Bearing Degradation Process Prediction Based on the Support Vector Machine and Markov Model

Table 4

The corrected results of the points 70–85 based on Markov model.

Point	SVM model prediction error	Relative error (%)	SVM-Markov model prediction error	Relative error (%)
70	−0.13711	84.37%	−0.1025	63.07%
71	−0.13712	79.91%	−0.1235	71.97%
72	−0.03195	16.92%	−0.0121	6.41%
73	−0.02958	12.85%	0.0965	41.92%
74	−0.19645	84.44%	−0.09512	40.88%
75	−0.18364	84.21%	−0.10236	46.94%
76	0.24355	93.60%	0.01043	4.01%
77	0.43612	79.88%	0.03542	6.49%
78	0.20092	54.00%	−0.07646	20.55%
79	−0.05844	23.60%	−0.01574	6.36%
80	0.76262	344.98%	0.13262	59.99%
81	0.14341	26.80%	0.03562	6.66%
82	0.28256	114.19%	0.20302	82.05%
83	0.1326	49.59%	−0.00251	0.94%
84	0.3338	2061%	0.03291	203.20%
85	0.18377	1132.15%	0.06548	403.40%