Closed-Loop Fault Diagnosis of SDR Using Gap Metric, PCA, and Kalman’s Principle

Table 2

Simulation conditions.

Parameters	Physical meaning	Value	Unit	Parameters	Physical meaning	Value	Unit
	Parameters in the function	0.3	/		The variance when estimating pressure from	0.01	MPa^2
	Correction coefficient	100	/	R	The variance when estimating pressure from	0.01	MPa^2
	Delay in estimating pressure from	100h	s		The sampling period	0.01	s
	Precision degradation monitoring threshold	0.01	/		Parameters in the function	0.01	/
	Individual sensor isolation thresholds	0.1	/		Both sensors isolation thresholds	0.1	/
	The measurement noise	0.2%	/		The newly added error in the failure of precision degradation	0.8%	/