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一种压电磁耦合换能器建模与分析

Hongjun LIU,Dingfang CHEN,Lijie LI,Jie MEI,Tingxin MING

Journal of Nanchang Institute of Technology（2016）

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Abstract
为了达到拓宽单悬臂梁压电换能器响应频率带宽、提高输出性能的目的,研究了一种压电磁耦合换能器.根据换能器的基本结构建立其相应的机电耦合模型,并推导出动力学方程和电学方程.利用四阶龙格库塔法求解了系统输出电压、输出位移,分析了负载阻值、激励频率值和磁铁间距等相关参数对于系统输出性能的影响情况.
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