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Proceedings Paper

The combined use of low-cost smart sensors and high accuracy sensors to apprehend structural dynamic behavior
Author(s): Tomonori Nagayama; Mitsushi Ushita; Yozo Fujino; Masataka Ieiri; Noritoshi Makihata
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Paper Abstract

Wireless smart sensors equipped with computational and wireless communication capabilities are expected to provide rich information for structural health monitoring (SHM); inexpensive nature of sensors nodes and wireless communication allow dense sensor instrumentation over structures. While dense measurement is advantageous with regard to spatially characterizing structural dynamic behaviors, limited sensing accuracy of inexpensive wireless sensor nodes possibly bounds applications. For example, small ambient vibration may not be captured by smart sensor nodes. This paper proposes a combined use of low-cost smart sensors and high accuracy sensors for dynamic measurement of bridges to alleviate the influence of this limitation.

Paper Details

Date Published: 1 April 2010
PDF: 9 pages
Proc. SPIE 7647, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2010, 764716 (1 April 2010); doi: 10.1117/12.848323
Show Author Affiliations
Tomonori Nagayama, The Univ. of Tokyo (Japan)
Mitsushi Ushita, The Univ. of Tokyo (Japan)
Yozo Fujino, The Univ. of Tokyo (Japan)
Masataka Ieiri, JIP Techno Science Corp. (Japan)
Noritoshi Makihata, JIP Techno Science Corp. (Japan)


Published in SPIE Proceedings Vol. 7647:
Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2010
Masayoshi Tomizuka, Editor(s)

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