2 April 2015 Low frequency inertial control strategy for seismic attenuation with multi-stage mechanical suspensions
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Abstract
In this paper we present preliminary experimental results relative to the control of a multi-stage seismic attenuators and inertial platforms in the band 0:01±10Hz, using a open loop monolithic folded pendulum as inertial sensors. In fact, beyond the obvious compactness and robustness of monolithic implementations of folded pendulum, the main advantages of this class of sensors are the tune-ability of the resonance frequency, the high sensitivity, due to integrated laser optical readout, in a large measurement band. The results are presented and discussed in this paper together with the planned further developments and improvements.
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F. Acernese, F. Acernese, R. De Rosa, R. De Rosa, G. Giordano, G. Giordano, R. Romano, R. Romano, F. Barone, F. Barone, } "Low frequency inertial control strategy for seismic attenuation with multi-stage mechanical suspensions", Proc. SPIE 9431, Active and Passive Smart Structures and Integrated Systems 2015, 94312X (2 April 2015); doi: 10.1117/12.2083352; https://doi.org/10.1117/12.2083352
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