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논문 기본 정보

자료유형
학술저널
저자정보
Paul Cahill (Centre for Marine and Renewable Energy Ireland (MaREI) Environmental Research Institute Beaufort B) Vikram Pakrashi (Dynamical Systems and Risk Laboratory School of Mechanical and Materials Engineering and Centre fo) Peng Sun (Department of Civil and Environmental Engineering Rice University Houston TX 77005 USA) Alan Mathewson (Micro & Nano Systems Centre Tyndall National Institute University College Cork Dyke Parade Cork) Satish Nagarajaiah (Department of Mechanical Engineering and Department of Material Science and Nano-Engineering Rice)
저널정보
국제구조공학회 Smart Structures and Systems, An International Journal Smart Structures and Systems, An International Journal Vol.21 No.3
발행연도
2018.1
수록면
287 - 303 (17page)

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Applications of energy harvesting from mechanical vibrations is becoming popular but the full potential of such applications is yet to be explored. This paper addresses this issue by considering an application of energy harvesting for the dual objective of serving as an indicator of structural health monitoring (SHM) and extent of control. Variation of harvested energy from an undamaged baseline is employed for this purpose and the concept is illustrated by implementing it for active vibrations of a pipe structure. Theoretical and experimental analyses are carried out to determine the energy harvesting potential from undamaged and damaged conditions. The use of energy harvesting as indicator for control is subsequently investigated, considering the effect of the introduction of a tuned mass damper (TMD). It is found that energy harvesting can be used for the detection and monitoring of the location and magnitude of damage occurring within a pipe structure. Additionally, the harvested energy acts as an indicator of the extent of reduction of vibration of pipes when a TMD is attached. This paper extends the range of applications of energy harvesting devices for the monitoring of built infrastructure and illustrates the vast potential of energy harvesters as smart sensors.

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