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논문 기본 정보

자료유형
학술저널
저자정보
Ho, Duc-Duy (Department of Ocean Eng., Pukyong National University) Lee, Po-Young (Department of Ocean Eng., Pukyong National University) Nguyen, Khac-Duy (Department of Ocean Eng., Pukyong National University) Hong, Dong-Soo (Department of Ocean Eng., Pukyong National University) Lee, So-Young (Department of Ocean Eng., Pukyong National University) Kim, Jeong-Tae (Department of Ocean Eng., Pukyong National University) Shin, Sung-Woo (Department of Safety Eng., Pukyong National University) Yun, Chung-Bang (Department of Civil and Environmental Eng., KAIST) Shinozuka, Masanobu (Department of Civil and Environmental Eng., Univ. of California)
저널정보
테크노프레스 Smart structures and systems Smart structures and systems 제9권 제2호
발행연도
2012.1
수록면
145 - 164 (20page)

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In this paper, solar-powered, multi-scale, vibration-impedance sensor node on Imote2 platform is presented for hybrid structural health monitoring (SHM) in cable-stayed bridge. In order to achieve the objective, the following approaches are proposed. Firstly, vibration- and impedance-based hybrid SHM methods are briefly described. Secondly, the multi-scale vibration and impedance sensor node on Imote2-platform is presented on the design of hardware components and embedded software for vibration- and impedance-based SHM. In this approach, a solar-powered energy harvesting is implemented for autonomous operation of the smart sensor nodes. Finally, the feasibility and practicality of the smart sensor-based SHM system is evaluated on a full-scale cable-stayed bridge, Hwamyung Bridge in Korea. Successful level of wireless communication and solar-power supply for smart sensor nodes are verified. Also, vibration and impedance responses measured from the target bridge which experiences various weather conditions are examined for the robust long-term monitoring capability of the smart sensor system.

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