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