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جلد 12 شماره 1 صفحات 13-26 برگشت به فهرست نسخه ها
Modeling Dynamic Production Systems with Network Structure
چکیده:  

This paper deals with the problem of optimizing two-stage structure decision making units (DMUs) where the activity and the performance of two-stage DMU in one period effect on its efficiency in the next period. To evaluate such systems the effect of activities in one period on ones in the next term must be considered. To do so, we propose a dynamic DEA approach to measure the performance of such network units. According to the results of proposed dynamic model the inefficiencies of DMUs improve considerably. Additionally, in models which measure efficiency score, undesirable outputs are mostly treated as inputs, which do not reflect the true production process. We propose an alternative method in dealing with bad outputs. Statistical analysis of sub-efficiencies, i.e. efficiency score of each stage, during all periods represents useful information about the total performance of the stage over all periods.

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نوع مطالعه: پژوهشي | موضوع مقاله: عمومى
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Koushki F. Modeling Dynamic Production Systems with Network Structure. IJMSI. 2017; 12 (1) :13-26
URL: http://ijmsi.ir/article-1-467-fa.html
Modeling Dynamic Production Systems with Network Structure. مجله علوم ریاضی و انفورماتیک ایرانیان. 1396; 12 (1) :13-26

URL: http://ijmsi.ir/article-1-467-fa.html

دوره 12، شماره 1 - ( 1-1396 ) برگشت به فهرست نسخه ها
نشریه علوم ریاضی و انفورماتیک Iranian Journal of Mathematical Sciences and Informatics
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