APPLYING SPEA2 TO SOLVE MULTI-OBJECTIVE MANUFACTURING PROBLEM WITH DEMAND LEAKAGE
Journal Title: IJAR-Indian Journal of Applied Research - Year 2019, Vol 9, Issue 2
Abstract
The focus of this paper is a manufacturing system producing two grades of a product. The manufacturing system produces defective items which are reworked and sold in the secondary market. The price of grade I product is greater than that for grade II product. The demand leakage is also being considered for the product of grade I. The demand leakage here means that the some of the customers who are willing to pay for product of grade I, are actually paying for product of grade II. The unsold units for both the grades are sold at giveaway price. Both the demand and sale are assumed to be fuzzy in nature. The objective of this research work is to study the behavior of the system under demand leakage and other conditions. A multi-objective problem has been proposed for the purpose and Strength Pareto Evolutionary Algorithm 2 (SPEA2) has been applied to study the behavior of the proposed problem. The variations of the objective values have been observed and analyzed. A numerical example shows the applicability of the proposed solution methodology.
Authors and Affiliations
Susmita Bandyopadhyay
Keywords
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