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Supply Chain Complexity in the Semiconductor Industry: Assessment from System View and the Impact of Changes

机译：半导体行业的供应链复杂性：从系统角度评估和变化的影响

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The semiconductor industry is considered to be one of the most complex industries, not only due to more than 500 processing steps involved in the manufacturing and various products, but also the harsh environment it faces, e.g., the volatile electronic market and the unpredictable demand. On the one hand, companies have to adapt their behaviors to the changing environment; on the other hand, many changes inevitably bring in the complexities and challenges to the supply chain management. Our research strategy is to build a general model for complex systems first and then generate the supply chain instance model from it. A complex system can be decomposed into three levels: subsystem, component and part. The part level is the lowest level which defines four types of key elements (process, role, object and its states) and different relationships among each other. Various types of complexity are discussed, and changes and their potential impact on the system complexity are also analyzed. We use an instance model from the semiconductor supply chain to illustrate the system modeling, specify the features of each element on the part level and propose the metrics of complexity measurement. Consequently, two scenarios are compared by calculating the variation of their overall complexity. The intermediate results of doctoral research are presented and the future research is also planned.
机译：半导体行业被认为是最复杂的行业之一，不仅因为制造和各种产品涉及500多个加工步骤，而且还因为它所面临的严酷环境（例如电子市场动荡和需求不可预测）。一方面，公司必须使其行为适应不断变化的环境。另一方面，许多变化不可避免地给供应链管理带来了复杂性和挑战性。我们的研究策略是首先为复杂系统建立通用模型，然后从中生成供应链实例模型。复杂的系统可以分解为三个层次：子系统，组件和零件。部件级别是最低级别，它定义了四种关键元素（过程，角色，对象及其状态）以及彼此之间的不同关系。讨论了各种类型的复杂性，并分析了变化及其对系统复杂性的潜在影响。我们使用来自半导体供应链的实例模型来说明系统建模，在零件级别上指定每个元素的功能，并提出复杂度测量的指标。因此，通过计算两种方案总体复杂度的变化来比较两种方案。介绍了博士研究的中间结果，并计划了未来的研究。

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