JP2020527861A - アクチュエータ構造体及びその作動方法 - Google Patents
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- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/80—Constructional details
- 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
- 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
- H02N2/02—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners ; Linear motors
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- 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
- H10N30/20—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators
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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
- H10N30/2041—Beam type
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Abstract
Description
Claims (15)
- 作動変位における熱変動を補償するように適合されるアクチュエータ構造体であって、当該アクチュエータ構造体は、
1つ又は複数の材料層を含む活性層構造体であって、各材料層が電気刺激に応答して変形可能な電気活性材料を含む、活性層構造体と、
該活性層構造体に結合された受動的なキャリア層構造体と、
前記活性層構造体の前記電気活性材料に与えられる電気刺激の電流又は電圧を温度の関数として修正し、それによって前記作動変位における前記熱変動を補償するように適合される受動的な補償手段と、を有しており、
該受動的な補償手段は、温度依存性の多層コンデンサ構造体を含み、前記受動的なキャリア層構造体は、前記コンデンサ構造体を形成するように適合される、
アクチュエータ構造体。 - 前記活性層構造体は、温度の関数として熱変形を示し、前記受動的な補償手段は、前記熱変形を打ち消す電気的変形の結果としての変動を生じさせるようなレートで、温度の関数として前記電流又は電圧を修正する、請求項1に記載のアクチュエータ構造体。
- 前記多層コンデンサ構造体は、前記活性層構造体の前記電気活性材料と電気的に直列に配置される、請求項1又は2に記載のアクチュエータ構造体。
- 前記コンデンサ構造体の複数の層が、好ましくは並列に接続された複数のコンデンサを形成する、請求項1乃至3のいずれか一項に記載のアクチュエータ構造体。
- 前記コンデンサ構造体によって形成される前記複数のコンデンサのうちの少なくとも2つが、異なる静電容量を有する、請求項4に記載のアクチュエータ構造体。
- 前記受動的な補償手段は、温度依存性の抵抗器をさらに含む、請求項3に記載のアクチュエータ構造体。
- 前記受動的な補償手段は、前記材料層のうちの1つ又は複数の材料特性によってさらに提供される、請求項1又は2に記載のアクチュエータ構造体。
- 前記材料特性は、温度の関数として変化する誘電率であり、オプションで、該誘電率は、温度上昇の関数として低下する、請求項7に記載のアクチュエータ構造体。
- 前記アクチュエータ構造体は、制御可能なバイアス電圧を前記多層コンデンサ構造体に供給して、それにより印加された前記バイアス電圧に依存して前記多層コンデンサ構造体が示す静電容量を調整するように適合された静電容量調整手段を含む、請求項1乃至8のいずれか一項に記載のアクチュエータ構造体。
- 前記静電容量調整手段は、温度の関数として前記コンデンサ構造体によって示される前記静電容量が、作動変位における前記熱変動を打ち消す電気的変形の結果としての変動を生じさせるようなレートで、前記電流又は電圧を修正するように、供給される前記バイアス電圧のレベルを調整するように構成される、請求項2を引用する場合の請求項9に記載のアクチュエータ構造体。
- コントローラが、前記活性層構造体の部分的な変形を刺激するために、持続的な電気的バイアスを前記活性層構造体に与えるように使用中に適合される、請求項10に記載のアクチュエータ構造体。
- 前記活性層構造体は、前記活性層構造体の電気的変形又は熱変形がない場合に第1の方向に曲げバイアスを示すように構成され、且つ電気的変形又は熱膨張の際に反対方向の曲げバイアスを示すように構成され、オプションで、コントローラが、前記第1の方向の前記曲げバイアスを部分的に打ち消すために、持続的な電気的バイアスを前記活性層構造体に与えるように使用中に適合される、請求項1乃至11のいずれか一項に記載のアクチュエータ構造体。
- 前記キャリア層構造体は、1つ又は複数の予め応力が加えられた材料層を含み、前記キャリア層構造体は、温度に応じて正に変化する弾性を示し、オプションで、少なくとも前記活性層構造体は、温度に応じて負に変化する熱膨張を示す、請求項1乃至12のいずれか一項に記載のアクチュエータ構造体。
- アクチュエータ構造体の電気刺激を制御することを含む作動方法であって、前記アクチュエータ構造体は、
1つ又は複数の材料層を含む活性層構造体であって、各材料層が電気刺激に応答して変形可能な電気活性材料を含む、活性層構造体と、
該活性層構造体に結合された受動的なキャリア層構造体と、を有しており、
当該作動方法は、
電気刺激を前記活性層構造体に与えるステップであって、前記電気刺激の電流又は電圧が、受動的な補償手段によって温度の関数として事前に修正され、それによって前記アクチュエータ構造体の作動変位における熱変動を補償する、与えるステップを含み、
前記受動的な補償手段は、温度依存性の多層コンデンサ構造体を含み、前記受動的なキャリア層構造体は、前記コンデンサ構造体を形成するように適合される、
作動方法。 - 前記活性層構造体は、温度の関数として熱変形を示し、前記受動的な補償手段は、前記熱変形を打ち消す電気的変形の結果としての変動を生じさせるようなレートで、温度の関数として前記電圧又は電流を修正するように適合される、請求項14に記載の作動方法。
Applications Claiming Priority (3)
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EP17182292.7A EP3432372A1 (en) | 2017-07-20 | 2017-07-20 | Actuator structure and actuation method thereof |
EP17182292.7 | 2017-07-20 | ||
PCT/EP2018/069737 WO2019016362A1 (en) | 2017-07-20 | 2018-07-20 | ACTUATOR STRUCTURE AND METHOD OF ACTUATING THE SAME |
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JP2020527861A5 JP2020527861A5 (ja) | 2021-02-18 |
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US (1) | US20200235278A1 (ja) |
EP (2) | EP3432372A1 (ja) |
JP (1) | JP6970805B2 (ja) |
CN (1) | CN111033776A (ja) |
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US11538980B2 (en) * | 2016-06-14 | 2022-12-27 | Koninklijke Philips N.V. | Electroactive polymer actuator device and driving method |
EP3451397A1 (en) * | 2017-08-28 | 2019-03-06 | Koninklijke Philips N.V. | Actuator device and method |
WO2021229272A1 (en) * | 2020-05-14 | 2021-11-18 | Sateco Xt Ag | An assembly comprising an electroactive polymer stack, a sensor target element, a sensor and a controller |
WO2022087539A1 (en) * | 2020-10-23 | 2022-04-28 | Vicora, Inc. | Actuated thrombectomy device |
US11929390B2 (en) * | 2021-02-12 | 2024-03-12 | International Business Machines Corporation | Temperature-dependent capacitor |
CN116791028A (zh) * | 2023-06-28 | 2023-09-22 | 惠科股份有限公司 | 掩膜板组件及蒸镀装置 |
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JPS59181585A (ja) * | 1983-03-31 | 1984-10-16 | Toshiba Corp | 変位発生装置 |
JPH05284600A (ja) * | 1992-04-03 | 1993-10-29 | Kunihiro Nagata | 圧電セラミックス素子 |
JPH07135124A (ja) * | 1993-11-09 | 1995-05-23 | Kyocera Corp | 積層型セラミックコンデンサ |
JPH08509576A (ja) * | 1993-02-23 | 1996-10-08 | リサーチ・コーポレーション・テクノロジーズ・インク | 一体的になされ応力があらかじめ与えられたセラミック装置およびその製造方法 |
JP2007165672A (ja) * | 2005-12-15 | 2007-06-28 | Epson Toyocom Corp | 集積回路及び温度補償回路並びに温度補償型圧電デバイス |
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JP2505425B2 (ja) * | 1986-09-22 | 1996-06-12 | 関西日本電気株式会社 | 圧電アクチユエ−タの温度補償方法 |
JPS63299182A (ja) * | 1987-05-28 | 1988-12-06 | Aisan Ind Co Ltd | 積層圧電アクチユエ−タ用温度補償体 |
RU2030087C1 (ru) * | 1990-04-09 | 1995-02-27 | Санкт-Петербургский институт точной механики и оптики | Пьезоэлектрический двигатель |
JP3539138B2 (ja) * | 1997-06-24 | 2004-07-07 | ミノルタ株式会社 | 電気機械変換素子を使用した駆動装置の駆動回路 |
JP2001308640A (ja) * | 2000-04-20 | 2001-11-02 | Nippon Dempa Kogyo Co Ltd | 温度補償一体化基板及び温度補償水晶発振器 |
JP3422770B2 (ja) * | 2000-11-06 | 2003-06-30 | 株式会社鈴木 | アクチュエータ |
ATE394799T1 (de) * | 2001-05-11 | 2008-05-15 | Caterpillar Inc | Verfahren zur herstellung eines flachen mehrschichtigen biegewandlers sowie entsprechender biegewandler |
JP5284600B2 (ja) * | 2007-04-26 | 2013-09-11 | 安全自動車株式会社 | テーブルリフト |
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- 2018-07-20 US US16/632,488 patent/US20200235278A1/en not_active Abandoned
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS59181585A (ja) * | 1983-03-31 | 1984-10-16 | Toshiba Corp | 変位発生装置 |
JPH05284600A (ja) * | 1992-04-03 | 1993-10-29 | Kunihiro Nagata | 圧電セラミックス素子 |
JPH08509576A (ja) * | 1993-02-23 | 1996-10-08 | リサーチ・コーポレーション・テクノロジーズ・インク | 一体的になされ応力があらかじめ与えられたセラミック装置およびその製造方法 |
JPH07135124A (ja) * | 1993-11-09 | 1995-05-23 | Kyocera Corp | 積層型セラミックコンデンサ |
JP2007165672A (ja) * | 2005-12-15 | 2007-06-28 | Epson Toyocom Corp | 集積回路及び温度補償回路並びに温度補償型圧電デバイス |
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EP3432372A1 (en) | 2019-01-23 |
US20200235278A1 (en) | 2020-07-23 |
JP6970805B2 (ja) | 2021-11-24 |
RU2764122C2 (ru) | 2022-01-13 |
RU2020107420A (ru) | 2021-08-20 |
RU2020107420A3 (ja) | 2021-11-19 |
EP3656002B1 (en) | 2021-04-14 |
WO2019016362A1 (en) | 2019-01-24 |
CN111033776A (zh) | 2020-04-17 |
EP3656002A1 (en) | 2020-05-27 |
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