Ranking Decision Making Units with Negative and Positive Input and Output

F Hosseinzadeh Lotfi; M. Piri

Volume 3, Issue 3 , September 2014, , Pages 69-74

Abstract
  Data Envelopment Analysis (DEA) is a nonparametric method for measuring the efficiency of Decision Making Units (DMUs) which was first introduced by Charnes, Cooper and Rhodes in1978 as the CCR model .One of the most important topics in management science is determining the efficiency of DMUs. DEA technique ...  Read More

A New Approach in Joint Optimization of Maintenance Planning, Process Quality and Production Scheduling

N. Manavizadeh; E. Azizi Javan

Volume 3, Issue 2 , May 2014, , Pages 24-32

Abstract
  Shop floor performance has great influence on performance of a manufacturing system. Traditionally, shop floor operational policies concerning maintenance scheduling, quality control and production scheduling have been considered and optimized independently. Anyway, these aspects of operations planning ...  Read More