Modeling and Optimization for Fault Diagnosis of Electromechanical Systems Based on Zero Crossing Algorithm

Table 3

The optimized ɛ value of the four state signals under different SNRs.

SNR = 30	S11	S12	S13	S14
ɛ	0.006	0.048	0.072	0.12
SNR = 5	S21	S22	S23	S34
ɛ	0.02	0.07	0.11	0.20
SNR = −5	S31	S32	S33	S34
ɛ	0.036	0.108	0.144	0.24