Tech Briefs Magazine - August 2021 - MD-22

Motion Components for
Industrial Automation
and Robotics
" Flexoelectricity " in Soft
Elastomers Could
Improve Robot Movement
A connection between electricity and
mechanical motion in soft, rubber-like materials
could improve robot range.
University of Houston, Texas and Air Force
Research Laboratory, Wright-Patterson Air Force
Base, Ohio
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Some materials in nature can significantly change in size
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and shape - or deform - like a rubber band when an
electrical signal is sent. The materials act as an energy converter
that deforms when an electrical signal is sent through
or supplies electricity when manipulated. This is called piezoelectricity
and is useful in creating sensors and laser electronics,
among several other end uses. These naturally occurring
materials are rare and consist of stiff crystalline structures
that are often toxic - three distinct drawbacks for human
applications.
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Manmade polymers offer steps toward alleviating these
pain points by eliminating material scarcity and creating
soft polymers capable of bending and stretching - known
as soft elastomers - but previously, those soft elastomers
lacked significant piezoelectric attributes.
Researchers have demonstrated " giant flexoelectricity " in soft
elastomers that could improve robot movement range and make
self-powered pacemakers a real possibility. This theory engineers
a connection between electricity and mechanical motion in soft,
rubber-like materials. While some polymers are weakly piezoelectric,
there are no soft, rubber-like materials that are piezoelectric.
The term for these multifunctional soft elastomers with
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Human-like robots made with soft elastomers that contain increased flexoelectric
properties would be capable of a greater range of motion to perform physical tasks.
Motion Design, August 2021
http://info.hotims.com/79416-713 http://info.hotims.com/79416-714 http://www.abpi.net/ntbpdfclicks/l.php?202108MDNAV

Tech Briefs Magazine - August 2021

Table of Contents for the Digital Edition of Tech Briefs Magazine - August 2021

Tech Briefs Magazine - August 2021 - Intro
Tech Briefs Magazine - August 2021 - Sponsor
Tech Briefs Magazine - August 2021 - Cov1
Tech Briefs Magazine - August 2021 - Cov2
Tech Briefs Magazine - August 2021 - 1
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Tech Briefs Magazine - August 2021 - 3
Tech Briefs Magazine - August 2021 - 4
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Tech Briefs Magazine - August 2021 - Cov3
Tech Briefs Magazine - August 2021 - Cov4
Tech Briefs Magazine - August 2021 - MD-Cov1
Tech Briefs Magazine - August 2021 - MD-Cov2
Tech Briefs Magazine - August 2021 - MD-1
Tech Briefs Magazine - August 2021 - MD-2
Tech Briefs Magazine - August 2021 - MD-3
Tech Briefs Magazine - August 2021 - MD-4
Tech Briefs Magazine - August 2021 - MD-5
Tech Briefs Magazine - August 2021 - MD-6
Tech Briefs Magazine - August 2021 - MD-7
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Tech Briefs Magazine - August 2021 - MD-10
Tech Briefs Magazine - August 2021 - MD-11
Tech Briefs Magazine - August 2021 - MD-12
Tech Briefs Magazine - August 2021 - MD-13
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Tech Briefs Magazine - August 2021 - MD-16
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Tech Briefs Magazine - August 2021 - MD-20
Tech Briefs Magazine - August 2021 - MD-21
Tech Briefs Magazine - August 2021 - MD-22
Tech Briefs Magazine - August 2021 - MD-23
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Tech Briefs Magazine - August 2021 - MD-25
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Tech Briefs Magazine - August 2021 - MD-30
Tech Briefs Magazine - August 2021 - MD-31
Tech Briefs Magazine - August 2021 - MD-32
Tech Briefs Magazine - August 2021 - MD-33
Tech Briefs Magazine - August 2021 - MD-34
Tech Briefs Magazine - August 2021 - MD-35
Tech Briefs Magazine - August 2021 - MD-36
Tech Briefs Magazine - August 2021 - MD-37
Tech Briefs Magazine - August 2021 - MD-38
Tech Briefs Magazine - August 2021 - MD-39
Tech Briefs Magazine - August 2021 - MD-40
Tech Briefs Magazine - August 2021 - MD-Cov3
Tech Briefs Magazine - August 2021 - MD-Cov4
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