Friction modeling of Al-Mg alloy sheets based on multiple regression analysis and neural networks

• Autorzy: Lemu H. G. , Trzepieciński T. , Kubit A. , Fejkiel R.

Identyfikatory

DOI

10.12913/22998624/68460

• Języki publikacji: EN

Abstrakty

EN

This article reports a proposed approach to a frictional resistance description in sheet metal forming processes that enables determination of the friction coefficient value under a wide range of friction conditions without performing time-consuming experiments. The motivation for this proposal is the fact that there exists a considerable amount of factors affect the friction coefficient value and as a result building analytical friction model for specified process conditions is practically impossible. In this proposed approach, a mathematical model of friction behaviour is created using multiple regression analysis and artificial neural networks. The regression analysis was performed using a subroutine in MATLAB programming code and STATISTICA Neural Networks was utilized to build an artificial neural networks model. The effect of different training strategies on the quality of neural networks was studied. As input variables for regression model and training of radial basis function networks, generalized regression neural networks and multilayer networks the results of strip drawing friction test were utilized. Four kinds of Al-Mg alloy sheets were used as a test material.

Słowa kluczowe

EN

friction coefficient; friction; GRNN; neural networks; RBF network; sheet metal forming

• Wydawca: Lublin University of Technology ; Polish Society of Ecological Engineering (PTIE), Branch of PTIE in Lublin
• Czasopismo: Advances in Science and Technology. Research Journal
• Rocznik: 2017
• Tom: Vol. 11, no 1
• Strony: 48--57
• Opis fizyczny: Bibliogr. 25 poz., fig., tab.

Twórcy

autor

Lemu H. G.

• University of Stavanger, P.O. Box 8600 FORUS, N-4036 Stavanger, Norway

autor

Trzepieciński T.

• Department of Materials Forming and Processing, Rzeszow University of Technology, Al. Powstańców Warszawy 8, 35-959 Rzeszów, Poland

autor

Kubit A.

• Department of Manufacturing and Production Engineering, Rzeszow University of Technology, Al. Powstańców Warszawy 8, 35-959 Rzeszów, Poland

autor

Fejkiel R.

• Stanisław Pigon State School of Higher Vocational Education in Krosno, ul. Rynek 1, 38-400 Krosno, Poland

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017)