WO2013072123A1 - Convertisseur de l'énergie des vagues comportant des polymères électroactifs - Google Patents

Convertisseur de l'énergie des vagues comportant des polymères électroactifs Download PDF

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Publication number
WO2013072123A1
WO2013072123A1 PCT/EP2012/069423 EP2012069423W WO2013072123A1 WO 2013072123 A1 WO2013072123 A1 WO 2013072123A1 EP 2012069423 W EP2012069423 W EP 2012069423W WO 2013072123 A1 WO2013072123 A1 WO 2013072123A1
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WO
WIPO (PCT)
Prior art keywords
wave energy
energy converter
water
swell
converter
Prior art date
Application number
PCT/EP2012/069423
Other languages
German (de)
English (en)
Inventor
Gabriele Michalke
Benjamin Hagemann
Matthias Grauer
Istvan Denes
Metin Koyuncu
Original Assignee
Robert Bosch Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO2013072123A1 publication Critical patent/WO2013072123A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
    • F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
    • F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
    • F03B13/16—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem"
    • F03B13/18—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore
    • F03B13/1805—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom is hinged to the rem
    • F03B13/181—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom is hinged to the rem for limited rotation
    • F03B13/1815—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom is hinged to the rem for limited rotation with an up-and-down movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
    • F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
    • F03B13/16—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem"
    • F03B13/18—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore
    • F03B13/1845—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom slides relative to the rem
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
    • H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/30—Piezoelectric or electrostrictive devices with mechanical input and electrical output, e.g. functioning as generators or sensors
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/50—Piezoelectric or electrostrictive devices having a stacked or multilayer structure
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/80—Constructional details
    • H10N30/85—Piezoelectric or electrostrictive active materials
    • H10N30/857—Macromolecular compositions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2220/00—Application
    • F05B2220/70—Application in combination with
    • F05B2220/709—Piezoelectric means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient

Definitions

  • the invention relates to a wave energy converter which uses the waves of a body of water to generate electrical energy.
  • An electroactive polymer generator comprises an electrode, a counter electrode and a dielectric elastomer which is mechanically connected to a float by means of a coupling element and a connecting element.
  • the float floats on a water surface and follows the wave motion on the water surface. The movement of the float is transferred to the polymer generator and converted into Dehnzucons.
  • an acceleration sensor detects the movement of the polymer generator and transmits the measured data via a signal line to a control unit.
  • the control unit is connected to a generator circuit which discharges electrodes in the polymer generator. As a result, the recovered electrical energy is harnessed for feeding into a charging battery, a buffer or a network.
  • the wave energy converter proposed according to the invention has an area which faces a watershed.
  • the area has walls that are designed so that water can enter the area.
  • a two-dimensional force transducer is included, which is linearly movable in the area, which faces the waters with swell.
  • the pressure force transducer is in contact with the water, and absorbs pressure forces that arise in the water due to the swell.
  • the pressure forces on the pressure transducer are not timely due to the wave characteristics constant.
  • the swell causes a periodic movement of the pressure force transducer.
  • the pressure transducer is mechanically coupled to a transducer module.
  • the converter module absorbs the inherent movement of the pressure force transducer, as a result of which deformations, for example strains and / or compressions, occur in the converter module.
  • the converter module converts the deformations into electrical energy.
  • the transducer module is designed as an electroactive polymer.
  • the energy converter can be designed such that the electroactive polymer is formed from a plurality of electroactive polymers, which in one
  • Stack arrangement are mounted. Such a stack arrangement increases the yield of electrical energy that is obtained from the waves.
  • the waves are the waves.
  • Wave energy converter be designed such that the pressure transducer wave-induced pressure forces that are exerted by the waters with swell in a rectilinear motion own. Furthermore, an embodiment is preferred in which the
  • Transducer module on a back which faces away from the pressure transducer, is stationarily counter-mounted.
  • the area facing the tidal waters is oriented substantially vertically.
  • the pressure force transducer is aligned horizontally, and closes the area that faces the water, substantially waterproof.
  • Pressure transducer encloses the wall of the area, which faces the water, a part of the water body.
  • the pressure transducer absorbs pressure forces during operation that arise as a result of a vertical component of the wave motion.
  • the area facing the body of water may be oriented horizontally, and the pressure force transducer may close the area standing vertically upright at the edges substantially watertight.
  • the pressure force transducer may close the area standing vertically upright at the edges substantially watertight.
  • Pressure transducer encloses the wall part of the water with swell. The area facing the water is completely below the water level of the water body. The pressure transducer absorbs forces that are caused as a result of a horizontal component of a wave movements of the water. Furthermore, the wave energy converter can be designed such that the converter module is located on a second side of the pressure force transducer, which with the water
  • the transducer module will not contact water and may be used under controlled operating conditions.
  • the wave energy converter may alternatively be designed such that the
  • Pressure transducer is designed as a floating body.
  • the float floats on the surface of the water, and follows its wave movements.
  • the float is coupled via a lever to the transducer module, and transmits by means of the lever, the wave motion of the water body on the transducer module.
  • the wave energy converter is preferably installed on a coast, where the waters with swell is a sea.
  • the electrical power that generates the converter module in operation is preferably fed by means of power electronics in a power grid.
  • Power electronics are designed to regulate voltage and current at the converter module and / or to provide a voltage that is compatible with the power grid.
  • Wave energy converter Furthermore, several such wave energy converters can be combined to form a wave energy power plant.
  • wave energy power plant which is designed as a floating power plant.
  • wave energy power plant which is designed as a floating power plant.
  • at least one wave energy converter floats on a water surface of a
  • the wave energy converter according to the invention uses a flat pressure force transducer, which is provided in an area which faces the water.
  • the plane is provided in an area which faces the water.
  • the wave energy converter makes use of electroactive polymers for the conversion of mechanical energy into electrical energy. Electroactive polymers can reach high strains and can be mechanically deformed relatively heavily. As a result, electroactive polymers are able to follow the wave motions and convert them into electrical energy. Furthermore, electroactive polymers have a natural frequency, which in one
  • Size range is equal to the period of a wave.
  • An elongation length of an electroactive polymer is in the same size range as a length of one
  • electroactive polymers are able to achieve a high energy density in the conversion of mechanical energy into electrical energy, which can be converted even with small amounts of electroactive polymer large amounts of energy.
  • the energy conversion is done with high efficiency, which is independent of the elongation of the electroactive polymer.
  • electroactive polymers are non-toxic, and are corrosion resistant. Furthermore, electroactive polymers withstand a high number of stress and relaxation cycles, have a low density, and are inexpensive to manufacture. As a result, electroactive polymers can be safely used on an industrial scale.
  • Electroactive polymers are thus suitable for use near the coast or on the open sea. Furthermore, electroactive polymers are to be introduced in stack arrangements, as a result of which efficient converter modules can be produced.
  • the electroactive polymers are each coated with an electrode made of a conductive material.
  • the wave energy converter according to the invention thereby allows an improved conversion of compressive forces into electrical energy.
  • the first embodiment of the wave energy converter according to the invention in which the area facing the body of water, is vertically aligned, in this case allows to implement the vertical component of a wave motion in self-motion. Waves that have vertical force components are thereby efficiently detected, and made energetically usable. Further ensures the watertight closure of the area, which faces the water, by the pressure transducer a maximum pressure difference on both sides of the pressure force transducer. As a result, the proper movement of the Druckkraftaufêts is maximized.
  • the wave energy converter according to the invention realizes the principle of an oscillating water column or Oscillating Water Column (OWC).
  • Oscillating Water Column Oscillating Water Column
  • Float is designed, an efficient, simple and inexpensive installation of the wave energy converter.
  • the converter module allows to adjust the lifting height on the converter module to the height of the waves by selecting the lever lengths. Further, the number of components in contact with water is reduced. Corrosion-prone components can be installed and protected on land. Furthermore, components installed on land can be easily maintained and replaced. The float is easily accessible and can also be easily serviced and replaced.
  • FIG. 1 shows schematically a first embodiment of the invention
  • FIG. 2 schematically shows a second embodiment of the wave energy converter according to the invention
  • FIG. 3 shows schematically a third embodiment of the invention
  • a wave energy converter 20 comprises a region 22 which faces a body of water 10 with swell 1 1.
  • the area 22 is bounded by a wall 26, which extends partially below the water level of the water body 10.
  • a planar pressure force transducer 24 is received, which is oriented substantially horizontally.
  • the flat force transducer 24 closes off the region 22 at edges substantially watertight by means of a closure 38.
  • a first side 25 of the pressure force transducer 24 is in contact with the body of water 10, while a second side 27 of the pressure force transducer 24 is not in contact with the body of water 10.
  • the pressure force transducer 24 absorbs wave-induced pressure forces of the water body 10, and converts these into a vertical proper movement.
  • the converter module 28 is designed as a stack arrangement 32 of electroactive polymers 30, and provided with a stationary counter bearing 48 on a rear side 29 facing away from the converter module 28.
  • a linear proper movement 34 of the pressure force transducer 24 is via a mechanical coupling 36 in a mechanical deformation, so. e.g. Strains and compressions, the converter module 28 implemented.
  • the strains and compressions of the converter module 28 are converted into electrical energy.
  • the electrical energy obtained by means of the converter module 28 is further electrically converted by means of power electronics 44, and fed into a power network 46.
  • a power grid 46 an intermediate storage for electrical energy, for example a battery, can be fed.
  • the wave energy converter in FIG. 2 has a region 22 which faces the body of water 10.
  • the water 10 facing area 22 is through a wall 26th limited, wherein the wall 26 encloses a part of the body of water 10.
  • the region 22 is aligned substantially horizontally and is provided with a vertically oriented Druckkraftaufillon 24.
  • the pressure force transducer 24 is movably received in the area 22, wherein the pressure force transducer 24 at its edge by means of a
  • a body of water 10 with swell 1 1 facing away from the second side 27 of the pressure force transducer 24 is a
  • Moving module 28 which is formed as a stack assembly 32 of electroactive polymers 30.
  • the stack arrangement 32 of electroactive polymers 30 is fastened to a rear side 29 facing away from the converter module 28 by means of a stationary counter bearing 48.
  • the converter module 28 is connected to the pressure force transducer 24 via a mechanical coupling 36.
  • the pressure force transducer 24 absorbs wave-induced pressure forces in the horizontal direction, and converts these into a linear proper movement 34.
  • the mechanical coupling 36 is the linear
  • the stack assembly 32 of electroactive polymers 30 implemented.
  • the electroactive polymers 30 convert the mechanical
  • the electrical energy thus obtained is further converted by means of power electronics 44 to the effect that the electrical power obtained can be fed into a power grid 46.
  • a buffer for electrical energy such as a battery, are fed.
  • the embodiment of the wave energy converter according to the invention shown in FIG. 3 has a pressure force transducer 24, which is designed as a floating body 42.
  • the float 42 floats on the surface of the water body 10 with swell 1 1, and sets the wave motion in a vertical linear motion 34 itself.
  • Float 42 has a rotatable bearing on which a lever 40 is attached. Furthermore, the lever 40 is coupled to an electroactive polymer 30 located on land. In this case, the electroactive polymer 30 is fixedly mounted by means of a stationary counter bearing 48. The lever 40 transmits the vertical linear motion 34 of the
  • the electroactive polymer 30 converts the mechanical deformations into electrical energy. In the transformation of the mechanical deformations into electrical energy, the mechanical deformations cause a charge transport in the
  • the charge transport can be tapped by means of electrodes be used and as electrical energy.
  • the electroactive polymer 30 is preferably formed as a dielectric polymer.
  • the electroactive polymer 30 is formed as a piezoelectric, electrostrictive, ionic, polymer, liquid crystal polymer, electrostrictive graft polymer, electrorheological fluid, or ionic polymer-metal composite.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

L'invention concerne un convertisseur de l'énergie des vagues (20) servant à produire de l'énergie électrique. Le convertisseur de l'énergie des vagues (20) comprend une partie (22) qui fait directement face à des eaux (10) soumises à une houle (11) et qui est munie d'un dispositif d'absorption de la force de pression (24) plat et mobile. Le dispositif d'absorption de la force de pression (24) présente une première face (25) tournée vers les eaux (10) et une seconde face (27) opposée aux eaux (10). Le convertisseur de l'énergie des vagues (20) comporte par ailleurs un module de conversion électromécanique (28), qui est accouplé (36) mécaniquement au dispositif d'absorption de la force de pression (24). Le module de conversion (28) est configuré pour convertir un mouvement propre (44) du dispositif d'absorption de la force de pression (24) en tension électrique, le module de conversion (28) étant réalisé sous la forme d'au moins un polymère électroactif (30).
PCT/EP2012/069423 2011-11-14 2012-10-02 Convertisseur de l'énergie des vagues comportant des polymères électroactifs WO2013072123A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011086256A DE102011086256A1 (de) 2011-11-14 2011-11-14 Wellenenergiewandler mit elektroaktiven Polymeren
DE102011086256.0 2011-11-14

Publications (1)

Publication Number Publication Date
WO2013072123A1 true WO2013072123A1 (fr) 2013-05-23

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WO (1) WO2013072123A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104079207A (zh) * 2014-07-15 2014-10-01 哈尔滨工业大学 一种捕获垂直方向波浪能的压电发电装置及方法
GB2517018A (en) * 2013-04-29 2015-02-11 F X K Patents Ltd Impulse generator
IT201600130691A1 (it) * 2016-12-23 2018-06-23 Scuola Superiore Santanna Generatore da moto ondoso basato su un elastomero dielettrico con compensazione di rigidezza
CN110700987A (zh) * 2019-09-20 2020-01-17 天津大学 一种基于介电弹性体的调谐液柱波能采集器

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3005430A4 (fr) * 2013-06-06 2017-02-01 Georgia Tech Research Corporation Systèmes et procédés pour collecter une énergie piézoélectrique à partir de fluctuations de pression hydraulique
DE102014200241A1 (de) 2014-01-09 2015-07-09 Robert Bosch Gmbh EAP-Vorrichtung, Verwendung einer EAP-Endloshybridfolie sowie Verfahren zur Herstellung der EAP-Vorrichtung
CN109340029B (zh) * 2018-11-02 2023-09-29 长江大学 多段刚性变截面梁发电机及波浪发电机

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080267712A1 (en) * 2007-04-25 2008-10-30 Jean Philippe F Wave power generator systems
US20090243298A1 (en) * 2008-03-25 2009-10-01 Jean Philippe F Minimal wave power generator
DE102009058984A1 (de) 2009-12-18 2011-06-22 Robert Bosch GmbH, 70469 Elektroaktiver Polymergenerator zur Wandlung von mechanischer Energie in elektrische Energie

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080267712A1 (en) * 2007-04-25 2008-10-30 Jean Philippe F Wave power generator systems
US20090243298A1 (en) * 2008-03-25 2009-10-01 Jean Philippe F Minimal wave power generator
DE102009058984A1 (de) 2009-12-18 2011-06-22 Robert Bosch GmbH, 70469 Elektroaktiver Polymergenerator zur Wandlung von mechanischer Energie in elektrische Energie

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2517018A (en) * 2013-04-29 2015-02-11 F X K Patents Ltd Impulse generator
CN104079207A (zh) * 2014-07-15 2014-10-01 哈尔滨工业大学 一种捕获垂直方向波浪能的压电发电装置及方法
CN104079207B (zh) * 2014-07-15 2016-03-16 哈尔滨工业大学 一种捕获垂直方向波浪能的压电发电装置及方法
IT201600130691A1 (it) * 2016-12-23 2018-06-23 Scuola Superiore Santanna Generatore da moto ondoso basato su un elastomero dielettrico con compensazione di rigidezza
CN110700987A (zh) * 2019-09-20 2020-01-17 天津大学 一种基于介电弹性体的调谐液柱波能采集器
CN110700987B (zh) * 2019-09-20 2021-02-12 天津大学 一种基于介电弹性体的调谐液柱波能采集器

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