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Seismic control of a SDOF structure through electromagnetic resonant shunt tuned mass-damper-inerter and the exact H-2 optimal solutions

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dc.contributor.authorSun, Hongxinen
dc.contributor.authorLuo, Yifanen
dc.contributor.authorWang, Xiuyongen
dc.contributor.authorZuo, Leien
dc.contributor.departmentMechanical Engineeringen
dc.date.accessioned2019-10-04T17:40:07Zen
dc.date.available2019-10-04T17:40:07Zen
dc.date.issued2017-05en
dc.description.abstractThis paper proposes a novel inerter-based component dynamic vibration absorber, namely, electromagnetic resonant shunt tuned mass-damper-inerter (ERS-TMDI). To analyze the performances of the ERS-TMDI, the combined ERS-TMDI and a single degree of freedom system are developed. The h(2) norm performances of the ERS-TMDI, whose aim is to minimize the root mean square (RMS) value of structure damage under random ground acceleration excitation, are introduced in comparison with the energy-harvesting series electromagnetic tuned mass dampers (ERS-TMDs), tuned mass-damper-inerter (TMDI) and the classical tuned mass damper (TMD). The closed-form solutions, including the optimal mechanical tuning ratio, the optimal electrical damping ratio, the optimal electrical tuning ratio and the optimal electromagnetic mechanical coupling coefficient, are obtained. It is shown that the ERS-TMDI is superior to both the classical TMD and the ERS-TMD systems for protection from structure damage. Specifically, from the frequency-domain analyses, a case study is performed to illustrate the effectiveness, robustness of the ERS-TMDI and the sensitivity to the parameter changes. From the time-domain analyses, four types of earthquakes are studied to demonstrate the performances of vibration suppression.en
dc.description.notesThis work was supported by National Key Basic Research Scheme of China (973 Program) under Grant 2015CB057702, National Natural Science Foundation of China under Grant 51508185 and 51378203, and Natural Science Foundation of Hunan Province of China under Grant 2015JJ3073. The author Hongxin Sun is also grateful to the financial support from China Scholarship Council to conduct research as a visiting scholar in Lei Zuo's Lab at Virginia Tech.en
dc.description.sponsorshipNational Key Basic Research Scheme of China (973 Program) [2015CB057702]; National Natural Science Foundation of China [51508185, 51378203]; Natural Science Foundation of Hunan Province of China [2015JJ3073]; China Scholarship Councilen
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.21595/jve.2017.18256en
dc.identifier.issn1392-8716en
dc.identifier.issue3en
dc.identifier.urihttp://hdl.handle.net/10919/94357en
dc.identifier.volume19en
dc.language.isoenen
dc.rightsCreative Commons Attribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectvibration controlen
dc.subjectelectromagnetic resonant shunten
dc.subjecttuned mass-damper-inerteren
dc.subjectH-2 optimizationen
dc.titleSeismic control of a SDOF structure through electromagnetic resonant shunt tuned mass-damper-inerter and the exact H-2 optimal solutionsen
dc.title.serialJournal of Vibroengineeringen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten
dc.type.dcmitypeStillImageen

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