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Flexonics
[chapter]
2004
Springer Tracts in Advanced Robotics
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Flexonics integrates structural, mechanical and electronic elements based on 3D printing techniques, in particular inkjet printing. ...
This paper outlines some principles for flexonic design, which is based on flexion rather than sliding or rolling motion as in traditional mechanics. ...
Current techniques for fabricating planar dielectric elastomer actuators are quite primitive. Dielectric elastomer is first stretched across a rigid frame. ...
doi:10.1007/978-3-540-45058-0_13
fatcat:psphihgis5gyhbzjoaxnwcq7eu
Review of dielectric elastomers for actuators, generators and sensors
2020
IET Nanodielectrics
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Dielectric elastomer (DE) is an important member of the EAP. ...
DE has the characteristics of excellent performance, such as light weight, low noise, low cost, and so on, which guarantee its wide applications in the fields of actuators, generators, sensors. ...
The plane-parallel capacitor model is used to illuminate the conversion between electrical energy and mechanical energy through DEs. ...
doi:10.1049/iet-nde.2019.0045
fatcat:wdpssprlujcmjbsq5lri6jhi3m
Polymer artificial muscles
2007
Materials Today
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Materials used include elastomers, conducting polymers, ionically conducting polymers, and carbon nanotubes. ...
The performance of the emerging polymer actuators exceeds that of natural muscle in many respects, making them particularly attractive for use anywhere where a muscle-like response is desirable, including ...
Stacking in layers 14 or rolling into tubes produces larger forces by making multiple thin layers of DEAs apply their actuation forces in parallel. ...
doi:10.1016/s1369-7021(07)70048-2
fatcat:wy3rivte3nfllj7m456t45oqba
Increasing the performance of dielectric elastomer actuators: A review from the materials perspective
2015
Progress in polymer science
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Among EAPs, dielectric elastomer (DE) devices are soft or flexible capacitors, composed of a thin elastomeric membrane sandwiched between two compliant electrodes, that are able to transduce electrical ...
Initial studies concentrated mainly on dielectric elastomer actuators (DEAs) and identified the electro-mechanical principles and material requirements for an optimal performance. ...
Unimorph actuators are made of a DE bonded to a flexible substrate; whereas in bimorph actuators the flexible substrate is sandwiched between two DE films. ...
doi:10.1016/j.progpolymsci.2015.08.002
fatcat:uhnekf2ub5am7nv4oi34aylf6q
Electroactive Polymers as Artificial Muscles: A Review
2002
Journal of Spacecraft and Rockets
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This characteristic allows producing longi- tudinal actuators using dielectric elastomer films with flexible elec- trodes that appear to act similarly to biological muscles. ...
This dielectric EAP, also known as electrostat- ically stricted polymer actuators, can be represented by a parallel plate capacitor. ...
doi:10.2514/2.3902
fatcat:7ptj7yjejfbtlm5ym373vknite
Mechanics of dielectric elastomers: materials, structures, and devices
2016
Journal of Zhejiang University: Science A
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Dielectric elastomers (DEs) respond to applied electric voltage with a surprisingly large deformation, showing a promising capability to generate actuation in mimicking natural muscles. ...
A theoretical foundation of the mechanics of DEs is of crucial importance in designing DE-based structures and devices. ...
Various types of smart materials have been used as artificial muscles with assumed response to external stimuli, including dielectric elastomers (DEs), ferroelectric polymers (FPs), ionic polymer-metal ...
doi:10.1631/jzus.a1500125
fatcat:5kuzzf37q5edxhdd6fxwwi5sbm
Biorobotics: An Overview of Recent Innovations in Artificial Muscles
2022
Actuators
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to actuate artificial muscles as a whole. ...
In this overview of recent developments in the field of biorobotics we cover the developments in materials such as the use of polyester fabric being used as artificial skin and the start of whole new ways ...
It consists of several parallel elastomer tubes being wound into a matrix by wires perpendicular to the tubes. ...
doi:10.3390/act11060168
fatcat:aqxzsfspy5a73o4jjh6yupmfq4
Flexible and stretchable electrodes for dielectric elastomer actuators
2012
Applied Physics A: Materials Science & Processing
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Dielectric elastomer actuators (DEAs) are flexible lightweight actuators that can generate strains of over 100 %. ...
The electrodes are required for electrostatic actuation, but also enable resistive and capacitive sensing of the strain, leading to self-sensing actuators. ...
Introduction Dielectric Elastomer Actuators (DEAs), also known as artificial muscles, are a new type of soft transducer consisting of a thin elastomer membrane sandwiched between two compliant electrodes ...
doi:10.1007/s00339-012-7402-8
fatcat:whtbvvsrhnhubenvrhwnrrlr4y
Review of Soft Fluidic Actuators: Classification and Materials Modeling Analysis
2021
Smart materials and structures (Print)
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Regarding the fact that the performance of soft actuators is dependent on material selection, we then focus on the behaviors and mechanical properties of the various types of silicone which can be found ...
Soft actuators can be classified into five categories: tendon-driven actuators, electroactive polymers (EAPs), shape-memory materials, soft fluidic actuators (SFAs), and hybrid actuators. ...
Like DEA, HASEL actuators include two flexible layers but use liquid dielectric instead of elastomers. ...
doi:10.1088/1361-665x/ac383a
fatcat:ztuwjwuygrbsfasedfdj5wtlda
Small, fast, and tough: Shrinking down integrated elastomer transducers
2016
Applied Physics Reviews
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We review recent progress in miniaturized dielectric elastomer actuators, sensors and energy harvesters. ...
We focus primarily on configurations where the large strain, high compliance, stretchability and high level of integration o↵ered by dielectric elastomer transducers provide significant advantages over ...
ACKNOWLEDGMENTS The authors would like to thank the many authors who have accepted to share their results with us and agreed to the use of their pictures and figures. ...
doi:10.1063/1.4963164
fatcat:5c3hppd7nvd7rbsp4famocc5hu
Artificial Muscles for Humanoid Robots
[chapter]
2007
Humanoid Robots, Human-like Machines
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actuators used in industrial robot-arms. ...
But if this technology simplifies actuator mechanical integration and leads to the use of simple joint linear control, despite the highly non-linear character of robot dynamics, it is well-known that the ...
Electroactive polymers : Dielectric elastomers Dielectric elastomer actuator technology appeared in the middle of the 1990s. ...
doi:10.5772/4799
fatcat:hxaw6avadrg3vbn6a45t6aejve
Soft Robotic Grippers
2018
Advanced Materials
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Soft grippers using dielectric elastomer actuators (DEAs) and ionic-polymer-metal composites (IPMCs). a) Dielectric elastomer minimum energy structure (DEMES). Reproduced with permission. ...
., has a layered structure composed by a stretchable circuit, a dielectric elastomer, and a flexible substrate (Figure 11f ). ...
doi:10.1002/adma.201707035
pmid:29736928
fatcat:ysjvdzllnneirolc6hmkxc5k2e
Highly sensitive strain sensor from topological-structure modulated dielectric elastic nanocomposites
[article]
2021
arXiv
pre-print
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An interdigital capacitive strain sensor is designed using the topological structured elastic dielectric nanocomposite. ...
The prepared integrated strain sensor arrays are able to measure local strain of convoluted surfaces and monitor the motion of soft actuators in real time, and they would make conditions for intelligent ...
PDMS
SWCNT
Parallel-plate capacitive
0.4
50%
1
Silicone elastomer
Aluminum & silver
Parallel-plate capacitive
0.9
85%
2
Acrylic elastomer
AgNW-PU composite
Parallel-plate capacitive
0.5 ...
arXiv:2110.04949v1
fatcat:kuu773djdjehlmmlv6jv6wopv4
Recent Progress on Electroactive Polymers: Synthesis, Properties and Applications
2021
Ceramics
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Such interactions could reduce their useful life and need significant research attention for enhancing their life. ...
Moreover, their mechanical interactions have been investigated from a tribological perspective as all these EAPs undergo surface interactions. ...
Dielectric elastomers, known for their high deformability and ease of production, could be useful in these types of robotic applications. ...
doi:10.3390/ceramics4030038
fatcat:slf4zocosfbnbosa5usucrox2m
Biology and bioinspiration of soft robotics: Actuation, sensing, and system integration
2021
iScience
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Organisms in nature grow with senses, nervous, and actuation systems coordinated in ingenious ways to sustain metabolism and other essential life activities. ...
Here, the actuation and sensing strategies in the natural biological world are summarized along with their man-made counterparts applied in soft robotics. ...
Park et al. reported a flexible piezoelectric sensor based on microporous dielectric elastomer with superior sensitivity and stable pressure sensing ability (Figure 8C , bottom) (Kwon et al., 2016) . ...
doi:10.1016/j.isci.2021.103075
pmid:34568796
pmcid:PMC8449090
fatcat:4darud5p5nainos6zggpqrg35a
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