A nonlinear energy sink with an energy harvester: Transient responses

被引：126
作者：
Kremer, Daniel [1 ]
Liu, Kefu [1 ]
机构：
[1] Lakehead Univ, Dept Mech Engn, Thunder Bay, ON P7B 5E1, Canada
来源：
JOURNAL OF SOUND AND VIBRATION | 2014年 / 333卷 / 20期
关键词：
FORCE SURFACE METHOD; COUPLED OSCILLATORS; RESONANCE CAPTURES; EXPERIMENT DESIGN; PART II; VIBRATION; EFFICIENCY; TRANSFERS; SYSTEM;
D O I：
10.1016/j.jsv.2014.05.010
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
This paper investigates energy harvesting using nonlinear energy sink. First a novel apparatus is described in detail outlining how the essential nonlinearity and energy harvesting are achieved. Then the system modeling is addressed, including the equations of motion for the mechanical system and the electromechanical system, and a formula for the transduction factor. The experimental identification is conducted to determine several key parameters and relationships. Using the established models, a computer simulation is carried out to investigate the apparatus's performance under transient responses in terms of vibration absorption and energy harvesting. Finally experiments are conducted to validate the simulation results. It is shown that the system performs well, being capable of energy localization as well as broad band vibration absorption. The system is also shown to be capable of harvesting energy. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：4859 / 4880
页数：22
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