Mathematical Problems in Engineering

Research Article

Bearing Fault Prognosis Method Based on Priori Knowledge-Enhanced Particle Filter

Table 4

The mean fitting values under 95% confidence interval of parameters of the double exponential model.
ParameterFloor levelUpper level
A2.56 × 10−102.69 × 10−04
B3.76 × 10−045.17 × 10−03
C5.12 × 10−053.66 × 10−04
D3.42 × 10−053.96 × 10−04