The Contact State Monitoring for Seal End Faces Based on Acoustic Emission Detection

Table 4

The detection rates.

Method	Detection rate
	Face-contact	Face-opening	Face-separate	Average
Paper’s method	100%	91.7%	95.8%	95.8%
Laplace wavelet with coherent coefficient	87.5%	29.2%	91.7%	69.4%
Wavelet packet and RBF ANN	91.7%	54.2%	91.7%	79.2%
PF and cascade ANN [24]	95.8%	83.3%	95.8%	91.7%