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A New Approach for Modeling Piezoresistive Force Sensors Based on Semiconductive Polymer Composites

Title:

A New Approach for Modeling Piezoresistive Force Sensors Based on Semiconductive Polymer Composites

Kalantari, Masoud and Dargahi, Javad and Kövecses, Jozsef and Mardasi, Mahmood Ghanbari and Nouri, Shahrzad (2012) A New Approach for Modeling Piezoresistive Force Sensors Based on Semiconductive Polymer Composites. IEEE/ASME Transactions on Mechatronics, 17 (3). pp. 572-581. ISSN 1083-4435

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Official URL: http://dx.doi.org/10.1109/TMECH.2011.2108664

Abstract

Semiconductive polymer composites are used in a wide range of sensors and measurement devices. This paper discusses the development of a model and a new theoretical formulation for predicting piezoresistive behavior in semiconductive polymer composites, including their creep behavior and contact resistance. The relationship between electrical resistance and force applied to the piezoresistive force sensor can be predicted by using the proposed theoretical formulation. In order to verify the proposed formulation, the piezoresistive behavior of Linqstat, a carbon-filled polyethylene, was modeled mathematically. In addition, some experimental tests, such as thermo gravitational analysis and SEM, have been performed on Linqstat to find the volume fraction and size of carbon particles, which are essential for modeling. In addition, on a fabricated force sensor using Linqstat, a force versus resistance curve was obtained experimentally, which verified the validity and reliability of the proposed formulation.

Divisions:Concordia University > Faculty of Engineering and Computer Science > Mechanical and Industrial Engineering
Item Type:Article
Refereed:Yes
Authors:Kalantari, Masoud and Dargahi, Javad and Kövecses, Jozsef and Mardasi, Mahmood Ghanbari and Nouri, Shahrzad
Journal or Publication:IEEE/ASME Transactions on Mechatronics
Date:2012
ID Code:974523
Deposited By:ANDREA MURRAY
Deposited On:06 Aug 2012 09:52
Last Modified:06 Aug 2012 09:52
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