Journal
JOURNAL OF TERRAMECHANICS
Volume 56, Issue -, Pages 37-47Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jterra.2014.08.002
Keywords
ANFIS; Energy efficiency; Traction coefficient; Tractive power efficiency
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The objective is to assess the potential of adaptive neuro-fuzzy inference system (ANFIS) for the prediction of energy efficiency indices of driving wheels (i.e. traction coefficient and tractive power efficiency). The output parameters were evaluated as affected by the tire parameters of wheel load at three different levels, velocity at three different levels and slippage at three different levels with three replications forming a total of 81 data points. ANFIS with a hybrid method of the gradient descent and the least-squares method was applied to find the optimal learning parameters using various membership functions (MFs). Statistical performance parameters of mean square error (MSE) and coefficient of determination, R-2, were considered as the modeling evaluation criteria. The implementations divulged that Gaussian membership function (gaussmf) and Trapezoidal membership function (tramf) configurations were found to denote MSE of 0.0166 and R-2 of 0.98 for traction coefficient while MSE equal to 1.5676 and R-2 equal to 0.97 for the tractive power efficiency were obtained. (C) 2014 ISTVS. Published by Elsevier Ltd. All rights reserved.
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