Analyses and comparison of an energy harvesting system for dielectric elastomer generators using a passive harvesting concept: the voltage-clamped multi-phase system

Kessel, Rick van; Wattez, Ambroise; Bauer, Pavol

doi:10.1117/12.2084316

Cited by 9 publications

(7 citation statements)

References 3 publications

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“…To improve the control of the DEG charge state, the diode can be replaced with active switches between the DEG and voltage source and load [45,46]. Kussel et al investigated a passive DEG power generation system that used only diodes at the generator level [47].…”

Section: Deg Circuitmentioning

confidence: 99%

“…Since then, research and development for their practical use has progressed rapidly around the worldwide [8,. These studies include elastomer materials and their improvements [8, 18, 20-25, 27, 37, 55, 57, 66], electrical materials and their improvements [31,41,43,50,52], electric circuits [45][46][47][48], combination systems [17, 19, 26, 28-30, 32, 35, 42, 51, 56, 61, 62], and applications [33, 34, 36, 38-40, 44, 49, 53, 54, 58-60, 63-65, 67-80].…”

Section: Introductionmentioning

confidence: 99%

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Examination of factors to improve the performance of dielectric elastomer transducers and their applications

Chiba,

Waki,

Takeshita

et al. 2024

Smart Mater. Struct.

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Actuators, sensors, and generators using dielectric elastomers are inexpensive and light, and can be easily to structured, multilayer-able, and very efficient. They are　ideal for an eco-energy society. In the latest technology, an only 0.15 g dielectric elastomer can lift an 8 kg weight by 1 mm or more in just 88 ms. the near future, it can be applied to efficient drive systems of humanoid robots, systems that assist in driving the motors of electric vehicles, and various industrial machinery. It is highly likely that very thin and miniaturized dielectric elastomer sensors would also support the driving of motors. In addition, dielectric elastomer generators, which can be applied to various external forces, have attracted significant attention as a renewable energy source. In this paper, we discuss the R&D status of dielectric elastomers using mainly commercially available elastomer materials, give examples of issues, and discuss and their potential applications, and usefulness.The excellent performance of the dielectric elastomers mentioned above is largely due to their carbon-based electrodes. In this study, various carbon materials (including carbon grease, carbon black, MWCNT, and SWCNT) and their dielectric elastomer performances were compared.

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Section: Deg Circuitmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Examination of factors to improve the performance of dielectric elastomer transducers and their applications

Chiba,

Waki,

Takeshita

et al. 2024

Smart Mater. Struct.

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“…Currently, there are two approaches: (1) DE materials and mechanical systems using DEs [6,, and (2) operational strategies (circuit design) [36][37][38][39] that are being studied.…”

Section: Background Of Dielectric Elastomersmentioning

confidence: 99%

The Possibility of a High-Efficiency Wave Power Generation System Using Dielectric Elastomers

Chiba

Waki²,

Jiang

et al. 2021

Energies

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Power generation using dielectric elastomer (DE) artificial muscle is attracting attention because of its light weight, low cost, and high-efficiency. Since this method is a system that produces electricity without emitting carbon dioxide nor using rare earths, it would contribute to the goal of environmental sustainability. In this paper, the background of DEs, the associated high efficiency wave energy generation (WEG) systems that we developed using DEs, as well as the latest development of its material are summarized. By covering both the challenges and achievements, this paper discusses the opportunities to build the foundation of an energy recycling society through the usage of these WEGs. To make these possibilities commercially successful, the advantages of DEs need to be integrated with traditional technologies. To achieve this, the method of using DEs alone and a system used in combination with an oscillating water column were also considered. Finally, the current status and future of DE generators (DEGs) are discussed.

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“…Two approaches, (1) DE materials and mechanical systems using DEs [6,19,20,21,22,[23][24][25][26][27], and (2) operating strategies (circuit designs) [21,[28][29][30] are being studied at the present.…”

Section: Background On De Artificial Musclementioning

confidence: 99%

Innovative Elastomer Transducer Driven by Karman Vortices in Water Flow

Chiba¹,

Hasegawa²,

Waki³

et al. 2017

JMSE-A

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A simple experimental model of a power generation system was tested in a flowing water tank in order to investigate the performance and feasibility of a small hydroelectric generation system using DE (dielectric elastomer) transducer. The mass of DE material in the power generator module was only 0.1 g. The electric energy generated with a stroke of 10 mm was 12.54 mJ. An electrical energy of approximately 1.5 J per cycle of DE generators can be expected to be generated by scaling up this system, which is capable of being equipped with up to about 100 units of DE transducers. The water velocity was set at 0.30 to 0.70 m/s. This is a small flow, about the same flow as the water in a Japanese garden. This system was driven by Karman vortices in the wake of a cylinder fixed in the water flow. The characteristics of DEs can be utilized to produce electric power effectively. A wing, which is an important part in the generation system to convert fluid energy into mechanical energy, was set behind the cylinder. The wing oscillated due to the pressure caused by Karman vortices, resulting in stretching and contracting of the DE transducers, thus producing electrical power. Experimental results show that an average output power of approximately 31 mW was produced with a generation efficiency of about 66%, when the diameter of the cylinder is 60 mm, the span and chord length of the wing are 120 mm and 30 mm, respectively, the distance between the cylinder and the wing is 170 mm, and the velocity of the water flow is 0.50 m/s.

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Analyses and comparison of an energy harvesting system for dielectric elastomer generators using a passive harvesting concept: the voltage-clamped multi-phase system

Cited by 9 publications

References 3 publications

Examination of factors to improve the performance of dielectric elastomer transducers and their applications

Examination of factors to improve the performance of dielectric elastomer transducers and their applications

The Possibility of a High-Efficiency Wave Power Generation System Using Dielectric Elastomers

Innovative Elastomer Transducer Driven by Karman Vortices in Water Flow

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