2013 Fiscal Year Final Research Report
bridge monitoring system development integrating hybrid synchronized wireless sensor networks and non-contact sensors
| Project/Area Number |
23686066
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| Research Category |
Grant-in-Aid for Young Scientists (A)
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| Allocation Type | Single-year Grants |
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| Research Field |
Structural engineering/Earthquake engineering/Maintenance management engineering
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| Research Institution | The University of Tokyo |
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Principal Investigator |
NAGAYAMA TOMONORI 東京大学, 工学(系)研究科(研究院), 講師 (80451798)
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| Project Period (FY) |
2011-04-01 – 2014-03-31
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| Keywords | 維持管理工学 / 無線センサ / 振動モニタリング / 同期計測 / 非接触計測 |
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| Research Abstract |
Appropriate evaluation of structural performance reduces the uncertainty in design and maintenance of structures and leads to cost reduction and improved safety. Vibration measurement is expected to clarify the validity of FEM. The modeling of bridges needs to be validated based on the global and local scale behaviors. In this research, a measurement system to capture both the global and local vibration modes are developed using the wireless sensor network and non-contact laser doppler vibrometer. The two sensor systems are synchronized using the GPS signals.
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[Presentation] Efficient campaign-type structural health monitoring system using wireless smart sensors2012
Author(s)
Li, J., Nagayama, T., Mechitov, K. A., and Spencer, Jr., B. F
Organizer
Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2012
Place of Presentation
San Diego, USA(of SPIE volume 8345)
Year and Date
20120000
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[Presentation] Preliminary study of low-cost GPS receivers for time synchronization of wireless sensors2012
Author(s)
Kim, R. E., Nagayama, T., Jo, H., and Spencer, Jr., B. F
Organizer
Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2012
Place of Presentation
San Diego, USA(of SPIE volume 8345)
Year and Date
20120000
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[Presentation] Dense vibration measurement of an arch bridge before and after its seismic retrofit using wireless smart sensors2012
Author(s)
Nagayama, T. Urushima, A., Fujino, Y., Miyashita, T., Yoshioka, T., Ieiri, M
Organizer
Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2012
Place of Presentation
San Diego, USA(of SPIE volume 8345)
Year and Date
20120000
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