Distributed Hybrid Vibration Absorbers for Shock and Forced Vibrations

Lei Chen

doi:10.4028/www.scientific.net/AMM.166-169.1709

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 166-169Distributed Hybrid Vibration Absorbers for Shock...

Distributed Hybrid Vibration Absorbers for Shock and Forced Vibrations

Abstract:

The control methods used for free/shock vibration suppression are normally different from those used for forced vibration cancellation, because shock vibration is regarded as a type of transient vibration that is different in nature from steady-state forced vibration. However, both steady-state and shock excitations may occur in flexible structures, so there is a need to control both types of vibrations. To show the integration of the two different vibration control strategies, a hybrid control system based on adhesive strain gauges and PZT patches is proposed to construct a distributed resonant absorber and shock absorber together. The hybrid system is governed by a control arbitrator that decides which absorber should be active according to the different excitation conditions. The effectiveness of the integrated system is shown through simulation and experimental studies.

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Periodical:

Applied Mechanics and Materials (Volumes 166-169)

Pages:

1709-1712

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.166-169.1709

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Online since:

May 2012

Authors:

Lei Chen

Keywords:

Distributed Resonant Absorber, Distributed Shock Absorber, Forced Vibration, Hybrid System, Shock Vibration

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References

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