Ultrasonic wave propagation of flexible piezoelectric polymer for tactile actuator: simulation and experiment

被引：11

作者：

Akther, Asma ^{[1
]}

Kafy, Abdullahil ^{[1
]}

Zhai, Lindong ^{[1
]}

Kim, Hyun Chan ^{[1
]}

Shishir, M. D. Imrul Reza ^{[1
]}

Kim, Jaehwan ^{[1
]}

机构：

[1] Inha Univ, Dept Mech Engn, CRC NanoCellulose Future Composites, Inchon 22212, South Korea

来源：

SMART MATERIALS AND STRUCTURES | 2016年 / 25卷 / 11期

基金：

新加坡国家研究基金会;

关键词：

ultrasonic waves; piezoelectric polymer; standing waves; haptic actuator; tactile actuator; SURFACE; DEVICES; FILMS;

D O I：

10.1088/0964-1726/25/11/115043

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

This study deals with ultrasonic wave propagation on a piezoelectric polymer substrate for tactile actuator. On the piezoelectric polymer substrate, a pair of interdigital transductor (IDT) electrodes is patterned by lift-off process and a resonator is made by exciting the IDTs. A standing wave is generated between the pair of IDT electrodes, of which the wavelength matches with the distance between two IDTs. The standing ultrasonic waves can give different textures to the users. The wave propagation in this periodic structure on the polymer substrate is studied by harmonic and transient analysis. Vertical displacement and induced voltage at the output IDT electrode are calculated and the ultrasonic wave generation is experimentally verified. The proposed concept of tactile actuator based on ultrasonic wave is explained.

引用

页数：8

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