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

Figure 8

Comparison between fault and nonfault vibration acceleration values of cylinder knock 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)