Casing Vibration Fault Diagnosis Based on Variational Mode Decomposition, Local Linear Embedding, and Support Vector Machine

Table 6

Classification results with different selected numbers of training samples.

Training samples/testing samples	Training data	RBF	PNN	1-v-r	H-SVMs	1-v-r with PCA	H-SVMs with PCA	1-v-r with LLE	H-SVMs with LLE
120/216	Amp + Freq + VMD	85.0%	87.4%	95.9%	93.4%	94.3%	91.3%	97.1%	96.0%
	Amp + Freq + VMD + Omega	84.8%	87.4%	96.6%	95.0%	94.3%	91.3%	97.3%	95.9%
168/168	Amp + Freq + VMD	87.2%	88.3%	96.4%	94.8%	95.6%	94.5%	98.3%	97.4%
	Amp + Freq + VMD + Omega	86.5%	88.3%	97.1%	96.3%	95.6%	94.5%	98.2%	97.1%
216/120	Amp + Freq + VMD	91.8%	90.6%	97.9%	96.3%	97.3%	95.4%	98.9%	98.3%
	Amp + Freq + VMD + Omega	91.8%	90.6%	98.4%	97.2%	97.4%	95.3%	98.9%	98.3%