Active vibration suppression through positive acceleration feedback on a building-like structure: An experimental study
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- 作者：J. Enrí ; quez-Zá ; rate ; enriquezz@cinvestav.mx" class="auth_mail" title="E-mail the corresponding author ; G. Silva-Navarro gsilva@cinvestav.mx" class="auth_mail" title="E-mail the corresponding author ; H.F. Abundis-Fong habundis@cinvestav.mx" class="auth_mail" title="E-mail the corresponding author
- 关键词：Active vibration control ; Modal analysis ; Positive Acceleration Feedback ; Piezoelectric actuator
- 刊名：Mechanical Systems and Signal Processing
- 出版年：2016
- 出版时间：May 2016
- 年：2016
- 卷：72-73
- 期：Complete
- 页码：451-461
- 全文大小：4176 K
文摘
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Modeling, modal analysis and active vibration control on a building-like structure with a PZT stack actuator submitted to harmonic and seismic ground motion.
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Experimental characterization and evaluation using modal analysis techniques and finite element methods.
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Application of Positive Acceleration Feedback (PAF) and Multiple Positive Acceleration Feedback (MPAF) for active vibration attenuation of one single mode and, simultaneously, for the first three dominant lateral modes.
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Experimental results for harmonic ground motion lead to attenuations about 67%, 82% and 90%, respectively.
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Experimental results for seismic-type ground motion yield attenuation about 50%.