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Fuzzy Economic Production Quantity Model for Weibull Deteriorating Items with Ramp Type of Demand

Author

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  • R. Uthayakumar

    (Gandhigram Rural University, India)

  • M. Valliathal

    (Chikkaiah Naicker College, India)

Abstract

This paper discusses an Economic Production Quantity model for Weibull deteriorating items over an infinite time horizon under fuzzy environment. Fuzziness is introduced by allowing the cost components such as setup cost, production cost, holding cost, shortage cost and opportunity cost due to lost sales to certain extent. Triangular fuzzy numbers are used to represent the mentioned costs. Optimum policies of the described models under fuzzy costs are derived. The proposed model can be extended in several ways. For instance, the deterministic demand function to stochastic fluctuating demand patterns could be considered. The model could also be generalized to allow for quantity discounts, as well as permissible delay in payments.

Suggested Citation

  • R. Uthayakumar & M. Valliathal, 2011. "Fuzzy Economic Production Quantity Model for Weibull Deteriorating Items with Ramp Type of Demand," International Journal of Strategic Decision Sciences (IJSDS), IGI Global, vol. 2(3), pages 55-90, July.
    • Handle: RePEc:igg:jsds00:v:2:y:2011:i:3:p:55-90
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    Cited by:

    1. Neeraj Kumar & Sanjey Kumar, 2017. "An inventory model for deteriorating items with partial backlogging using linear demand in fuzzy environment," Cogent Business & Management, Taylor & Francis Journals, vol. 4(1), pages 1307687-130, January.
    2. Pasandideh, Seyed Hamid Reza & Niaki, Seyed Taghi Akhavan & Nobil, Amir Hossein & Cárdenas-Barrón, Leopoldo Eduardo, 2015. "A multiproduct single machine economic production quantity model for an imperfect production system under warehouse construction cost," International Journal of Production Economics, Elsevier, vol. 169(C), pages 203-214.

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