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Minimizing loss in LCD glass manufacturing by cutting pattern optimization based on integer programming

  • Process Systems Engineering, Process Safety
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Abstract

Loss reduction plays a critical role in improving both process efficiency and overall profitability. As processes become more complex, loss reduction becomes more challenging and systematic decision-supporting methods are thus needed. This paper illustrates such a method in the context of liquid crystal display (LCD) glass production, which involves a series of chemical processes. Loss-minimizing integer programming models are proposed to compute a cutting pattern that allocates multiple demands to LCD mother glass. Numerical examples from actual LCD glass processes are presented to illustrate the applicability of the proposed method.

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Authors and Affiliations

  1. Department of Nuclear and Energy System Engineering, Dongguk University, Gyeongju, 38066, Korea

    Jun-Hyung Ryu

  2. Department of Chemical Engineering, POSTECH, Pohang, 37673, Korea

    Kyung Tae Park & In-Beum Lee

Authors
  1. Jun-Hyung Ryu
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  2. Kyung Tae Park
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  3. In-Beum Lee
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Correspondence to Jun-Hyung Ryu.

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Ryu, JH., Park, K.T. & Lee, IB. Minimizing loss in LCD glass manufacturing by cutting pattern optimization based on integer programming. Korean J. Chem. Eng. 34, 952–960 (2017). https://doi.org/10.1007/s11814-016-0328-7

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  • DOI: https://doi.org/10.1007/s11814-016-0328-7

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