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14
Siemens Building T
echnologies
Cerberus Division
Application diagnoses
The detector has an automatic diagnosis evaluation facility based on complex fuzzy algo-
rithms. The raw data are treated by 4 different filters. Each filter assesses a special cha-
racteristic of the signal: Gradient, noise, asymmetry, jump.
Filter
Typical events and results for the 4 filters:
U
Raw data
Raw data
U
Raw data
U
Raw data
U
Fire
G
Time
Thermal turbulence
R
Time
Repeated interruptions
A
Time
Test filter
S
Time
Gradient indicator
Noise indicator
Asymmetry indicator
Jump indicator
Time
Time
Time
Time
e1276e
09.2000
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