期刊论文

中文

传感器与微系统

2096-2436

2023

42

3

60-64

10.13873/J.1000-9787(2023)03-0060-05

51705034:国家自然科学基金 202001:湖南科技大学机械设备健康维护湖南省重点实验室开放基金资助项目 KQ2014099:长沙市自然科学基金资助项目

本校为第一机构

提出了一种基于方型永磁体结构的新型非线性多稳态能量采集器，建立了多稳态能量采集器的动力学微分方程，分析了多稳态能量采集器的结构参数对稳态数目、势阱深度以及势阱间距的影响规律。结果表明：所提出的多稳态能量采集器可以通过调节结构参数来实现对系统稳态数目、势阱深度以及势阱间距的调控。同时，在谐波激励下，三稳态能量采集器的工作带宽要宽于双稳态；在随机激励下，三稳态进入阱间运动的噪声强度阈值要低于双稳态。

A new type of nonlinear multi-steady energy harvester based on square permanent magnet structure is proposed, and the dynamic differential equation of the multi-steady energy harvester is established.The effect rule of the structural parameters of the multi-steady energ...MORE A new type of nonlinear multi-steady energy harvester based on square permanent magnet structure is proposed, and the dynamic differential equation of the multi-steady energy harvester is established.The effect rule of the structural parameters of the multi-steady energy harvester on the number of steady states, the dept...