A Piezoelectric Inchworm Actuator with Bidirectional Thrust Force

A Piezoelectric Inchworm Actuator with Bidirectional Thrust Force

An inchworm actuator is designed as symmetrical structural layout, which can generate bidirectional thrust force. The clamped flexible mechanisms are set in stator and that of driven are in mover. Firstly, the parameters of flexible hinges are analyzed and optimized. Then, a kind of 6- division time...

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Main Authors: Shunming HUA, Guosong LIU, Xiaojun WANG, Yiqiang WANG, Jialin LI
Format: Article
Language:English
Published: IFSA Publishing, S.L. 2014-05-01
Series:Sensors & Transducers
Subjects:
Piezoelectric actuator
Bidirectional thrust
Inchworm motion
Trapezoid time-sequence.
Online Access:http://www.sensorsportal.com/HTML/DIGEST/may_2014/Vol_171/P_RP_0128.pdf
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spelling doaj-31b6a1318ebd494a8eb49f034d2945c02020-11-25T00:00:23ZengIFSA Publishing, S.L.Sensors & Transducers2306-85151726-54792014-05-011715169175A Piezoelectric Inchworm Actuator with Bidirectional Thrust ForceShunming HUA0Guosong LIU1Xiaojun WANG2Yiqiang WANG3Jialin LI4Ningbo Institute of Technology, Zhejiang University, No. 1, South Qianhu Road, Ningbo 315100, China Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, No. 3888, East Nanhu Avenue, Changchun 130033, ChinaNingbo Institute of Technology, Zhejiang University, No. 1, South Qianhu Road, Ningbo 315100, China Ningbo Institute of Technology, Zhejiang University, No. 1, South Qianhu Road, Ningbo 315100, China Ningbo Institute of Technology, Zhejiang University, No. 1, South Qianhu Road, Ningbo 315100, China An inchworm actuator is designed as symmetrical structural layout, which can generate bidirectional thrust force. The clamped flexible mechanisms are set in stator and that of driven are in mover. Firstly, the parameters of flexible hinges are analyzed and optimized. Then, a kind of 6- division time-sequence signal applied to clamped/driven mechanism is discussed. As a result, trapezoid waveform is adopted which rise-rate is limited within 1 V/ms. Prototype actuator as well as specified three channels controller is finally manufactured and some tests are performed on them. The maximum step-length is 10.5 mm under 100 V. The displacement resolution is about 0.048 mm under 9 V. The maximum velocity and dynamic force are 412 mm/s and 2.85 Kgf separately. http://www.sensorsportal.com/HTML/DIGEST/may_2014/Vol_171/P_RP_0128.pdfPiezoelectric actuatorBidirectional thrustInchworm motionTrapezoid time-sequence.
collection DOAJ
language English
format Article
sources DOAJ
author Shunming HUA
Guosong LIU
Xiaojun WANG
Yiqiang WANG
Jialin LI
spellingShingle Shunming HUA
Guosong LIU
Xiaojun WANG
Yiqiang WANG
Jialin LI
A Piezoelectric Inchworm Actuator with Bidirectional Thrust Force
Sensors & Transducers
Piezoelectric actuator
Bidirectional thrust
Inchworm motion
Trapezoid time-sequence.
author_facet Shunming HUA
Guosong LIU
Xiaojun WANG
Yiqiang WANG
Jialin LI
author_sort Shunming HUA
title A Piezoelectric Inchworm Actuator with Bidirectional Thrust Force
title_short A Piezoelectric Inchworm Actuator with Bidirectional Thrust Force
title_full A Piezoelectric Inchworm Actuator with Bidirectional Thrust Force
title_fullStr A Piezoelectric Inchworm Actuator with Bidirectional Thrust Force
title_full_unstemmed A Piezoelectric Inchworm Actuator with Bidirectional Thrust Force
title_sort piezoelectric inchworm actuator with bidirectional thrust force
publisher IFSA Publishing, S.L.
series Sensors & Transducers
issn 2306-8515
1726-5479
publishDate 2014-05-01
description An inchworm actuator is designed as symmetrical structural layout, which can generate bidirectional thrust force. The clamped flexible mechanisms are set in stator and that of driven are in mover. Firstly, the parameters of flexible hinges are analyzed and optimized. Then, a kind of 6- division time-sequence signal applied to clamped/driven mechanism is discussed. As a result, trapezoid waveform is adopted which rise-rate is limited within 1 V/ms. Prototype actuator as well as specified three channels controller is finally manufactured and some tests are performed on them. The maximum step-length is 10.5 mm under 100 V. The displacement resolution is about 0.048 mm under 9 V. The maximum velocity and dynamic force are 412 mm/s and 2.85 Kgf separately.
topic Piezoelectric actuator
Bidirectional thrust
Inchworm motion
Trapezoid time-sequence.
url http://www.sensorsportal.com/HTML/DIGEST/may_2014/Vol_171/P_RP_0128.pdf
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