非线性能量阱减振与电磁能量采集一体化耦合系统分析
Analysis of Integrate Coupling System of Nonlinear Energy Sink Vibration Reduction and Electromagnetic Energy Harvesting
摘要: 为分析基础简谐激励下一体化耦合系统的动力学特性和能量采集，利用谐波平衡法、牛顿迭代法和弧长延拓法对非线性能量阱(NES)与电磁能量采集耦合系统的常微分方程近似解析，并用数值验证解析结果，解析数值一致重合。通过对比系统的幅频响应，证明耦合系统比NES系统具有更好的振动抑制性能。同时研究系统参数对频域、时域、功率和电压的影响，结果表明在特定频率下系统可以输出更多功率。进一步分析系统能量吸收和采集的关系，结果表明耦合系统可以进行能量输出。
Abstract: In order to analyze the dynamic characteristics and energy harvesting of the integrated coupling system under the basic harmonic excitation, the harmonic balance method, Newton iteration method and arc length extension method are used to analyze the ordinary differential equation of the coupling system of nonlinear energy sink (NES) and electromagnetic energy harvesting approximately and the analytical results are verified by numerical solutions and the results are consistent. By comparing and analyzing the system amplitude-frequency response, the vibration suppression of coupling system is better than that of the single NES system. At the same time, by analyzing the influence of system parameters on frequency domain, time domain, power and voltage, the results show that more power can be output at a specific frequency. Further analysis of the relationship between system energy absorption and acquisition shows that the coupling system can perform energy output.
文章引用：潘政旭, 侯太友, 李威. 非线性能量阱减振与电磁能量采集一体化耦合系统分析[J]. 力学研究, 2019, 8(1): 13-24. https://doi.org/10.12677/IJM.2019.81002

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