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Mathematical Problems in Engineering
Volume 2014, Article ID 313829, 15 pages
http://dx.doi.org/10.1155/2014/313829
Research Article

A Multiobjective Fuzzy Aggregate Production Planning Model Considering Real Capacity and Quality of Products

Department of Manufacturing and Industrial Engineering, Faculty of Mechanical Engineering, Universiti Teknologi Malaysia, Skudai, Malaysia

Received 3 April 2014; Revised 29 July 2014; Accepted 31 July 2014; Published 11 September 2014

Academic Editor: Michael Freitag

Copyright © 2014 Najmeh Madadi and Kuan Yew Wong. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

In this study, an attempt has been made to develop a multiobjective fuzzy aggregate production planning (APP) model that best serves those companies whose aim is to have the best utilization of their resources in an uncertain environment while trying to keep an acceptable degree of quality and customer service level simultaneously. In addition, the study takes into account the performance and availability of production lines. To provide the optimal solution to the proposed model, first it was converted to an equivalent crisp multiobjective model and then goal programming was applied to the converted model. At the final step, the IBM ILOG CPLEX Optimization Studio software was used to obtain the final result based on the data collected from an automotive parts manufacturing company. The comparison of results obtained from solving the model with and without considering the performance and availability of production lines, revealed the significant importance of these two factors in developing a real and practical aggregate production plan.