Optimal lot sizing for deteriorating items with triangle-shaped demand and uncertain lead time

Ping-Hui Hsu, Hui-Ming Teng and Hui-Ming Wee

European Journal of Industrial Engineering, 2009, vol. 3, issue 3, 247-260

Abstract: The ordering policy for retailers and the suppliers' system are influenced by lead time and deterioration. In this study, we consider deteriorating items with triangle-shaped demand and uncertain lead time. The triangle-shaped demand has the characteristic of increasing demand during the introduction season followed by decreasing demand immediately after the peak season. An algorithm is developed to derive a replenishment policy such that the expected unit time profit is maximised. A numerical analysis of the coordinated and noncoordinated policies are also presented for comparison. [Submitted 08 January 2008; Revised 15 May 2008; Revised 21 September 2008; Accepted 29 September 2008]

Keywords: deteriorating inventory; uncertain lead times; triangle-shaped demand; coordination; lot sizing; optimisation. (search for similar items in EconPapers)
Date: 2009
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