Analysis of economic order quantity under fuzzy environments |
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| Authors: | WANG Cheng TANG Wansheng ZHAO Ruiqing |
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| Institution: | Institute of Systems Engineering, Tianjin University, Tianjin 300072, China |
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| Abstract: | In the economic order quantity (EOQ) model, the decision maker has vague information about holding cost, ordering cost and market demand. With these uncertainties characterized as fuzzy variables, a new formula is developed by analyzing the fuzzy total cost. By comparing with other four EOQ formulas, I.e., using the crisp numbers with the highest membership values in classic EOQ formula, using the expected values of fuzzy parameters in classic EOQ formula, using the fuzzy variables in classic EOQ formula and then calculating the expected value, and calculat-ing EOQ by hybrid intelligent algorithm simulation, the effectiveness of this formula is illustrated. |
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| Keywords: | economic order quantity (EOQ) fuzzy variable fuzzy mapping |
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