Research Article

Condition Monitoring of Sensors in a NPP Using Optimized PCA

Table 1

False alarm probability of and statistics in 5 PCA models.

ā€‰RandomTypeStandard deviationVolatility degreeCorrelation

0.7%02.6%00
(preprocess)0.4%0000
(second confidence)00000
4.0%5.2%5.1%4.2%4.7%
(preprocess)2.7%2.6%2.9%0.7%3.8%
(second confidence)0.4%0.3%0.4%0.3%0.2%