Rotating Machinery Remaining Useful Life Prediction Scheme Using Deep-Learning-Based Health Indicator and a New RVM

Figure 6

The HI curve constructed by different method. (a) Root-mean-square-based HI. (b) Kurtosis-based HI. (c) Crest-factor-based HI. (d) Peak-peak-based HI. (e) CNN-based HI. (f) LSTM-based HI. (g) Hybrid-structure-based HI.

(a)

(b)

(c)

(d)

(e)

(f)

(g)