Soft Actuators for Soft Robotic Applications: A Review

El‐Atab, Nazek; Mishra, Rishabh; Al‐Modaf, Fhad; Joharji, Lana; Alsharif, Aljohara A.; Alamoudi, Haneen; Diaz, Marlon; Qaiser, Nadeem; Hussain, Muhammad Mustafa

doi:10.1002/aisy.202070102

Cited by 134 publications

(75 citation statements)

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“…Even though IPMCs exert low actuation force, they are suitable for applications requiring underwater movement 23 . By contrast, DEAs harness coulombic attraction to deform elastomers layered between two compliant electrodes 20 . Due to their high power density and responsiveness, DEAs are favored in muscle‐mimetic (Figure 3D) 2 and crawling applications 30 …”

Section: Bioroboticsmentioning

confidence: 99%

“…The most commonly used pneumatic actuators utilize pressurized air to inflate and deflate embedded air cavities, resulting in linear or rotational deformation. 20,21 Due to their high responsiveness, high work density, and large strain capability, pneumatic actuators are the favorite approach to achieve biorobotic locomotion and for fabrication of gripping devices (Figure 3A). 22 Generally, pneumatically actuated systems must be tethered to an external pump or another pressure source to facilitate actuation.…”

Section: Actuationmentioning

confidence: 99%

“…23 By contrast, DEAs harness coulombic attraction to deform elastomers layered between two compliant electrodes. 20 Due to their high power density and responsiveness, DEAs are favored in muscle-mimetic (Figure 3D) 2 and crawling applications. 30…”

Section: Actuationmentioning

confidence: 99%

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Recent advances in materials and applications for bioelectronic and biorobotic systems

Phillips

Promiński

Tian

2022

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The ultimate goal of the advancements in bioelectronics and robotics is the creation of seamless interfaces between artificial devices and biological structures. Current efforts in this area have been focused on designing biocompatible, mechanically compliant, and minimally invasive electronic and robotic systems for a range of applications, such as motor control and sweat sensing. The purposeful design of bioelectronic and robotic systems using the principles of biomimicry enables the creation of biocompatible and life-like machines and electronics. The success of such approaches relies on the new development and applications of soft materials, as well as methods of actuation and sensing that are inspired, either by composition, function, or properties, of the naturally occurring organisms. A combination of rigid structural components, soft actuators, and flexible sensors can enable the integration of such devices with biological organisms and eventually human users. In this review, we highlight the recent advances in biomimetic soft robotics and bioelectronics. We describe the soft robotic fabrication toolbox and modern solution in bioelectronics that, in our opinion, will enable the fusion of these fields by creating robotic bioelectronic systems. Future development in this area will require substantial integration of adaptable and responsive components at the biointerfaces.

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Section: Bioroboticsmentioning

confidence: 99%

Section: Actuationmentioning

confidence: 99%

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Recent advances in materials and applications for bioelectronic and biorobotic systems

Phillips

Promiński

Tian

2022

VIEW

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“…This indicates the importance of light for life. [ 2 ] Inspired by the light‐responsive properties that occur naturally, various intelligent photoresponsive materials have been developed in recent years, such as molecular actuator, [ 3 ] artificial muscles, [ 4‐5 ] and artificial synapses. [ 6 ] In fact, the reason for the popularity of light‐responsive materials is that, among various external stimuli, [ 7‐8 ] light shows unique advantages, including remote activation, space‐ controlled activation, facile switch process, and the miniaturization of devices.…”

Section: Background and Originality Contentmentioning

confidence: 99%

Photodegradation‐Induced Turn‐On Luminescence of Tetraphenylethylene‐Based Trithiocarbonate Polymers^†

Shen

Liu

et al. 2021

Chin. J. Chem.

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Main observation and conclusion Fluorescent intelligent materials have attracted wide attention because of their great potential applications. One major hurdle for the development and application of fluorescent intelligent materials is the aggregation‐caused quenching effect in the solid state. Herein, tetraphenylethylene‐based trithiocarbonate polymers with satisfactory molecular weights (Mw up to 24900) were synthesized through a one‐pot polymerization route under mild conditions. The polymers were non‐emissive due to the quenching effect of the trithiocarbonate group. However, upon UV irradiation, the polymers degraded and strong emission from the tetraphenylethylene unit was observed. Such a unique property endows them with great potential applications, such as photopatterning, anti‐counterfeit labels, and UV detection.

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“…While inserted into the human body via small catheters, they can be miniaturized, deformed, and consequently, regain a larger pre-set shape in the right position [1]. In addition, soft robotics has benefited significantly from using SMP foams [2][3][4]. Applications of two-way and multiple-way SMPs in soft robotics had been reviewed by Scalet [5].…”

Section: Introductionmentioning

confidence: 99%

Nonlinear Finite Element Modelling of Thermo-Visco-Plastic Styrene and Polyurethane Shape Memory Polymer Foams

et al. 2021

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This paper presents nonlinear finite element (FE) models to predict time- and temperature-dependent responses of shape memory polymer (SMP) foams in the large deformation regime. For the first time, an A SMP foam constitutive model is implemented in the ABAQUS FE package with the aid of a VUMAT subroutine to predict thermo-visco-plastic behaviors. A phenomenological constitutive model is reformulated adopting a multiplicative decomposition of the deformation gradient into thermal and mechanical parts considering visco-plastic SMP matrix and glass microsphere inclusions. The stress split scheme is considered by a Maxwell element in parallel with a hyper-elastic rubbery spring. The Eyring dashpot is used for modelling the isotropic resistance to the local molecular rearrangement such as chain rotation. A viscous flow rule is adopted to prescribe shear viscosity and stress. An evolution rule is also considered for the athermal shear strengths to simulate macroscopic post-yield strain-softening behavior. In order to validate the accuracy of the model as well as the solution procedure, the numerical results are compared to experimental responses of Styrene and Polyurethane SMP foams at different temperatures and under different strain rates. The results show that the introduced FE modelling procedure is capable of capturing the major phenomena observed in experiments such as elastic and elastic-plastic behaviors, softening plateau regime, and densification.

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Soft Actuators for Soft Robotic Applications: A Review

Cited by 134 publications

References 0 publications

Recent advances in materials and applications for bioelectronic and biorobotic systems

Recent advances in materials and applications for bioelectronic and biorobotic systems

Photodegradation‐Induced Turn‐On Luminescence of Tetraphenylethylene‐Based Trithiocarbonate Polymers^†

Nonlinear Finite Element Modelling of Thermo-Visco-Plastic Styrene and Polyurethane Shape Memory Polymer Foams

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Soft Actuators for Soft Robotic Applications: A Review

Cited by 134 publications

References 0 publications

Recent advances in materials and applications for bioelectronic and biorobotic systems

Recent advances in materials and applications for bioelectronic and biorobotic systems

Photodegradation‐Induced Turn‐On Luminescence of Tetraphenylethylene‐Based Trithiocarbonate Polymers†

Nonlinear Finite Element Modelling of Thermo-Visco-Plastic Styrene and Polyurethane Shape Memory Polymer Foams

Contact Info

Product

Resources

About

Photodegradation‐Induced Turn‐On Luminescence of Tetraphenylethylene‐Based Trithiocarbonate Polymers^†