TFT-LCD 电池生产的可持续调度:混合调度规则和两阶段遗传算法

IF 9.8 1区 工程技术 Q1 ENGINEERING, INDUSTRIAL International Journal of Production Economics Pub Date : 2024-09-19 DOI:10.1016/j.ijpe.2024.109412
Hung-Kai Wang , Che-Wei Chou , Chien-Han Wang , Li-An Ho
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引用次数: 0

摘要

TFT-LCD 制造流程包括阵列、彩色滤光片 (CF)、单元和模块。单元工艺在 TFT-LCD 生产供应链中举足轻重;它是前端(阵列和 CF)和后端(模块)之间的桥梁,保持生产能力的平衡。前端的供应被传送到后端,确保对客户需求做出迅速反应。随着环境保护意识的增强,在 TFT-LCD 制造业中实施可持续发展已变得至关重要。具体而言,减少 TFT-LCD 排程中的机器设置频率,可降低机器运行和等待时间的能耗,并通过最大限度地减少反复停机造成的磨损来延长设备的使用寿命。为应对 TFT-LCD 生产中错综复杂的调度挑战,本研究提出了一种智能、可持续的调度方法,该方法采用了滚动调度和生产线平衡机制以及用于单元调度的两阶段遗传算法(HDTPGA)。目标是在考虑产品多样性、生产限制、在制品平衡和机器设置频率的情况下,最大限度地减少生产周期。这种整体方法促进了高能效和可持续的生产实践。根据实证研究,与基线相比,拟议的 HDTPGA 可将生产周期缩短约 10%。此外,它还将单元流程中瓶颈阶段(ODF 和 CCT)的日均设置频率分别降低了约 68.25% 和 66.25%。本文的主要贡献在于提出了一种智能调度算法,用于优化 Cell 生产调度。HDTPGA 实现了前端和后端生产之间的平衡,利用高效的换线机制降低了能耗。效率的提高不仅限制了材料浪费,还减少了对环境的影响,使制造商能够采用绿色生产方式,推动整个面板行业向可持续发展转型。
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Sustainable scheduling of TFT-LCD cell production: A hybrid dispatching rule and two-phase genetic algorithm

TFT-LCD manufacturing process involves Array, Color Filter (CF), Cell, and Module. The Cell process is pivotal in the TFT-LCD production supply chain; it bridges the front-end (Array and CF) and back-end (Module), maintaining a balance of production capacities. Supply from the front-end is transmitted to the back-end, ensuring prompt responsiveness to customer demands. As awareness of environmental conservation grows, implementing sustainable development in the TFT-LCD manufacturing industry has become crucial. Specifically, reducing the machine setup frequency in TFT-LCD scheduling decreases energy consumption during machine operation and wait times and prolongs equipment lifespan by minimizing wear from repeated shutdowns. To tackle the intricate scheduling challenges within TFT-LCD production, this study proposes an intelligent, sustainable scheduling approach that employs a rolling dispatching and line balancing mechanism and a two-phase genetic algorithm (HDTPGA) for Cell scheduling. The goal is to minimize makespan considering product diversity, production constraints, work-in-process balancing, and machine setup frequency. This holistic approach promotes energy-efficient and sustainable manufacturing practices. According to the empirical study, the proposed HDTPGA reduces the makespan by approximately 10% compared to the baseline. Additionally, it reduces the average daily setup frequency of bottleneck stages (ODF and CCT) in the Cell process by approximately 68.25% and 66.25%, respectively. The main contribution of this paper is to propose an intelligent scheduling algorithm to optimize Cell production scheduling in practice. The HDTPGA achieves equilibrium between front-end and back-end production, utilizing an efficient line change mechanism to reduce energy consumption. The enhancement in efficiency not only restricts material waste but also reduces the environmental impact, enabling manufacturers to adopt green production practices and promoting a transition of the entire panel industry toward sustainability.

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来源期刊
International Journal of Production Economics
International Journal of Production Economics 管理科学-工程:工业
CiteScore
21.40
自引率
7.50%
发文量
266
审稿时长
52 days
期刊介绍: The International Journal of Production Economics focuses on the interface between engineering and management. It covers all aspects of manufacturing and process industries, as well as production in general. The journal is interdisciplinary, considering activities throughout the product life cycle and material flow cycle. It aims to disseminate knowledge for improving industrial practice and strengthening the theoretical base for decision making. The journal serves as a forum for exchanging ideas and presenting new developments in theory and application, combining academic standards with practical value for industrial applications.
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