A New Approach to Economic Production Quantity Problems with Fuzzy Parameters and Inventory Constraint

  • József Mezei
  • Kaj-Mikael Björk
Part of the Communications in Computer and Information Science book series (CCIS, volume 442)


In this paper, we will develop a new multi-item economic production quantity model with limited storage space. This new model will then be extended to allow for fuzzy demand and solved numerically with a non-linear programming solver for two cases: in the first case the optimization problem will be defuzzified with the signed distance measure and in the second case, the storage constraint needs to be fulfilled, only to a certain degree of possibility. Both cases are solved and illustrated with an example.


Economic Production Quantity Triangular fuzzy numbers Inventory constraint Signed distance Chance constrained optimization 


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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  • József Mezei
    • 1
  • Kaj-Mikael Björk
    • 1
    • 2
  1. 1.IAMSRÅbo Akademi UniversityTurku
  2. 2.Arcada University of Applied SciencesHelsinkiFinland

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