A Study of Improving Machine Allocation for a Flexible Flow Line – A Case of TFT-LCD Cell Manufacturing
碩士 === 元智大學 === 工業工程與管理學系 === 97 === In recent years, as Optical-Electronics Technology rapidly improves, the TFT-LCD products have been extensively used in various electronic equipments such as notebooks, computers, liquid TVs and monitors. To increase the productivity, the effective utilization of...
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| Format: | Others |
| Language: | zh-TW |
| Published: |
2009
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| Online Access: | http://ndltd.ncl.edu.tw/handle/46648405840639242486 |
| Summary: | 碩士 === 元智大學 === 工業工程與管理學系 === 97 === In recent years, as Optical-Electronics Technology rapidly improves, the TFT-LCD products have been extensively used in various electronic equipments such as notebooks, computers, liquid TVs and monitors. To increase the productivity, the effective utilization of the machines in the TFT-LCD manufacturing stages is critical. The research explores a superior allocation plan for machines in each stage of the Cell manufacturing line at a company in Taiwan, using total completion time (makespan) as the performance evaluation standard.
After collecting production engineers’ opinion and relevant data, three alternatives are then considered: (1) current allocation; (2) a feasible alternative allocation; (3) flow shop allocation. A set of benchmark instances are generated according to the relevant demand and manufacturing data of various products in a time span. A simulated annealing (SA) heuristic with a powerful local search scheme termed FBI (forward/backward improvement) is applied to solve the test instances. The experimental results indicate that flow shop facility layout is preferred when makespan is used for comparison.
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