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A computer simulation approach to evaluating bowl versus inverted bowl assembly line arrangement with variable operation times |
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| Authors: | Biman Das Alberto Garcia-Diaz Corinne A MacDonald Kalyan K Ghoshal |
| Affiliation: | 1. Department of Industrial Engineering, Dalhousie University, Halifax, Nova Scotia, Canada 2. Department of Industrial and Information Engineering, University of Tennessee, Knoxville, TN, USA 3. Department of Industrial Engineering, Texas A&M University, College Station, TX, USA |
| Abstract: | A computer simulation model was used to evaluate a bowl versus inverted bowl assembly line arrangement for normal and exponential distributions and variances equal to 1 and 16. The model was developed on the basis of a realistic case problem and applied to a six-station assembly line. The results show that the inverted bowl is superior to the bowl arrangement for a normal distribution in terms of the total elapsed time evaluation criterion; however, with an exponential distribution, the bowl was found better than the inverted bowl for the same criterion. On the basis of the average percentage of working time and the average time in the system evaluation criteria, the bowl was found superior to the inverted bowl for a normal distribution. Similar results were obtained for an exponential distribution with a variance equal to 1, but no definitive inference could be made with a variance equal to 16. |
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