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Proceedings Paper

Feasibility study of wind generator for smart wireless sensor node in cable-stayed bridge
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Paper Abstract

Long-term structural health monitoring (SHM) systems using wireless smart sensors for civil infrastructures such as cable-stayed bridges has been researched due to its cost-effectiveness and ease of installation. Wireless smart sensors are usually powered by high capacity batteries because they consume low power. However, theses batteries require regular replacements for long-term continuous and stable operation. To overcome this limitation of wireless smart sensor-based SHM, considerable attention has been recently paid to alternative power sources such as solar power and vibration-based energy harvesting. Another promising alternative ambient energy source might be a wind-generated power; in particular, it can be very useful for structures in windy area such as coastal and mountainous area. In this study, the feasibility of the wind-powered generation for wireless smart senor nodes is investigated by through experimental and analytical approaches, and the possibility of practical application to actual SHM system of a cable-stayed bridge is discussed.

Paper Details

Date Published: 1 April 2010
PDF: 8 pages
Proc. SPIE 7647, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2010, 764747 (1 April 2010); doi: 10.1117/12.853600
Show Author Affiliations
Jong-Woong Park, Korea Advanced Institute of Science and Technology (Korea, Republic of)
Hyung-Jo Jung, Korea Advanced Institute of Science and Technology (Korea, Republic of)
Hongki Jo, Univ. of Illinois at Urbana-Champaign (United States)
Shinae Jang, Univ. of Illinois at Urbana-Champaign (United States)
Billie F. Spencer, Univ. of Illinois at Urbana-Champaign (United States)


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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