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To improve the limitation of applying traditional fault diagnosis method to the diagnosis of multi-concurrent vibrant faults of aeroengine, a new diagnosis approach combining the wavelet transform with fuzzy theory is proposed. A novel method based on the statistic rule is brought forward to determine the threshold of each order of wavelet space and the decomposition level adaptively, increasing the...
To improve the limitation of applying traditional fault diagnosis method to the diagnosis of multi-concurrent vibrant faults for aeroengine in aircraft, a novel approach combining the wavelet transform with self-organizing learning array system is proposed. The effective eigenvectors are acquired by binary discrete orthonormal wavelet transform based on multi-resolution analysis. These feature vectors...
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