Solving Fuzzy Multiproduct Aggregate Production Planning Problems Based on Extension Principle

Shih-Pin Chen and Wen-Lung Huang

International Journal of Mathematics and Mathematical Sciences, 2014, vol. 2014, 1-18

Abstract:

Aggregate production planning (APP) plays a critical role in supply chain management (SCM). This paper investigates multiproduct, multiperiod APP problems with several distinct types of fuzzy uncertainties. In contrast to the existing studies, the modelling in this work conserves the fuzziness such that the obtained APP is more effective. Based on Zadeh’s extension principle, the results obtained are fuzzy solutions described by membership functions, in contrast to results from previous studies. A pair of two-level parametric mathematical programs is formulated to calculate the lower and upper bounds of the optimum fuzzy performance measure. The membership function of the fuzzy total cost is constructed by enumerating various possibility levels. A case studied in previous research is investigated to demonstrate the validity of the proposed model and solution procedure. Because the optimal objective value and associated decision variables are expressed using fuzzy numbers rather than crisp values, the proposed approach is able to represent APP systems more accurately, and therefore, the results obtained can provide decision makers with more effective and informative APPs and more chance to achieve the optimal disaggregate plan.

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jijmms:207839

DOI: 10.1155/2014/207839

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