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A New Computational Intelligence Approach To Predicting The Machined Surface Roughness In Metal Machining, Ning Fang, P. Srinivasa Pai
A New Computational Intelligence Approach To Predicting The Machined Surface Roughness In Metal Machining, Ning Fang, P. Srinivasa Pai
Engineering Education Faculty Publications
Machined surface roughness is an important parameter used in the evaluation of the surface integrity of machined parts and components. This paper proposes a new computational intelligence approach to predicting the machined surface roughness in metal machining. In this approach, wavelet packet transform (WPT) is incorporated into artificial neural networks (ANN) to develop two ANN models for predicting average roughness Ra and root-mean-square roughness Rq, respectively. Each model has eight inputs, including the cutting speed, the feed rate, energy of wavelet packets for three cutting force components, and energy of wavelet packets for three cutting vibration components. Forty-five machining experiments …