A Compact Ionic Polymer Metal Composite (IPMC) System with Inductive Sensor for Closed Loop Feedback

A Compact Ionic Polymer Metal Composite (IPMC) System with Inductive Sensor for Closed Loop Feedback

Ionic polymer metal composite (IPMC), of which a low actuating voltage (<5 V), high power efficiency and biocompatibility makes it a proven candidate for low power devices. However, due to its inherent nonlinear behaviour and time-variance, feedback control, as well as reliable sensing means...

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Bibliographic Details
Main Authors: Jiaqi Wang, Andrew McDaid, Rajnish Sharma, Kean C. Aw
Format: Article
Language:English
Published: MDPI AG 2015-05-01
Series:Actuators
Subjects:
IPMC
inductive sensing
PID control
Online Access:http://www.mdpi.com/2076-0825/4/2/114
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spelling doaj-4a063ec94d7f4d16a046d0e0848f90fb2020-11-24T22:05:39ZengMDPI AGActuators2076-08252015-05-014211412610.3390/act4020114act4020114A Compact Ionic Polymer Metal Composite (IPMC) System with Inductive Sensor for Closed Loop FeedbackJiaqi Wang0Andrew McDaid1Rajnish Sharma2Kean C. Aw3Department of Mechanical Engineering, University of Auckland, Auckland 1010, New ZealandDepartment of Mechanical Engineering, University of Auckland, Auckland 1010, New ZealandDepartment of Mechanical Engineering, University of Auckland, Auckland 1010, New ZealandDepartment of Mechanical Engineering, University of Auckland, Auckland 1010, New ZealandIonic polymer metal composite (IPMC), of which a low actuating voltage (<5 V), high power efficiency and biocompatibility makes it a proven candidate for low power devices. However, due to its inherent nonlinear behaviour and time-variance, feedback control, as well as reliable sensing means, are required for accurate operations. This paper presents an IPMC actuator implemented with an inductive sensor to enhance the reliability and compactness of the overall device. A practical, low cost and importantly, compact inductive sensor fabricated on a printed circuit board (PCB) is proposed here. Target material selections and coil design considerations are discussed. It is experimentally determined that the inductive sensor has comparable performance to a laser sensor. Based on a proportional-integral-derivative (PID) control results the inductive sensor has demonstrated to be an alternative to a laser sensor allowing devices using IPMC actuators to be compact.http://www.mdpi.com/2076-0825/4/2/114IPMCinductive sensingPID control
collection DOAJ
language English
format Article
sources DOAJ
author Jiaqi Wang
Andrew McDaid
Rajnish Sharma
Kean C. Aw
spellingShingle Jiaqi Wang
Andrew McDaid
Rajnish Sharma
Kean C. Aw
A Compact Ionic Polymer Metal Composite (IPMC) System with Inductive Sensor for Closed Loop Feedback
Actuators
IPMC
inductive sensing
PID control
author_facet Jiaqi Wang
Andrew McDaid
Rajnish Sharma
Kean C. Aw
author_sort Jiaqi Wang
title A Compact Ionic Polymer Metal Composite (IPMC) System with Inductive Sensor for Closed Loop Feedback
title_short A Compact Ionic Polymer Metal Composite (IPMC) System with Inductive Sensor for Closed Loop Feedback
title_full A Compact Ionic Polymer Metal Composite (IPMC) System with Inductive Sensor for Closed Loop Feedback
title_fullStr A Compact Ionic Polymer Metal Composite (IPMC) System with Inductive Sensor for Closed Loop Feedback
title_full_unstemmed A Compact Ionic Polymer Metal Composite (IPMC) System with Inductive Sensor for Closed Loop Feedback
title_sort compact ionic polymer metal composite (ipmc) system with inductive sensor for closed loop feedback
publisher MDPI AG
series Actuators
issn 2076-0825
publishDate 2015-05-01
description Ionic polymer metal composite (IPMC), of which a low actuating voltage (<5 V), high power efficiency and biocompatibility makes it a proven candidate for low power devices. However, due to its inherent nonlinear behaviour and time-variance, feedback control, as well as reliable sensing means, are required for accurate operations. This paper presents an IPMC actuator implemented with an inductive sensor to enhance the reliability and compactness of the overall device. A practical, low cost and importantly, compact inductive sensor fabricated on a printed circuit board (PCB) is proposed here. Target material selections and coil design considerations are discussed. It is experimentally determined that the inductive sensor has comparable performance to a laser sensor. Based on a proportional-integral-derivative (PID) control results the inductive sensor has demonstrated to be an alternative to a laser sensor allowing devices using IPMC actuators to be compact.
topic IPMC
inductive sensing
PID control
url http://www.mdpi.com/2076-0825/4/2/114
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