耦合弯曲-剪切载荷L型压电振子的低宽频特性

蒋建东,张玖利,牛瑞征,吴松涛,乔欣

Low broadband characteristics of L-shaped piezoelectric cantilever beam with bending shear load

Jian-dong JIANG,Jiu-li ZHANG,Rui-zheng NIU,Song-tao WU,Xin QIAO

表 2 正交试验设计与结果

Tab.2 Design and results of orthogonal test

序号 b /mm a /mm c /mm nf V1 /V V2 /V 1 5 60 15 1 3 − 2 5 75 20 1 3.8 − 3 5 90 25 1 4.7 − 4 5 105 30 2 9 2.0 5 20 60 20 1 4 − 6 20 75 15 1 3 − 7 20 90 30 2 6 1.0 8 20 105 25 2 6.1 0.4 9 35 60 25 2 6.5 1.0 10 35 75 30 2 7.5 0.5 11 35 90 15 2 2.1 2.2 12 35 105 20 2 5 2.1 13 50 60 30 2 4.2 0.8 14 50 75 25 2 7 2.7 15 50 90 20 2 3.9 4.0 16 50 105 15 2 1.2 2.1