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Science and Technology of Nuclear Installations
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Science and Technology of Nuclear Installations
/
2012
/
Article
/
Tab 4
/
Research Article
Nuclear Power Plant Instrumentation Fault Detection Using Fuzzy Logic
Table 4
Deviations and frequencies of occurrence computed for pressurizer pressure signals.
Signal pair
Before day 200
After day 200
Deviation (
δ
)
Frequency of occurrence
(
,
,
)
Deviation (
δ
)
Frequency of occurrence
(
,
,
)
1-2
10.4
0%, 16%, 99%
4.7
32%, 100%, 0%
1-3
12.2
0%, 4.5%, 98%
3.5
100%, 100%, 0%
1-4
12.8
0%, 4%, 100%
6.8
0%, 100%, 76%
2-3
2.24
100%, 37%, 0%
1.2
100%, 4%, 0%
2-4
2.46
100%, 30%, 0%
2.1
100%, 6%, 0%
3-4
2.36
100%, 19%, 0%
3.3
100%, 100%, 0%