利用压电薄膜设计体积位移传感器  

Design of Volume Displacement Sensor Using PVDF Film

作　　者：李志春[1] 吴锦武[2] 张云[1] 孙俊[3] 

机构地区：[1]江苏大学汽车与交通工程学院 [2]南昌航空工业学院航空与机械工程学院,江西南昌330063 [3]江苏大学电气信息工程学院,江苏镇江212013

出　　处：《压电与声光》2007年第5期523-526,共4页Piezoelectrics & Acoustooptics

摘　　要：以不同边界条件的振动板为例,提出利用模态方法和分部积分方法设计PVDF传感器测量体积位移。模态正交性设计方法只能满足单一边界条件振动板结构体积位移的测量,而根据分部积分方法设计得到的PVDF传感器,适合一定边界范围的振动板的体积位移测量,并且所设计的PVDF传感器形状与激励力性质(类型、位置和频率范围)以及振动板本身的材料特性无关。With the example of vibrating beam of difference boundary conditions, a new methodology is presented to design volume displacement sensor using shaped PVDF film on the basis of mode orthogonal property and integration in parts approach, Design of mode orthogonal can only used to measure one end of the vibrating plate volume displacement, but the integration in parts approach is feasible to measure each group of boundary condition, The PVDF sensor shape is shown not only independent of property of the excitation （the type, position and frequency, etc, ）, but also independent of material characteristics of vibrating plate.

关 键 词：体积位移 压电式传感器 振动板 

分 类 号：TB535.1[理学—物理]