Journal
WEAR
Volume 268, Issue 5-6, Pages 708-714Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.wear.2009.11.008
Keywords
Polymer composites; Wear; Friction; Artificial neural network; Pruning; Optimal brain surgeon algorithm
Funding
- German Research Foundation [DFG FR 675/45-1]
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In the present study artificial neural network (ANN) approach was used for the prediction of wear and friction properties of polyphenylene sulfide (PPS) composites. Within an importance analysis the relevance of characteristic mechanical and thermo-mechanical input variables was assessed in predicting the response variable (specific wear rate and coefficient of friction). The latter is believed to be of help for a better understanding of the wear process with these materials. An optimal brain surgeon (OBS) method was applied to prune the ANN architecture by identifying and removing irrelevant nodes in its structure. The goal was minimizing the training computational cost and improving prediction. Finally, the optimized ANN was utilized to gain knowledge for the tribological properties of new material combinations, which were not tested. The quality of prediction was good when comparing the predicted and real test values. (c) 2009 Elsevier B.V. All rights reserved.
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