CAJ | 학술논문

压电振子是实现振动能量捕获的重要基础,它的结构参数对其发电量和固有频率产生直接影响,需要进行优化设计.该文针对悬臂梁压电振子结构,采用ANSYS有限元建模方法,进行了静力学及模态仿真分析.研究了压电振子的各参数和质量块对其发电量、固有频率的影响规律,设计并搭建了实验台进行实验研究.实验结果验证了仿真分析的正确性,为压电振子的优化设计提供了依据.
압전진자시실현진동능량포획적중요기출,타적결구삼수대기발전량화고유빈솔산생직접영향,수요진행우화설계.해문침대현비량압전진자결구,채용ANSYS유한원건모방법,진행료정역학급모태방진분석.연구료압전진자적각삼수화질량괴대기발전량、고유빈솔적영향규률,설계병탑건료실험태진행실험연구.실험결과험증료방진분석적정학성,위압전진자적우화설계제공료의거.
Piezoelectric cantilever beams is of important basis to vibration energy harvesting and the structure parameters greatly affect its electric output and resonant frequencies,so it is needed to be designed optimally.In this paper,the static and mode analysis of piezoelectric cantilever beams are presented by the finite element analysis method of ANSYS.The effect of the parameters of piezoelectric cantilever beams and the mass block on the electric outputs and the natural resonant frequencies are studied.An experimental set-up is designed and built.The experimental result is qualitatively consistent with that of the simulation.It provides a basis for the optimal designing of piezoelectric cantilever beams.