一个具有轴对称多稳定的3D压力磁弹性能量收割机的动力学
Grzegorz Litak1, Mariusz Klimek1, Abhijeet M Giri1
1Faculty of Mechanical Engineering, Lublin University of Technology, Nadbystrzycka 36, 20-618 Lublin, Poland.
Micromachines
|July 27, 2024
概括
本研究介绍了一种具有轴对称潜力井的3D非线性压电能量收割器. 它通过利用多稳定的动态来实现低激发的宽带频率响应,以实现高效的能量采集.
科学领域:
- 非线性动力学是一种非线性动力学.
- 收集能源 收集能源
- 压电材料 压电材料
背景情况:
- 传统的能源收割机在低激发下与宽带频率响应作斗争.
- 双稳定的Duffing潜能提供了增强的动力,但在维度上往往是有限的.
- 开发多稳定系统对于高效的低能收获至关重要.
研究的目的:
- 提出和研究一个3D轴对称潜力基于井的非线性压电能量收割机.
- 在低强度平面激发下增强宽带频率响应.
- 分析这个新型收割机的动力和发电能力.
主要方法:
- 将一个2D平面双稳定的Duffing潜力概括为一个3D轴对称的形式.
- 在平面循环激发下分析悬臂振荡器的动态.
- 调查收获功率与频率变化和激发幅度的分叉.
主要成果:
- 3D收割机表现出无限多个稳定的平衡和一个不稳定的平衡.
- 确定了大振幅期-1和次解的几个分支.
- 亚声波解决方案显示曲线振荡,使得高效的能量收获与低激发.
- 宽带频率响应通过多个亚和分支解决方案来实现.
结论:
- 拟议的3D轴对称多稳定压电能量收割机有效地扩大了频率响应.
- 该系统的多稳定性和独特的亚调解决方案允许在低激发水平下高效地收集能量.
- 这种设计为开发先进的能量收集设备提供了一个有前途的方法.
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