Multiobjective Optimization - Possibility for Production Improvement

Ćosić, Predrag and Lisjak, Dragutin and Lati, Valentina (2011) Multiobjective Optimization - Possibility for Production Improvement. = Multiobjective Optimization - Possibility for Production Improvement. In: 34th International Conference on Production Engineering, Proceedings, Proizvodno mašinstvo, 28.-30.09. 2011., Niš, Srbija.

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Abstract

In the previous research strong correlation was discovered between the features of the product drawing and production time, which has resulted with 8 regression equations. They were realized using stepwise multiple linear regressions. Since the optimization of these regression equations did not fully define the most frequent requirements, multiobjective optimization was applied. The applied criteria included: minimum production time, maximum work costs/total costs ratio for a group of workpieces. The group was created using specific classifiers that defined similar workpieces. A STEP model with seven decision variables within a group was applied, and the groups with a high index of determination were selected. Independent values that maximize the work costs/total costs ratio and minimize production times were determined. The obtained regression equations of time production parts and work costs/total costs ratio are included in the objective functions to reduce production time and increasing, work costs/total costs at the same time. The values of decision variables that minimize production time and maximize work costs/total costs ratio were determined. As the solution of the described problem, multicriteria interactive STEP method was applied.

Item Type: Conference or Workshop Item (Lecture)
Keywords (Croatian): stepwise multiple linear regression, multiobjective optimization, STEP method
Subjects: TECHNICAL SCIENCE > Mechanical Engineering
Divisions: 700 Department of Industrial Engineering > 710 Chair of Production Design
700 Department of Industrial Engineering > 720 Chair of Production Control
Indexed in Web of Science: No
Indexed in Current Contents: No
Date Deposited: 28 Jun 2016 14:22
Last Modified: 10 Jan 2018 12:33
URI: http://repozitorij.fsb.hr/id/eprint/5983

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