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|Title:||Using neural network for tool condition monitoring based on wavelet decomposition|
|Authors:||Hong, G.S. |
|Source:||Hong, G.S., Rahman, M., Zhou, Q. (1996-05). Using neural network for tool condition monitoring based on wavelet decomposition. International Journal of Machine Tools and Manufacture 36 (5) : 551-566. ScholarBank@NUS Repository. https://doi.org/10.1016/0890-6955(95)00067-4|
|Abstract:||This paper presents a neural network application for on-line tool condition monitoring in a turning operation. A wavelet technique was used to decompose dynamic cutting force signal into different frequency bands in time domain. Two features were extracted from the decomposed signal for each frequency band. The two extracted features were mean values and variances of the local maxima of the absolute value of the composed signal. In addition, coherence coefficient in low frequency band was also selected as a signal feature. After scaling, these features were fed to a back-propagation neural network for the diagnostic purposes. The effect on tool condition monitoring due to the presence of chip breaking was studied. The different numbers of training samples were used to train the neural network and the results were discussed. The experimental results show that the features extracted by wavelet technique had a low sensitivity to changes of the cutting conditions and the neural network has high diagnosis success rate in a wide range of cutting conditions.|
|Source Title:||International Journal of Machine Tools and Manufacture|
|Appears in Collections:||Staff Publications|
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