A resonant force sensor based on ionic polymer metal composites

被引：54

作者：

Bonomo, Claudia ^{[1
]}

Fortuna, Luigi ^{[1
]}

Giannone, Pietro ^{[1
]}

Graziani, Salvatore ^{[1
]}

Strazzeri, Salvatore ^{[1
]}

机构：

[1] Univ Catania, Dipartimento Ingn Elettr Elettr & Sistemi, I-95125 Catania, Italy

来源：

SMART MATERIALS & STRUCTURES | 2008年 / 17卷 / 01期

关键词：

D O I：

10.1088/0964-1726/17/01/015014

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

In this paper a novel force sensor, based on ionic polymer metal composites (IPMCs), is presented. The system has DC sensing capabilities and is able to work in the range of a few millinewtons. IPMCs are emerging materials used to realize motion actuators and sensors. An IPMC strip is activated in a beam fixed/simply-supported configuration. The beam is tightened at the simply-supported end by a force. This influences the natural resonant frequency of the beam; the value of the resonant frequency is used in the proposed system to estimate the force applied in the axial direction. The performance of the system based on the IPMC material has proved to be comparable with that of sensors based on other sensing mechanisms. This suggests the possibility of using this class of polymeric devices to realize PMEMS ( plastic micro electrical mechanical systems) sensors.

引用

页数：13

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