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This paper presents an incipient machine degradation assessment method based on multifractal theory and Mahalanobis-Taguchi system (MTS), which help to differentiate the incipient fault stage and assess the degradation degree as well. According to different machine degradation states, the feature parameters from multifractal aspects are first calculated and further optimized by a MTS statistical method,...
An incipient mechanical fault detection method, combining multifractal theory and Mahalanobis-Taguchi system (MTS), which is based on statistical technology, is proposed in this paper. Multifractal features of vibration signals obtained from machine state monitoring are extracted by multifractal spectrum analysis and generalized fractal dimensions. Considering the situation of mass samples of normal...
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