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    Volume 43, Issue 4 (July 2015)

    Enhancement of Inventory Management for the Wafer Manufacturing Industry by Combining Market Demand Forecast and Demand-Pull Replenishment

    (Received 30 August 2013; accepted 28 April 2014)

    Published Online: 2015

    CODEN: JTEVAB

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    Abstract

    Theory of constraints (TOC) uses a demand-pull replenishment strategy with buffer management (DPBM) to effectively manage inventory. This strategy has been demonstrated to perform better than traditional inventory strategies, such as (s, S), (s, Q), (R, S), (R, s, S) policies. However, the replenishment lead time is long, and demand changes rapidly in the semiconductor industry. These characteristics cause problems in managing semiconductor inventory and complicate the inventory replenishment strategy. In order to effectively solve the issue of inventory management, this paper proposes a novel approach to improve the classical DPBM by using market demand forecast information and demand-pull replenishment to effectively manage inventory in the semiconductor industry. In numerical verification, this paper used real data provided by a wafer foundry in Taiwan to demonstrate the feasibility and effectiveness of the proposed approach. Simulated scenarios that account for different patterns of demand and different degrees of accuracy of the demand forecasts were generated to test the performance of the proposed approach. After comparing the result that was obtained from the proposed approach with the one from the classical DPBM, it was found that the proposed approach can reduce the average inventory and does not adverse the level of service as long as the demand forecasts are not too far from the real demand.


    Author Information:

    Chang, Yung-Chia
    Department of Industrial Engineering and Management, National Chiao Tung Univ., Hsinchu,

    Chang, Kuei-Hu
    Department of Management Sciences, R.O.C. Military Academy, Kaohsiung,

    Sun, Wei-Chan
    Department of Industrial Engineering and Management, National Chiao Tung Univ., Hsinchu,


    Stock #: JTE20130216

    ISSN:0090-3973

    DOI: 10.1520/JTE20130216

    Author
    Title Enhancement of Inventory Management for the Wafer Manufacturing Industry by Combining Market Demand Forecast and Demand-Pull Replenishment
    Symposium ,
    Committee E11