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Applying of AHP methodology and weighted properties method to the selection of optimum alternative of stock material (CROSBI ID 158038)

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Šimunović, Katica ; Galović, Mario ; Šimunović, Goran ; Svalina, Ilija Applying of AHP methodology and weighted properties method to the selection of optimum alternative of stock material // Acta Technica Corviniensis, 2 (2009), 3; 65-69

Podaci o odgovornosti

Šimunović, Katica ; Galović, Mario ; Šimunović, Goran ; Svalina, Ilija

engleski

Applying of AHP methodology and weighted properties method to the selection of optimum alternative of stock material

In this paper, AHP (analytical hierarchy process) methodology and weighted properties method have been compared and applied to the selection of optimum alternative of stock material and manufacturing process. Three alternatives (stock materials) for the manufacturing of work piece are evaluated: rod, plate and tube. Six criteria were defined: stock material costs, stock material preparation costs, manufacturing costs, as well as material availability and purchase possibility, machinability and total material utilization. It can be concluded that the criteria weights can be more precisely defined by the AHP methodology using the Saaty scale than using the digital logic method. However, subjectivity is playing a great role in both of methods. Subjectivity is included to the comparison of alternatives by the original AHP methodology, also. Contrary, by using weighted properties method there is no subjectivity concerned of alternatives because of dealing with transformed values of criteria. From the viewpoint of costs, the best alternative, calculated by both of methods is steel tube machining.

APH methodology; weighted-properties method; criteria weights

Rad je preztentiran na skupu: 9th International Scientific Conference New Trends in Technical Systems Operation, održanom od 05.-06.11.2009., Prešov, Slovačka ; objavljen u Zborniku : TSO Conference 2009 ; Prešov : Faculty of Manufacturing Technologies of the Technical University in Košice ; str. 140-143 ; ISBN 978-80-553-0312-3.

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Podaci o izdanju

2 (3)

2009.

65-69

objavljeno

2067-3809

Povezanost rada

Strojarstvo