有色噪声激励下双稳态电磁式振动能量捕获器动力学特性研究

发布时间：2018-02-14 03:37

  本文关键词： 有色噪声 双稳态振动能量捕获器 噪声强度 质量比 调频比　出处：《应用数学和力学》2017年05期 　论文类型：期刊论文

【摘要】：随着微机电科技的进步,利用环境振动进行系统自供电已经成为目前非线性动力学研究的热点.以附加线性振子的双稳态电磁式振动能量捕获器为研究对象,建立系统的动力学方程,通过数值仿真研究了有色噪声激励作用下双稳态能量捕获系统的动力学行为,分别从有色噪声强度、质量比和调频比3个方面研究了双稳态系统动力学响应,获得了上述参数对双稳态能量捕获系统动力学特性的影响规律,上述研究结果为双稳态电磁式振动能量捕获系统的相关研究提供理论基础.
[Abstract]:With the development of micro-electromechanical technology, it has become a hot point in nonlinear dynamics research to use the environmental vibration to self-supply the system. The bistable electromagnetic vibration energy trapping device with linear oscillator is taken as the research object. The dynamic equations of the system are established, and the dynamic behavior of the bistable energy capture system under the excitation of colored noise is studied by numerical simulation. The dynamic response of bistable system is studied in three aspects: mass ratio and frequency modulation ratio. The influence of the above parameters on the dynamic characteristics of bistable energy capture system is obtained. These results provide a theoretical basis for the research of bistable electromagnetic vibration energy capture system.
【作者单位】： 西安理工大学机械与精密仪器工程学院;
【基金】：国家自然科学基金(11572243)~~
【分类号】：O322
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本文编号：1509785