Structural Health Monitoring Using Smart Sensors - ideals ...
Structural Health Monitoring Using Smart Sensors - ideals ...
Structural Health Monitoring Using Smart Sensors - ideals ...
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PC<br />
Base<br />
station<br />
Manager<br />
sensor<br />
3e<br />
Cluster<br />
heads<br />
Leaf nodes<br />
ProcessInstruction(3d)<br />
Report to the base station<br />
3e<br />
3e<br />
data<br />
data<br />
3e<br />
3e<br />
ProcessInstruction(54)<br />
Inform cluster heads that data<br />
is ready for broadcast<br />
If all cluster heads have<br />
broadcast data,<br />
-ProcessInstruction(40)<br />
55<br />
55<br />
ProcessInstruction(55)<br />
broadcast NExT parameters<br />
5 5<br />
ProcessInstruction(5)<br />
ProcessInstruction(6)<br />
ProcessInstruction(6)<br />
broadcast reference sensor<br />
signal<br />
ProcessInstruction(5)<br />
Store<br />
-NExT parameters<br />
7 7<br />
54<br />
ProcessInstruction(7)<br />
broadcast Instruction 54<br />
54<br />
ProcessInstruction(7)<br />
Store<br />
-reference sensor signal<br />
40 40<br />
Correlation function estimation<br />
if need more averaging<br />
ProcessInstruction(e)<br />
else<br />
ProcessInstruction(41)<br />
Correlation function estimation<br />
ProcessInstruction(e)<br />
Inquire of leaf nodes whether<br />
correlation functions are<br />
estimated<br />
f<br />
f<br />
ProcessInstruction(f)<br />
answer inquiry<br />
20<br />
20<br />
ProcessInstruction(20)<br />
If answers from all nodes<br />
-ready for measurement<br />
ProcessInstruction(32)<br />
else<br />
-ProcessInstruction(e)<br />
32<br />
ProcessInstruction(41)<br />
ProcessInstruction(48)<br />
ProcessInstruction(48)<br />
if not reported<br />
Report correlation function to<br />
the base station<br />
else<br />
ask leaf nodes to report to<br />
the base station<br />
4a<br />
4a 49<br />
49<br />
Figure 7.29. The implementation block diagram of monitoring in a sensor community (4).<br />
133