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| Title: | 透過大數據建模建立智慧製造之品質管理解決方案
Using Machine Learning in building a Quality Management System for Intelligent Manufacturing |
| Authors: | 林書琪
Lin, Shu-Chi |
| Contributors: | 羅明琇
郁方
Lo, Ming-Shiow
Yu, Fang
林書琪
Lin, Shu-Chi |
| Keywords: | 品質管理
數位轉型
智慧製造
流程再造
大數據
機器學習
Quality Management
Digital Transformation
Smart Manufacturing
Process Reengineering
Big Data
Machine Learning |
| Date: | 2022 |
| Issue Date: | 2022-08-01 19:00:55 (UTC+8) |
| Abstract: | 全球製造業朝向智慧轉型發展，伴隨物聯網架構、大數據雲端運算系統、人機協同系統、智慧設備等技術成熟，創造新型態的製造環境。但現行製造產業大多僅透過自動化設備進行生產，雖能提升生產力，卻無法提高品質管理效率，仍須耗費人力成本及時間在品質檢測上，且人工抽檢並無法全面且即時的掌握品質狀況，如此一來既會產生不良品成本，更可能使整體品質水準下降，使公司承受聲譽受損的風險。
本研究透過安裝感測器搜集廠內製造環境大數據，以數據模型作為工具輔助企業進行流程再造，消除製造流程中的浪費使之達到精實生產的目標。以雙向深度長短期記憶模型（Bi-directional LSTM Model）作為基礎，加上兩個邏輯規則及其比重 (α 及 β )的模型有最好的預測效果，整體精準度達97.87%。代表本模型能作為科技媒介在流程再造中發揮效果，有效的優化並取代傳統生產流程，不但能夠降低瑕疵品風險，更能降低品質管理成本及其他成本、有效減少浪費，落實精實生產（lean production）的核心目標。此外品質肇因分析模型以可解釋人工智慧架構（Explainable AI）做為基礎，發現轉速對於整體模型的貢獻度最高而頻率及狀態佔比極低，代表轉速很可能是影響品質優劣的原因，後續製程優化亦可從轉速（Speed）作為切入點進行分析，將能有效提高製程優化效率而縮短製程優化研發時間及成本。
The manufacturing industry around the world is developing with digital transformation. With the technologies such as the Internet of Things, big data and cloud computing system, human-robot collaboration system and smart device, it create a new type of manufacturing environment. However, most manufacturing companies only use automated equipment for production but few use other technologies. It can improve productivity, but cannot improve the efficiency of quality management. It still takes labor costs and time to do quality inspection. In addition, sampling inspection by people cannot understand the quality status comprehensively and instantly. It make the quality level lower and incur the cost of defective products, more likely to expose the company to the risk of reputational damage.
Therefore, this research will aim to reduce process waste and assist enterprises in process reengineering through data modeling. By installing sensors to collect the big data of the manufacturing environment in the factory, Combination Rule Bidirectional LSTM Model is used to build a quality prediction model. The prediction accuracy of the Model achieves 97.87%. It means that this model can be used as a technological medium in process reengineering to effectively optimize or replace traditional production processes. It can not only reduce the risk of defective products, but also reduce the cost of quality management. Companies can easily reduce waste and implement the core goal of lean production.
In addition, the quality cause analysis model built by Explainable AI can provide analysis suggestions for process optimizers. It can effectively improve the efficiency of process optimization and shorten the development time and the cost. For example, it can be found from the model that the speed has the highest contribution to the overall model, and the frequency and state proportions are extremely low, which means that the speed is likely to be the reason that affects the quality. Process optimization can be analyzed from the speed as an entry point. |
| Reference: | 一、 英文參考資料
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| Description: | 碩士
國立政治大學
企業管理研究所(MBA學位學程)
109363098 |
| Source URI: | http://thesis.lib.nccu.edu.tw/record/#G0109363098 |
| Data Type: | thesis |
| DOI: | 10.6814/NCCU202201083 |
| Appears in Collections: | [企業管理研究所（MBA學位學程）] 學位論文
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