Assessment of energy harvesting and vibration mitigation of a pendulum dynamic absorber

•The novel model of the system for vibration mitigation and energy recovery is proposed.•The harvester device added to dynamic vibration absorber does not reduce the efficiency of vibration mitigation.•The activation of a tuned mass damper can improve energy harvesting at low frequencies. The paper...

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Bibliographic Details
Published in:Mechanical systems and signal processing 2018-06, Vol.106, p.198-209
Main Author: Kecik, Krzysztof
Format: Article
Language:English
Subjects:
Absorbers
Energy harvesting
Energy recovery
Instability
Nonlinear systems
Pendulum
Vibration
Vibration control
Vibration mitigation
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Summary:•The novel model of the system for vibration mitigation and energy recovery is proposed.•The harvester device added to dynamic vibration absorber does not reduce the efficiency of vibration mitigation.•The activation of a tuned mass damper can improve energy harvesting at low frequencies. The paper presents a novel system for simultaneous energy harvesting and vibration mitigation. The system consists of two main parts: an autoparametric pendulum vibration absorber and an energy harvester device. The recovered energy is from oscillation of a levitating magnet in a coil. The energy harvesting system is mounted in a pendulum structure. The system allows energy recovery from a semi-trivial solution (pendulum in rest) or/and swinging of a pendulum. The influence of harvester parameters on the system response and energy harvesting in a parametric resonance is studied in detail. The harvester device does not decrease vibration reduction effectiveness.
ISSN:0888-3270
1096-1216
DOI:10.1016/j.ymssp.2017.12.028