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Tunable Stiffness and Damping Vibration Control Strategy Based on Magnetorheological Elastomer Isolator
Abstract:
The combined variable stiffness and damping on-off control strategy is investigated using a magnetorheological elastomer (MRE) isolator. A one-degree-of-freedom system has been adopted to assess the efficiency of different control strategies under sinusoidal and random and pulse excitations. The obtained results illustrate that a single tunable stiffness control with maximal damping values under both excitations can simultaneously performs better control of displacement than using minimal damping if the relative displacement and relative velocity of load are in contrary directions . Moreover, on-off variable stiffness control plays a more important role than damping control, therefore it is feasible to only control magnetic field to change MRE elastic and damping property for simplicity.
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1461-1466
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Online since:
March 2014
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© 2014 Trans Tech Publications Ltd. All Rights Reserved
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