A Study of Probabilistic Diagnosis Method for Three Kinds of Internal Combustion Engine Faults Based on the Graphical Model

Figure 10

Comparison between fault and nonfault vibration speed values of bearing wear fault ((a) with load of 0 N·m; (b) with load of 100 N·m; (c) with load of 200 N·m; (d) with load of 500 N·m; (e) with load of 600 N·m; (f) with load of 800 N·m; (g) with load of 1000 N·m; (h) with load of 1200 N·m).

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)