A TWO-DIMENSIONAL ELECTROMECHANICAL IMPEDANCE MODEL AND EXPERIMENTAL VERIFICATION OF A PZT TRANSDUCER

摘要：

The traditional one-dimensional (1D) electromechanical impedance model simplifies the PZT as a thin bar,only considering the vibration in the axial direction,and the vibrations in other two directions are neglected.In this study,the vibrations of the PZT patch in x and z directions are taken into account to model the electromechanical coupling interaction between the PZT transducer and the host structure.The corresponding admittance formula is derived and a free vibration experiment of the PZT patch is carried out to verify the proposed two-dimensional (2D) electromechanical impedance model.It can be found that the proposed model is effective by comparing the theoretical formula and the experimental results.

关键词： 2D electromechanical impedance model Effective mechanical impedance Free vibration experiment

作者: Dan-sheng WANG Xiao-meng ZHOU Hong-yuan SONG Hong-ping ZHU

作者单位: School of Civil Engineering and Mechanics, Huazhong University of Science and Technology, Wuhan 430074, China

会议类型: 国际会议

会议名称: The 2016 Symposium on Piezoelectricity,Acoustic Waves and Device Applications(2016全国压电和声波理论及器件技术研讨会)

会议地点: 西安

会议语种:英文

页码: 261-264

在线出版日期: 2016-10-21（万方平台首次上网日期，不代表论文的发表时间）