JP6663081B2 - 電気活性アクチュエータの剛性制御 - Google Patents
電気活性アクチュエータの剛性制御 Download PDFInfo
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- JP6663081B2 JP6663081B2 JP2019524179A JP2019524179A JP6663081B2 JP 6663081 B2 JP6663081 B2 JP 6663081B2 JP 2019524179 A JP2019524179 A JP 2019524179A JP 2019524179 A JP2019524179 A JP 2019524179A JP 6663081 B2 JP6663081 B2 JP 6663081B2
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Classifications
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- H10N30/204—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators using bending displacement, e.g. unimorph, bimorph or multimorph cantilever or membrane benders
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- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
- F03G7/005—Electro-chemical actuators; Actuators having a material for absorbing or desorbing gas, e.g. a metal hydride; Actuators using the difference in osmotic pressure between fluids; Actuators with elements stretchable when contacted with liquid rich in ions, with UV light, with a salt solution
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- H—ELECTRICITY
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- H10N30/802—Circuitry or processes for operating piezoelectric or electrostrictive devices not otherwise provided for, e.g. drive circuits
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- H—ELECTRICITY
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- A61M25/0043—Catheters; Hollow probes characterised by structural features
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- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M25/00—Catheters; Hollow probes
- A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
- A61M25/09—Guide wires
- A61M2025/09175—Guide wires having specific characteristics at the distal tip
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Description
調整可能な剛性プロファイルを有するアクチュエータ装置であって、
アクチュエータ部材を有し、
該アクチュエータ部材は、
電気的刺激の印加に応答して変形するように適合された電気活性材料、および
入射光エネルギーを吸収し熱エネルギーに変換するように適合された、前記電気活性材料内の光吸収フィラー素子、
を有し、
当該アクチュエータ装置は、
前記アクチュエータ部材に光学的に結合され、前記アクチュエータ部材に光出力を提供するように作動する、制御可能な光源であって、前記光出力は、前記アクチュエータ部材の剛性プロファイルを制御可能に調整するように、異なる強度レベルおよび/またはスペクトル組成の範囲の間で制御可能である、光源と、
前記アクチュエータ部材において、少なくとも3つの異なる剛性プロファイルの範囲のいずれかを選択的に実現するように、前記光出力の前記強度レベルおよび/またはスペクトルプロファイルを制御するように作動される制御器と、
を有する、アクチュエータ装置が提供される。
黒色顔料、
遷移金属、
波長特定色素、
蛍光体、および
蛍光プローブ
の少なくとも一つで形成されたフィラー素子を有してもよい。
前記2つの部材の剛性は、任意の所与の方向に操作された際に、
前記2つの部材の機械的にアクティブな方が、強いアクティブ作動力のため、高い剛性を示すように制御され、
前記2つの部材の機械的にパッシブな方が、前記作動力に対して最小の抵抗が得られ、低い剛性を示すように制御される
ように相反的に制御されてもよい。
前記アクチュエータ部材は、
電気的刺激の印加に応答して変形するように適合された、電気活性材料と、
入射光エネルギーを吸収し、熱エネルギーに変換するように適合された、前記電気活性材料内の光吸収フィラー素子と、
を有し、
当該方法は、
前記アクチュエータ部材に光出力を誘導するステップであって、前記光出力は、制御可能な強度レベルおよび/またはスペクトル組成を有する、ステップと、
前記光出力の前記強度レベルおよび/またはスペクトルプロファイルを制御して、前記アクチュエータ部材において、少なくとも3つの異なる剛性プロファイルの範囲のいずれかを選択的に実現する、ステップと、
を有する、方法が提供される。
Claims (15)
- 調整可能な剛性プロファイルを有するアクチュエータ装置であって、
アクチュエータ部材を有し、
該アクチュエータ部材は、
電気的刺激の印加に応答して変形するように適合された電気活性材料、および
入射光エネルギーを吸収し熱エネルギーに変換するように適合された、前記電気活性材料内の光吸収フィラー素子、
を有し、
当該アクチュエータ装置は、
前記アクチュエータ部材に光学的に結合され、前記アクチュエータ部材に光出力を提供するように作動する、制御可能な光源であって、前記光出力は、前記アクチュエータ部材の剛性プロファイルを制御可能に調整するように、異なる強度レベルおよび/またはスペクトル組成の範囲の間で制御可能である、光源と、
前記アクチュエータ部材において、少なくとも3つの異なる剛性プロファイルの範囲のいずれかを選択的に実現するように、前記光出力の前記強度レベルおよび/またはスペクトルプロファイルを制御するように作動される制御器と、
を有する、アクチュエータ装置。 - 前記制御器は、前記アクチュエータ部材の少なくとも一部において、剛性レベルの連続的なスペクトルのいずれかを実現するように、前記光出力の前記強度レベルおよび/またはスペクトルプロファイルを制御するように作動される、請求項1に記載のアクチュエータ装置。
- 前記制御器は、予め定められた制御計画に基づいて、および/または1もしくは2以上の入力制御パラメータに基づいて、前記アクチュエータ部材において実現される前記剛性プロファイルを選択的に制御するように構成される、請求項1または2に記載のアクチュエータ装置。
- 前記光吸収フィラー素子は、前記電気活性材料内に不均一に分配され、前記アクチュエータ部材において、空間的に不均一な剛性プロファイルが実現される、請求項1乃至3のいずれか一つに記載のアクチュエータ装置。
- 前記光吸収フィラー素子は、空間的に異なるフィラー素子の濃度の組で分配される、請求項4に記載のアクチュエータ装置。
- 前記アクチュエータ部材は、光吸収フィラー素子の複数の異なる局部的に濃縮された群を有し、
各群は、異なる波長の範囲の光を吸収するように適合され、
前記制御器は、定められた制御計画により、前記光出力の前記スペクトル組成を制御するように構成され、前記アクチュエータ部材の特定の剛性プロファイルが実現される、請求項1乃至5のいずれか一つに記載のアクチュエータ装置。 - 前記制御器は、前記アクチュエータ部材の1または2以上の領域に含まれるフィラー素子が感応する光の波長を選択的に含有または排除することにより、前記部材の1または2以上の領域で、前記アクチュエータ部材の局部的な剛性を選択的に制御するように構成される、請求項6に記載のアクチュエータ装置。
- 前記光出力の光学軸に平行に延伸する軸に沿って積層された、フィラー素子の複数の異なる平坦濃度の積層配置を有し、
各平坦濃度は、前記光出力のスペクトル組成の異なる部分を吸収するように適合される、請求項6または7に記載のアクチュエータ装置。 - 前記制御可能な光源および前記アクチュエータ部材は、細長い光ガイドにより光学的に結合され、
前記細長い光ガイドは、光ファイバである、請求項1乃至8のいずれか一つに記載のアクチュエータ装置。 - 前記光吸収フィラー素子は、
黒色顔料、
遷移金属、
波長特定色素、
蛍光体、および
蛍光プローブ
の少なくとも一つで形成されたフィラー素子を有する、請求項1乃至9のいずれか一つに記載のアクチュエータ装置。 - 前記光吸収フィラー素子は、温度依存する光透過率を有する材料を有し、光透過率は、特定の温度で水平となり、
前記光透過率は、前記電気活性材料のガラス転移温度を超える温度で水平になる、請求項1乃至10のいずれか一つに記載のアクチュエータ装置。 - 誘導可能な区画を有する細長いプローブであって、
当該細長いプローブは、前記誘導可能な区画の操作が容易となる、請求項1乃至11のいずれか一つに記載の1または2以上のアクチュエータ装置を有する、細長いプローブ。 - 前記誘導可能な区画を操作する、一組の対向するアクチュエータ部材を有し、
2つのアクチュエータ部材の剛性は、任意の所与の方向に操作された際に、
前記2つのアクチュエータ部材の機械的にアクティブな方が、強いアクティブ作動力のため、高い剛性を示すように制御され、
前記2つのアクチュエータ部材の機械的にパッシブな方が、前記作動力に対して最小の抵抗が得られ、低い剛性を示すように制御される
ように相反的に制御される、請求項12に記載の細長いプローブ。 - 各アクチュエータ部材用の専用の光ガイドを有し、
各アクチュエータ部材に対して、制御可能な光出力が別個に提供される、請求項12または13に記載の細長いプローブ。 - アクチュエータ部材の剛性プロファイルを選択的に制御する方法であって、
前記アクチュエータ部材は、
電気的刺激の印加に応答して変形するように適合された、電気活性材料と、
入射光エネルギーを吸収し、熱エネルギーに変換するように適合された、前記電気活性材料内の光吸収フィラー素子と、
を有し、
当該方法は、
前記アクチュエータ部材に光出力を誘導するステップであって、前記光出力は、制御可能な強度レベルおよび/またはスペクトル組成を有する、ステップと、
前記光出力の前記強度レベルおよび/またはスペクトルプロファイルを制御して、前記アクチュエータ部材において、少なくとも3つの異なる剛性プロファイルの範囲のいずれかを選択的に実現する、ステップと、
を有する、方法。
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EP16198639 | 2016-11-14 | ||
EP16198639.3 | 2016-11-14 | ||
PCT/EP2017/078968 WO2018087342A1 (en) | 2016-11-14 | 2017-11-10 | Stiffness control for electroactive actuators |
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BR (1) | BR112019009433A2 (ja) |
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GB201617171D0 (en) * | 2016-10-10 | 2016-11-23 | Universitetet I Troms� - Norges Arktiske Universitet | Piezoelectric films |
EP3550620B1 (en) * | 2016-11-30 | 2022-05-04 | Yupo Corporation | Piezoelectric element and musical instrument |
JP7292287B2 (ja) * | 2018-09-07 | 2023-06-16 | リンテック株式会社 | アクチュエータ |
US11958982B2 (en) | 2019-01-16 | 2024-04-16 | Hewlett-Packard Development Company, L.P. | Three-dimensional printing |
CN110576447A (zh) * | 2019-09-10 | 2019-12-17 | 大连理工大学 | 一种电控双向弯曲型变形-变刚度一体化驱动器 |
KR102418843B1 (ko) * | 2019-12-11 | 2022-07-11 | 한국전자통신연구원 | 소프트 액츄에이터 및 이를 포함하는 인공근육 |
US11286964B2 (en) * | 2019-12-11 | 2022-03-29 | Electronics And Telecommunications Research Institute | Soft actuator and artificial muscle including the same |
DE102020123630A1 (de) * | 2020-09-10 | 2022-03-10 | Karlsruher Institut für Technologie | Licht-aktuiertes flexibles Instrument |
CN113733548B (zh) * | 2021-08-05 | 2022-05-20 | 西安交通大学 | 一种面向曲面ipmc的4d打印方法 |
WO2024079118A1 (en) * | 2022-10-14 | 2024-04-18 | Koninklijke Philips N.V. | Intravascular catheter with adjustable stiffness |
CN117967737B (zh) * | 2024-02-01 | 2024-10-15 | 佛山大学 | 一种光致变刚度薄膜结构、柔性壳体及光控主被动混合控制方法 |
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US6882086B2 (en) | 2001-05-22 | 2005-04-19 | Sri International | Variable stiffness electroactive polymer systems |
JP2001341223A (ja) * | 2000-06-02 | 2001-12-11 | Hiroshi Yui | 運動性高分子成形体、高分子作動子、及びその応用製品 |
GB0115064D0 (en) * | 2001-06-20 | 2001-08-15 | 1 Ltd | Electro-active elements and devices |
US6876135B2 (en) * | 2001-10-05 | 2005-04-05 | Sri International | Master/slave electroactive polymer systems |
US6703761B2 (en) * | 2001-12-21 | 2004-03-09 | Caterpillar Inc | Method and apparatus for restraining temperature induced deformation of a piezoelectric device |
US6679836B2 (en) | 2002-06-21 | 2004-01-20 | Scimed Life Systems, Inc. | Universal programmable guide catheter |
US20050269906A1 (en) * | 2002-11-19 | 2005-12-08 | 1... Limited | Electro-active actuator |
US7598651B2 (en) * | 2004-03-12 | 2009-10-06 | Sri International | Mechanical meta-materials |
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US20090157048A1 (en) | 2007-12-18 | 2009-06-18 | Boston Scientific Scimed, Inc. | Spiral cut hypotube |
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RU2014129880A (ru) | 2011-12-21 | 2016-02-10 | Конинклейке Филипс Н.В. | Управляемый полимерный актюатор |
US9272426B2 (en) * | 2013-06-26 | 2016-03-01 | The Uniteed States of America as represented by the Secretary of the Army | Optically-actuated mechanical devices |
US9972768B2 (en) | 2014-08-15 | 2018-05-15 | Novasentis, Inc. | Actuator structure and method |
CN108055860B (zh) * | 2015-02-06 | 2020-08-18 | 皇家飞利浦有限公司 | 双向致动器 |
EP3304608B1 (en) * | 2015-06-03 | 2020-11-18 | Koninklijke Philips N.V. | Actuation device |
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JP2019536404A (ja) | 2019-12-12 |
EP3539164B1 (en) | 2020-08-12 |
RU2019118306A (ru) | 2020-12-14 |
RU2748051C2 (ru) | 2021-05-19 |
US20190348596A1 (en) | 2019-11-14 |
US10680162B2 (en) | 2020-06-09 |
BR112019009433A2 (pt) | 2019-07-30 |
CN109937488A (zh) | 2019-06-25 |
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EP3539164A1 (en) | 2019-09-18 |
RU2019118306A3 (ja) | 2021-03-24 |
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