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dc.contributorDepartment of Civil and Environmental Engineering-
dc.creatorShen, WA-
dc.creatorZhu, S-
dc.creatorXu, YL-
dc.creatorShi, X-
dc.creatorLee, WC-
dc.publisherFaculty of Construction and Land Use, Hong Kong Polytechnic Universityen_US
dc.rights© 2011 Faculty of Construction and Land Use, The Hong Kong Polytechnic University.en_US
dc.subjectEnergy harvestingen_US
dc.subjectElectromagnetic damperen_US
dc.subjectEnergy conversion efficiencyen_US
dc.subjectVibration controlen_US
dc.titleExperimental study of regenerative EM -TMD system for building vibration controlen_US
dc.typeConference Paperen_US
dc.description.otherinformationAuthor name used in this publication: S. Zhuen_US
dc.description.otherinformationRefereed conference paperen_US
dcterms.abstractThis paper proposes a novel tuned mass damping (TMD) system in building structures with hybrid functionsvibration control and energy harvesting. The regenerative electromagnetic TMD (EM-TMD) system comprises a pendulum-type TMD, a rotary electromagnetic (EM) damper and an energy-harvesting circuit. The structural vibration energy induced by earthquake or wind, which is a great amount, is absorbed by EM-TMD and converted to electrical energy by the EM damper, and stored in energy storage elements (such as supercapacitors and rechargeable batteries) by the energy harvesting circuit. As a result, the proposed EM -TMD systems can not only effectively protect building structures against excessive vibrations, but also provide regenerative and economical power sources to smart wireless sensing system or other electronic devices. This paper presents a proof-of-concept shaking table experiment in which a single-degree-of-freedom (SDOF) model equipped with a regenerative EM-TMD system has been tested. A prototype of rotary EM damper connected with two types of energy harvesting circuits, were tested and compared in this study. Three important properties, i.e., energy conversion efficiency, output power and control effect, were investigated and discussed. The results successfully validate the feasibility of conducting vibration control and energy harvesting simultaneously using regenerative EM-TMD system in buildings.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationProceedings : 3rd International Postgraduate Conference on Infrastructure and Environment, v. 1, p. 288-295-
dc.description.ros2011-2012 > Academic research: refereed > Refereed conference paper-
dc.description.oaVersion of Recorden_US
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