Haptic interfaces using dielectric electroactive polymers

Ozsecen, Muzaffer Y.; Sivak, Mark; Mavroidis, Constantinos

doi:10.1117/12.847244

Cited by 27 publications

(20 citation statements)

References 9 publications

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“…Thus far, many different kinds of EAP materials, for example, polymer gel,1 conducting polymers,2, 3 ionic polymer‐metal composites (IPMC),4–6 carbon nanotubes,7, 8 graphene nanosheets,9–11 dielectric elastomers12 and ferroelectric polymers13 have been newly developed and deeply investigated. Electroactive polymers have been considered a challenging nature‐inspired technology for various attractive applications such as soft organic electronics,14 haptic devices,15 biomimetic robots,16 smart electronic textiles in biomedicine,17 braille display,18 bio‐medical devices,19 and biomimetic sensory‐actuators 20. Therefore, the development of high‐fidelity electro‐active polymers is crucial for successfully achieving those challenging applications.…”

Section: Introductionmentioning

confidence: 99%

Dry‐Type Artificial Muscles Based on Pendent Sulfonated Chitosan and Functionalized Graphene Oxide for Greatly Enhanced Ionic Interactions and Mechanical Stiffness

Jeon

Cheedarala

Kee

et al. 2013

Adv Funct Materials

108

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Biopolymer-based artifi cial muscles are promising candidates for biomedical applications and smart electronic textiles due to their multifaceted advantages like natural abundance, eco-friendliness, cost-effectiveness, easy chemical modifi cation and high electical reactivity. However, the biopolymerbased actuators are showing relatively low actuation performance compared with synthetic electroactive polymers because of inadequate mechanical stiffness, low ionic conductivity and ionic exchange capacity (IEC), and poor durability over long-term activation. This paper reports a high-performance electro-active nano-biopolymer based on pendent sulfonated chitosan (PSC) and functionalized graphene oxide (GO), exhibiting strong electro-chemomechanical interations with ionic liquid (IL) in open air environment. The proposed GO-PSC-IL nano-biopolymer membrane shows an icnreased tensile strength and ionic exchange capacity of up to 44.8% and 83.1%, respectively, and increased ionic conductivity of over 18 times, resulting in two times larger bending actuation than the pure chitosan actuator under electrical input signals. Eventually, the GO-PSC-IL actuators could show robust and high-performance actuation even at the very low applied voltages that are required in realistic applications.nano-biopolymer actuator that shows very large bending deformations under low input voltages in a dry environment. Scheme 1 . Schematic illustration for pendent sulfonated chitosan and graphene oxide-pendent sulfonated chitosan-ionic liquid (GO-PSC-IL) nano-biopolymer actuator.

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Section: Introductionmentioning

confidence: 99%

Dry‐Type Artificial Muscles Based on Pendent Sulfonated Chitosan and Functionalized Graphene Oxide for Greatly Enhanced Ionic Interactions and Mechanical Stiffness

Jeon

Cheedarala

Kee

et al. 2013

Adv Funct Materials

108

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“…where [1 ] t N  is the iteration of the training data, u (t) is the real control signal, u h(t) is the predicted control signal, and N is the dimension of the training data set.…”

Section: Parameters Identification Of the Proposed Inverse Narx Fuzzymentioning

confidence: 99%

Inverse modeling and control of a dielectric electro-active polymer smart actuator

Truong

Ahn

2015

Sensors and Actuators A: Physical

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“…EAPs are capable of producing large deformations in the presence of electric fields and alternatively can be used to convert mechanical deformation to electric potential difference (Pelrine et al, 2000;Kofod, 2001;Jung et al, 2008). Their use has been demonstrated in the development of artifical muscles and robotic manipultors (Wingert et al, 2006;Shintake et al, 2016), haptic interfaces (Ozsecen et al, 2010), electric generators (Pelrine et al, 2001), propulsion systems (Michel et al, 2008) and sensing equipments (O'Halloran et al, 2008). Development of variational principles for nonlinear electromechanics is essential to derive a consistent set of partial differential equations and suitable boundary conditions, analysis of stability of equilibrium, and to perform computations based on the finite element method.…”

Section: Introductionmentioning

confidence: 99%

On equilibrium equations and their perturbations using three different variational formulations of nonlinear electroelastostatics

Saxena

Sharma

2020

Mathematics and Mechanics of Solids

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We derive the equations of nonlinear electroelastostatics using three different variational formulations involving the deformation function and an independent field variable representing the electric character – considering either the electric field [Formula: see text], the electric displacement [Formula: see text] or the electric polarization [Formula: see text]. The first variation of the energy functional results in the set of Euler–Lagrange partial differential equations, which are the equilibrium equations, boundary conditions and certain constitutive equations for the electroelastic system. The partial differential equations for obtaining the bifurcation point have also been found using the bilinear functional based on the second variation. We show that the well-known Maxwell stress in a vacuum is a natural outcome of the derivation of equations from the variational principles and does not depend on the formulation used. As a result of careful analysis, it is found that there are certain terms in the bifurcation equation that appear to be difficult to obtain using ordinary perturbation-based analysis of the Euler–Lagrange equation. From a practical viewpoint, the formulations based on [Formula: see text] and [Formula: see text] result in simpler equations and are expected to be more suitable for analysing problems of stability as well as post-buckling behaviour.

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Haptic interfaces using dielectric electroactive polymers

Cited by 27 publications

References 9 publications

Dry‐Type Artificial Muscles Based on Pendent Sulfonated Chitosan and Functionalized Graphene Oxide for Greatly Enhanced Ionic Interactions and Mechanical Stiffness

Dry‐Type Artificial Muscles Based on Pendent Sulfonated Chitosan and Functionalized Graphene Oxide for Greatly Enhanced Ionic Interactions and Mechanical Stiffness

Inverse modeling and control of a dielectric electro-active polymer smart actuator

On equilibrium equations and their perturbations using three different variational formulations of nonlinear electroelastostatics

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