Internal Combustion Engine Fault Identification Based on FBG Vibration Sensor and Support Vector Machines Algorithm
Table 2
Experimental conditions set of valve experiment.
fault type
intake gap (mm)
outlet gap (mm)
load rate (%)
engine speed (rpm)
number of experiments
I
0.3
0.5
0
800
9
1000
9
1200
9
II
0.3
0.7
0
800
9
1000
9
1200
9
III
0.3
0.9
0
800
9
1000
9
1200
9
IV(normal state)
0.3
0.4
0
800
9
1000
9
1200
9
V
0.5
0.4
0
800
9
1000
9
1200
9
VI
0.7
0.4
0
800
9
1000
9
1200
9
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