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Lin, Chin-Tsai,Chen, Chie-Bein,Chang, Che-Wei 한국품질경영학회 2002 The Asian Journal on Quality Vol.3 No.1
Silicon wafer slicing manufacturing process exhibits several characteristics. They are: (1) the product type is small batch production, (2) saw cutting must be very precise, (3) the process run time is long, and (4) inspecting samples is difficult. Furthermore, the process involves several synchronously occurred multiple quality characteristics, such as thickness(THK), bow and warp, which must be closely monitored and controlled. Synchronously monitoring multiple quality characteristics is more expensive than monitoring a single quality characteristic in the manufacturing process. The sizes of inspected samples in the existing process are difficult to maintain the quality control chart. Grey situation decision method is used to screen the worst quality characteristic from the synchronously occurred multiple quality characteristics to monitor the process. Finally, a case study is presented to demonstrate the feasibility and effectiveness of proposed decision method. The exponential weighted moving average (EWMA) control chart is used to verify that the process quality is more reliable.
메타버스를 활용한 건설 근로자 학습 플랫폼에 대한 기초연구 - AWP(Advanced Work Package)의 활용을 중심으로 -
전재욱(Jun, Jae-Wook),김인채(Kim, In-Chie),진상윤(Chin, Sang-Yoon) 대한건축학회 2022 대한건축학회 학술발표대회 논문집 Vol.42 No.1
To overcome low productivity, a chronic problem in the construction industry, the purpose of this study is to plan a construction worker education platform based on metaverse, and to utilize AWP (Advanced Work Package) for efficient work process education. Therefore, we examined how the metaverse is being used in other industries and explored the conditions for maximizing the educational effect of the metaverse and the use cases of smart technologies. Based on the research and considerations, a smart phone-based construction site experience platform with metaverse was proposed. Role and Responsibility of each construction project participant was proposed within the platform. In the conclusion, we discussed how the platform can be used additionally and extra research plans for realization of the platform.