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helgeson birnie method assembly line balancing excel

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helgeson birnie method assembly line balancing excel This paper presents a technique for comparing the results of different assembly line balancing strategies by using Data Envelopment Analysis (DEA). Initially, several heuristics--which can be thought of as assembly line balancing strategies--were used to solve seven line-balancing problems. The resulting line balance solutions provided two pieces of information that were of particular interest: the number of workers needed and the amount of equipment needed. These two items were considered inputs for DEA. The different line balance solutions were then used as layouts for simulated production runs. From the simulation experiments, several output performance measures were obtained which were of particular interest and were used as outputs for DEA. The analysis shows that DEA is effective in suggesting which line balancing heuristics are most promising. Assembly line balancing - Data envelopment analysis -...

Journal of Industrial and Systems Engineering

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Journal of Industrial and Systems Engineering Vol. 1, No. 1, pp 70-80 Spring 2007 A Project Scheduling Method Based on Fuzzy Theory Ahmad Soltani1,* , Rasoul Haji2 1 Sharif University of Technology and Engineering Research Institute, Ministry of Agricultural Jahad, P. O. Box: 13445-754, Tehran, Iran (Asoltani@Eri.ac.ir) 2Department of Industrial Engineering, Sharif University of Technology, P. O Box: 11365-9414, Tehran, Iran (haji@sharif.edu) ABSTRACT In this paper a new method based on fuzzy theory is developed to solve the project scheduling problem under fuzzy environment. Assuming that the duration of activities are t...