Sensor Fault Diagnosis Based on Fuzzy Neural Petri Net

Table 2

Comparison and validation of different methods.

Reference	[18]		[13]		This study
Source of weight	None		BP algorithm		BP algorithm
Confidence of transition	None		Experts’ experience		Sigmoid function
Reasoning method	Data integration		Calculation and reasoning		The modified reasoning method
Case #	Case 1	Case 2	Case 1	Case 2	Case 1, Case 2
Field fault	p1, p4, p5	p9	p1, p4, p5	p9	p1, p4, p5	p9
Diagnosis results	p1, p4	p9	p1, p4, p5	p9	p1, p4, p5	p9
Undetected	p5		None		None
Correlation			0.7516		0.8865