• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
  • Scopus
  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
  • Chinese S&T Journal Citation Reports
  • Chinese Science Citation Database
Volume 21 Issue 4
Aug.  2008
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Article Contents
DAI Ying. Inventory Model with Fuzzy Demand during Lead Time[J]. Journal of Southwest Jiaotong University, 2008, 21(4): 514-518.
Citation: DAI Ying. Inventory Model with Fuzzy Demand during Lead Time[J]. Journal of Southwest Jiaotong University, 2008, 21(4): 514-518.

Inventory Model with Fuzzy Demand during Lead Time

  • Received Date: 08 Oct 2007
  • Publish Date: 25 Aug 2008
  • To deal with the inventory management problem with fuzzy demand during the lead time,the fuzzy set theory was applied to single-product inventory systems using(Q,r) policy.Uncertain demand during the lead time was characterized by a triangular fuzzy number,and an optimal order quantity model was established.The expected value method was adopted to obtain the expected value of the fuzzy demand during the lead time,and the center of gravity defuzzification method was applied to calculate the fuzzy expected value of the shortage.As a result,the minimized expected total annual cost was determined by a corresponding order point and quantity.Finally,a numerical example was given to illustrate the validity of the established model.

     

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