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    Please use this identifier to cite or link to this item: http://ir.lib.ksu.edu.tw/handle/987654321/17406

    Title: An EMQ Model with Time-Varying Demand over the Porduct Life Cycle
    Authors: 葉俊吾
    Keywords: Economic Manufacturing Quantity;Product Life Cycle;Time-varying Demand
    Date: 2010-12
    Issue Date: 2012-09-07 14:33:35 (UTC+8)
    Abstract: The Economic Manufacturing Quantity (EMQ) problems that appear in the literature assume that the demand rate is a constant and then attempt to find the optimal production cycle. While this assumption may be appropriate for everyday commodities with a stable demand rate, it is not suitable for technological or fashionable products because their demand rate is not constant in the product life cycle. The demand rate for such products life cycle will gradually increase over time, reach a peak, and then decline. Therefore, the optimal lengths of each planning production cycle would be not equal, which means that the traditional EMQ model is not applicable in such situations. For better cost management, an alternative EMQ model is thus proposed in this study. The proposed model uses the diffusion model proposed by Bass (1969) to predict product demand rates over product life cycles to minimize the related inventory cost. In addition, this research also analyzes the effect of different demand characteristics upon planning product life cycles.
    Relation: The IEEE International Conference on Industrial Engineering and Engineering Management, 澳門
    Appears in Collections:[資訊管理系所] 會議論文

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