PARALLEL PRODUCTION SYSTEMS WITH INTERVAL DATA AND ITS INTERVAL EFFICIENCIES
Publish place: 4th Conference on Data Envelopment Analysis
Publish Year: 1391
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
DEA04_005
تاریخ نمایه سازی: 10 اردیبهشت 1392
Abstract:
Parallel production system consists of a number of divisions which operate independently within the system. When all data have crisp values, according to previous researches, the system efficiency is measured from a relational data envelopment analysis model. The system efficiency is a weighted average of the division efficiencies. The aim of this paper is to present a pair of two-level programming models to compute the lower and upper bounds of the interval system and divisional efficiencies. Also, the relationship between the system efficiency and the divisional efficiencies is investigated. Since the system efficiency and divisional efficiencies are expressed by interval numbers rather than by crisp values, more information is provided to make decisions.
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Authors
Ali Abbasi Molai
School of Mathematics and Computer Science, Damghan University, Damghan, P.O.Box ۳۶۷۱۵-۳۶۴, Iran
Seyyed Hashem Mousavipour
School of Mathematics and Computer Science, Damghan University, Damghan, P.O.Box ۳۶۷۱۵-۳۶۴, Iran