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Proceedings Paper

Efficient campaign-type structural health monitoring using wireless smart sensors
Author(s): Jian Li; Tomonori Nagayama; Kirill A. Mechitov; Billie F. Spencer
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Paper Abstract

Wireless Smart Sensor Networks (WSSNs) have attracted great attention in recent years for Structural Health Monitoring (SHM), enabling better understanding of the dynamic behavior of large scale civil infrastructures through dense deployment of sensors. With a fraction of the deployment time and cost compared with wired SHM systems, WSSNs can serve as ideal systems for campaign-type monitoring for (i) short-term, in-service performance evaluation, (ii) postdisaster condition assessment, (iii) design optimization of long-term SHM system before permanent deployment, etc. Efficient data collection is generally needed in campaign monitoring due to limited operation time. A number of improvements have been made to the Illinois SHM Project (ISHMP) Services Toolsuite to facilitate efficient data collection for campaign monitoring. A post-sensing time synchronization scheme is proposed to reduce the latency of data collection while maintaining high accuracy of synchronization of collected data. A multi-hop bulk data transfer approach using multiple RF channels is also implemented to achieve high data throughput.

Paper Details

Date Published: 3 April 2012
PDF: 11 pages
Proc. SPIE 8345, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2012, 83450U (3 April 2012); doi: 10.1117/12.914860
Show Author Affiliations
Jian Li, Univ. of Illinois at Urbana-Champaign (United States)
Tomonori Nagayama, The Univ. of Tokyo (Japan)
Kirill A. Mechitov, Univ. of Illinois at Urbana-Champaign (United States)
Billie F. Spencer, Univ. of Illinois at Urbana-Champaign (United States)


Published in SPIE Proceedings Vol. 8345:
Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2012
Masayoshi Tomizuka; Chung-Bang Yun; Jerome P. Lynch, Editor(s)

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