Kesintili öğrenme eğrileri üzerine bir uygulama

Öğrenme eğrileri, tekrarlı esasta yapılan işlerde, insanların deneyim kazanmalan ve neticede işi yapmak için gerekli olan zamanın azalması mantığına dayanan ve en genel anlamda birim üretim zamanı ve ardışık üretim birimleri arasındaki ilişkiyi gösteren basit bir çizgi olarak tarif edilir. Bu makalede, özellikle, Öğrenme eğrilerinin bir parti üretiminde sabit olmayıp değişkenlik göstermesi ve neticede eğride birden fazla eğimin oluşması durumu incelenmiş ve bununla ilgili olarak bir örnek durum çalışması verilmiştir.

An application on learning curves with interruptions

Human performance of activities typically shows improvement when the activities are done on a repetitive basis : the time required to perform a task decreases with increasing repetitions. Learning curves summarize this phenomenon. A learning curve, in its basic form, is simply a line displaying the relationship between unit production time and the number of consecutive units of production. In this paper, especially learning curves with more than one slope are considered and investigated. In addition a case study is given for this situation.

___

1.Gürlek, B., "Öğrenme eğrileri ve uygulamaları", MPM Verimlilik Dergisi, (1), 29-41, (1993).
2.Wright, T.P., "Factor affecting the cost af airplanes", Journal of Aeronautical Sciences, 3(4), 122-128, (1936).
3.Hancock, W.M., "The prediction of learning rates for manuel operations", Journal of Industrial Engineering,.1-8(1), 42-47, (1967).
4.Bevis, F.W., Finnicat, C. And Towill, D.R., "Prediction of operator performance during learning of repetitive tasks", International Journal of Production Research 8,293-305,(1970).
5.Womer, N.K., "Learning curves, production rate and program cost", Management Science, 25(4), 312-319, (1979).
6.Womer, N.K., "Estimating learning curves from aggregate montly data", Management Science, 30(8), 982-992, (1984).
7.Yelle, L.E., "Learning curves: Historical review and, comprehensive survey", Decision Sciences, 10, 302-328, (1979).
8.Fisk, C. And Ballou, D.P., "Production lot sizing under a learning effects", IIE Transactions, 14,257-264,(1982).
9.Chen, J.T., "Modelling learning curve and learning complementarity, for resource allocation and production scheduling", Decision Science, 14, 170-186, (1983).
lO.Kopcso, D.P., and Nemitz, W.C., "Learning curves and lot sizing for independent and dependent demand", Journal of Operations Management, 4(1), 73-83,(1983)
ll.Smunt, T.L., "A comparison of learning curve analysis and moving average ratio analysis for detailed operational planning", Decision Science, 17(4), 475-495, (1986).
12.Cherrington, J.E., Lippert, S. And Towill, D.R., "The effects of prior experience on learning curve parameters". International Journal of Production Research,25(3), 399-411,(1987).
13.Bailey, CD., "Forgetting and the learning curve: a laboratory study". Management Science, 35(3), 346-352, (1989).
14.Sparks, C, and Yearout, R., "The impact of visual display units used for highly cognitive tasks on learning curve models", Computers and Industrial Engineering, 19(4), 351-355, (1990).
15.Buck, J.R., Wendy, S. And Cheng, J., "Instructions and feedback effects on speed and accuracy with different learning curve models", IIE Transactions, 25(6), 34-47, (1993).
16.Arzi, Y., and Shtub, A., "Learning and forgetting in mental and mechanical tasks: a comparative study", IIE Transactions, 29, 759-768, (1997).
17.Bailey, CD., and Mclntyre, E.V., "The relation between fit and prediction for alternative forms of learning curves and releaming curves", IIE Transactions, 29, 487-495,(1997).
18.Stevenson, W.J., Production / Operations Management, Fourt Edition, Irwin, (1993).
19. Krajewski, L.J. and Ritzman, L.P., Operations Management: Strategy and Analysis, Third Edition, Addison-Wesley Publishing Company, (1993).
20.Chase, R.B., and Aquilano, N.J., Production and Operations Management : A Life Cycle Approach, Sixth Edition, Irwin, (1992).