Sensor Failure Detection in Road Tunnel Ventilation
Sensor Failure Detection in Road Tunnel Ventilation
Sensor Failure Detection in Road Tunnel Ventilation
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5. Illustrative Example of <strong>Sensor</strong> <strong>Failure</strong> <strong>Detection</strong><br />
Collected TC, AV and VI data from Kawasaki Koro <strong>Tunnel</strong> and run the Method<br />
ΔAV[m/s]<br />
ΔVI [%]<br />
10<br />
5<br />
0<br />
-5<br />
-10<br />
20<br />
10<br />
0<br />
-10<br />
-20<br />
12:00<br />
14:00<br />
3σ<br />
3σ<br />
16:00<br />
18:00<br />
∆AV(=AVmeasured-AVpredicted); ∆VI (=VImeasured-VIpredicted)<br />
20:00<br />
The sensor failure is detected at time 01:00.<br />
22:00<br />
00:00
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