&lt;title&gt;Electroelastomers: applications of dielectric elastomer transducers for actuation, generation, and smart structures&lt;/title&gt;

Kornbluh, Roy; Pelrine, Ron; Pei, Qibing; Heydt, Richard; Stanford, Scott; Oh, Seajin; Eckerle, Joseph

doi:10.1117/12.475072

Cited by 242 publications

(218 citation statements)

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“…et al, 2013) (Li T.F. et al, 2012a;Wang J. et al, 2014) Modulus 20-2000kPa (Morrow et al, 2010 20-2000 kPa (Sheng et al, 2012) (Kornbluh et al, 2002) 0.94 kg/L (Shankar et al, 2007) et al ., 2014). This type of DE actuator usually consists of an initially curved membrane made of a circular membrane with its boundary constrained to a rigid frame.…”

Section: Propertymentioning

confidence: 99%

Mechanics of dielectric elastomers: materials, structures, and devices

Qian

2016

JZUS-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. In this review, we survey some recent theoretical and numerical efforts in exploring several aspects of electroactive materials, with emphases on the governing equations of electromechanical coupling, constitutive laws, viscoelastic behaviors, electromechanical instability as well as actuation applications. An overview of analytical models is provided based on the representative approach of non-equilibrium thermodynamics, with computational analyses being required in more generalized situations such as irregular shape, complex configuration, and time-dependent deformation. Theoretical efforts have been devoted to enhancing the working limits of DE actuators by avoiding electromechanical instability as well as electric breakdown, and pre-strains are shown to effectively avoid the two failure modes. These studies lay a solid foundation to facilitate the use of DE materials, structures, and devices in a wide range of applications such as biomedical devices, adaptive systems, robotics, energy harvesting, etc.

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Section: Propertymentioning

confidence: 99%

Mechanics of dielectric elastomers: materials, structures, and devices

Qian

2016

JZUS-A

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“…In particular, vibration-based energy harvesting techniques were developed based on various different transduction mechanisms, e.g. electromagnetic induction [4][5][6], piezoelectricity [7][8][9][10], electrostatic generation [11] dielectric elastomers [12] and so on. Many vibration-based energy harvesting devices are essentially micro or small resonant structures (e.g.…”

Section: Introductionmentioning

confidence: 99%

An experimental study on self-powered vibration control and monitoring system using electromagnetic TMD and wireless sensors

Shen

Zhu

2012

Sensors and Actuators A: Physical

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This paper proposed and validated a self-powered vibration control and monitoring (SVCM) system which consists of a pendulum-type tuned mass damper (TMD), a rotary electromagnetic (EM) device, an energy harvesting circuit (EHC) and a wireless smart sensor (WSS). As the key element in the system, the regenerative electromagnetic TMD (EMTMD) is able to convert vibration energy of structures to electrical energy, and thus plays dual functions, namely, vibration mitigation and energy harvesting. With the aid of EHC, the electrical energy can be further stored and used to power WSS that closely monitor structural vibration responses. The feasibility of the proposed SVCM system was validated via shaking table tests, in which a single-degree-of-freedom (SDOF) structural model equipped with the SVCM system was tested under random excitations. The functionality of the SVCM system was discussed with regard to the vibration control, energy harvesting and vibration monitoring performance. The experimental results revealed that the proposed regenerative EMTMD device can provide regenerative and economical power to WSS. The harvested power reaches about 312.4 mW under random ground motions with root-mean-square (RMS) acceleration equal to 0.05g. Meanwhile, the comparison shows that the peak magnitude of the frequency response function of structural displacement is reduced by 10 dB with the aid of the EMTMD. This study demonstrates that the SVCM system provides a novel and promising solution to the power supply problem associated with wireless sensing technology, and will stimulate the integration of vibration control and monitoring system.

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“…Candidate actuators have high power densities at the centimeter to micrometer scales and favorable scaling effects as actuator size is reduced. The technologies selected for analysis can be divided into five categories: electrostatic [9], piezoelectric [10], thermal [11], shape memory [12], and dielectric elastomer [13]. An overview of the categories is given in Table II.…”

Section: Actuator Selectionmentioning

confidence: 99%

“…Actuator efficiency is strongly dependent on the exact actuator implementation, and therefore it is difficult to model accurately, particularly for the complex heat loss processes of temperature-activated materials. Common values found in literature [12], [13], [18], listed in Table II, are used to estimate efficiency.…”

Section: Geometrymentioning

confidence: 99%

A review of actuation and power electronics options for flapping-wing robotic insects

Karpelson

Wei

Wood

2008

2008 IEEE International Conference on Robotics and Automation

140

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Abstract-Flapping-wing robotic insects require actuators with high power densities at centimeter to micrometer scales. Due to the low weight budget, the selection and design of the actuation mechanism needs to be considered in parallel with the design of the power electronics required to drive it. This paper explores the design space of flapping-wing microrobots weighing 1g and under by determining mechanical requirements for the actuation mechanism, analyzing potential actuation technologies, and discussing the design and realization of the required power electronics. Promising combinations of actuators and power circuits are identified and used to estimate microrobot performance.

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<title>Electroelastomers: applications of dielectric elastomer transducers for actuation, generation, and smart structures</title>

Cited by 242 publications

References 0 publications

Mechanics of dielectric elastomers: materials, structures, and devices

Mechanics of dielectric elastomers: materials, structures, and devices

An experimental study on self-powered vibration control and monitoring system using electromagnetic TMD and wireless sensors

A review of actuation and power electronics options for flapping-wing robotic insects

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