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Full-Text Articles in Operations Research, Systems Engineering and Industrial Engineering
Optimal Batch Quantity Models For A Lean Production System With Rework And Scrap, Pablo Biswas
Optimal Batch Quantity Models For A Lean Production System With Rework And Scrap, Pablo Biswas
LSU Master's Theses
In an imperfect manufacturing process, the defective items are produced with finished goods. Rework process is necessary to convert those defectives into finished goods. As the system is not perfect, some scrap is produced during this process of rework. In this research, inventory models for a single-stage production process are developed where defective items are produced and reworked, where scrap is produced, detected and discarded during the rework. Two policies of rework processes are considered (a) First policy: rework is done within the cycle, and (b) Second policy: rework is done after N cycles of normal production. Also, three types …
Supply Chain Models For An Assembly System With Preprocessing Of Raw Materials, Mohammad Anwar Ashek Rahman
Supply Chain Models For An Assembly System With Preprocessing Of Raw Materials, Mohammad Anwar Ashek Rahman
LSU Master's Theses
An assembly line that procures raw materials from outside suppliers and processes the materials into finished products is considered in this research. An ordering policy is proposed for raw materials to meet the requirement of a production facility, which, in turn, must deliver finish products in a fixed quantity at a fixed time interval to the outside buyers. Two different types of raw materials, ‘unfinished’ and ‘ready-to-use’, are procured for the manufacturing system. The ‘unfinished raw materials’ are turned into ‘processed raw materials’ after preprocessing. In the assembly line, the ‘processed raw materials’ and the ‘ready raw materials’ are assembled …