在能源耗竭與溫室效應的雙重壓力下，各國政府為了降低對石化燃料的依賴，轉向可再生能源發展已成為新的趨勢，其中又以兼具安全與環保優點的太陽能最為大家所重視。由於產業前景樂觀吸引各國大量投資，最終形成供過於求的產業結構。
2008年發生全球金融海嘯，各國政府因財政不佳而縮減補貼政策，但中國業者反而在國內政策支持下大量擴產，迫使美國與歐盟於2012年祭出雙反(反傾銷, 反補貼) 政策，導致全球太陽能產業更是雪上加霜。安裝數量雖然持續增加，但產業毛利率卻不斷下探，因此太陽能製造商只有提升品質，降低成本以及強化財務結構，才有機會在嚴酷的產業淘汰賽中勝出。
本研究之個案為台灣太陽能電池與模組的製造公司，因應終端商品價格下降的壓力，於企業內部成立跨部門專案小組，運用精實六標準差管理手法之界定、量測、分析、控制(Define、Measure、Analyze、Improve、Control, DMAIC)等五大步驟找出生產流程中浪費行為與網版破裂的關鍵因素，並以虛實整合系統（Cybr Physical System，CPS）結合機台數據與感知設備對環境與原料變異做即時性的監控與調整。最終將太陽能網板使用壽命由18,501刷次提升至50,000刷次以上，除了大幅降低原物料用量之外，機台可生產時間也因為網版更換頻率降低而同步增加，進而達到多重成本下降之複合效益。

Under the dual pressures of energy depletion and greenhouse effect, renewable energy development has become a new trend for governments to to reduce their dependence on fossil fuels. Among them, solar energy, which combines the advantages of safety and environmental protection, is the most important item. As the industry outlook is optimistic which attracts a large amount of investment from various countries, it gradually forms an industrial structure with oversupply.
In 2008, the global financial crisis occurred. Governments reduced their subsidy policies due to poor fiscal conditions. However, Chinese companies expanded their production with the support of domestic policies during this period of time, which forced the United States and the European Union to issue double-anti (anti-dumping, anti-subsidy) policies in 2012. This resulted in the oversupply situation in the global solar industry became worser. Although the number of installations continues to increase, the industry's gross profit margin continues to drop. As a result, solar manufacturers can only win in the harsh industry knockouts by improving quality, reducing costs and strengthening the financial structure.
The case of this study is a Taiwan's solar cell and module manufacturing company. In response to the pressure of lowering the price of end products, an inter-departmental task force was set up to implement “Lean six-sigma” which contains steps of Define, Measure, Analyze, Improve and Control (DAMIC). The goalof this project is to find out the key factors of wasteful actions and screen rupture in the production process, and make real-time monitoring and adjustments to the environment and raw material variation in a Cyber-Physical System environment. The implemented life time of solar cell printing screen was greatly increased from 18,501 times to 50,000 times. In addition to drastically reduction on the amount of raw materials, the production time of the machine was also increased synchronously due to the decrease in the frequency of the screen replacement, thereby achieving the combined benefits of multiple cost reductions.

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