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

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

R. Uthayakumar, M. Valliathal
Copyright: © 2011 |Volume: 2 |Issue: 3 |Pages: 36
ISSN: 1947-8569|EISSN: 1947-8577|EISBN13: 9781613509258|DOI: 10.4018/jsds.2011070104
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MLA

Uthayakumar, R., and M. Valliathal. "Fuzzy Economic Production Quantity Model for Weibull Deteriorating Items with Ramp Type of Demand." IJSDS vol.2, no.3 2011: pp.55-90. http://doi.org/10.4018/jsds.2011070104

APA

Uthayakumar, R. & Valliathal, M. (2011). Fuzzy Economic Production Quantity Model for Weibull Deteriorating Items with Ramp Type of Demand. International Journal of Strategic Decision Sciences (IJSDS), 2(3), 55-90. http://doi.org/10.4018/jsds.2011070104

Chicago

Uthayakumar, R., and M. Valliathal. "Fuzzy Economic Production Quantity Model for Weibull Deteriorating Items with Ramp Type of Demand," International Journal of Strategic Decision Sciences (IJSDS) 2, no.3: 55-90. http://doi.org/10.4018/jsds.2011070104

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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.

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