISTIAN GRUIA | MICHAL KAVAN

Journal: Challenges of the Knowledge Society
ISSN 2068-7796

Volume: 3;
Issue: -;
Start page: 963;
Date: 2013;
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Keywords: bin packing | maximization | resources | scheduling

ABSTRACT
In the aviation industry, propeller motor engines have a lifecycle of several thousand hours of flight and the maintenance is an important part of their lifecycle. The present article considers a multi-resource, priority-based case scheduling problem, which is applied in a Romanian manufacturing company, that repairs and maintains helicopter and airplane engines at a certain quality level imposed by the aviation standards. Given a reduced budget constraint, the management’s goal is to maximize the utilization of their resources (financial, material, space, workers), by maintaining a prior known priority rule. An Off-Line Dual Maximum Resource Bin Packing model, based on a Mixed Integer Programing model is thus presented. The obtained results show an increase with approx. 25% of the Just in Time shipping of the engines to the customers and approx. 12,5% increase in the utilization of the working area.

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