WO2009063845A1 - 形状記憶合金駆動装置 - Google Patents

形状記憶合金駆動装置 Download PDF

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Publication number
WO2009063845A1
WO2009063845A1 PCT/JP2008/070459 JP2008070459W WO2009063845A1 WO 2009063845 A1 WO2009063845 A1 WO 2009063845A1 JP 2008070459 W JP2008070459 W JP 2008070459W WO 2009063845 A1 WO2009063845 A1 WO 2009063845A1
Authority
WO
WIPO (PCT)
Prior art keywords
shape memory
memory alloy
drive control
drive device
electric current
Prior art date
Application number
PCT/JP2008/070459
Other languages
English (en)
French (fr)
Inventor
Yasuhiro Honda
Original Assignee
Konica Minolta Opto, Inc.
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 Konica Minolta Opto, Inc. filed Critical Konica Minolta Opto, Inc.
Priority to EP08850281A priority Critical patent/EP2233739A1/en
Priority to JP2009541131A priority patent/JP4798289B2/ja
Priority to US12/741,504 priority patent/US8448434B2/en
Publication of WO2009063845A1 publication Critical patent/WO2009063845A1/ja

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/08—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted to co-operate with a remote control mechanism
    • 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
    • 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
    • F03G7/06—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like
    • F03G7/065—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like using a shape memory element

Abstract

　本発明の形状記憶合金駆動装置は、サーボ制御により形状記憶合金に電圧又は電流を印加し、形状記憶合金を変位目標値まで変位させる駆動制御手段を備えている。また、駆動制御手段が印加する電圧又は電流の量を示す駆動制御値が所定の変化、例えば駆動制御値が急激に増加する等を検知する接触検知手段を備えている。接触検知手段は所定の変化を検知することにより、レンズ等を搭載した可動部が固定機構に接触したと判定する。また、この判定がなされた際に、駆動制御手段に対して変位目標値を所定の範囲内に制限する駆動制限手段を備えている。これにより、可動部が固定機構に接触した際に流れる電流を制限し、過熱・過剰応力を未然に防止する。
PCT/JP2008/070459 2007-11-12 2008-11-11 形状記憶合金駆動装置 WO2009063845A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP08850281A EP2233739A1 (en) 2007-11-12 2008-11-11 Shape memory alloy drive device
JP2009541131A JP4798289B2 (ja) 2007-11-12 2008-11-11 形状記憶合金駆動装置
US12/741,504 US8448434B2 (en) 2007-11-12 2008-11-11 Shape memory alloy drive device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-293479 2007-11-12
JP2007293479 2007-11-12

Publications (1)

Publication Number Publication Date
WO2009063845A1 true WO2009063845A1 (ja) 2009-05-22

Family

ID=40638694

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/070459 WO2009063845A1 (ja) 2007-11-12 2008-11-11 形状記憶合金駆動装置

Country Status (4)

Country Link
US (1) US8448434B2 (ja)
EP (1) EP2233739A1 (ja)
JP (1) JP4798289B2 (ja)
WO (1) WO2009063845A1 (ja)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012093567A1 (ja) * 2011-01-05 2012-07-12 コニカミノルタオプト株式会社 形状記憶合金アクチュエータ制御装置および光学部品駆動ユニット
US8448434B2 (en) 2007-11-12 2013-05-28 Konica Minolta Opto, Inc. Shape memory alloy drive device
JP2015232777A (ja) * 2014-06-09 2015-12-24 国立大学法人 大分大学 形状記憶合金アクチュエータ制御装置

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JP4539784B2 (ja) * 2008-01-15 2010-09-08 コニカミノルタオプト株式会社 形状記憶合金駆動装置
CN102150073A (zh) 2008-09-12 2011-08-10 剑桥机电有限公司 包括形状记忆合金致动器的光学图像稳定
US8866918B2 (en) 2010-09-22 2014-10-21 Cambridge Mechatronics Limited Optical image stabilisation
GB201220485D0 (en) 2012-11-14 2012-12-26 Cambridge Mechatronics Ltd Control of an SMA actuation apparatus
KR101574521B1 (ko) * 2014-03-18 2015-12-04 한국과학기술연구원 계층구조를 이용하여 내재된 형태를 가지는 형태변환소재 및 이를 포함하는 전극
GB201610039D0 (en) 2016-06-08 2016-07-20 Cambridge Mechatronics Ltd Dynamic centring of SMA actuator

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Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001264841A (ja) * 2000-03-23 2001-09-26 Minolta Co Ltd 形状記憶合金を含むアクチュエータを用いた制御装置
JP2006189045A (ja) 2004-12-30 2006-07-20 Crf Soc Consortile Per Azioni 過剰応力に対する保護機能を備えた形状記憶アクチュエータデバイス
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JP2007333792A (ja) * 2006-06-12 2007-12-27 Fujifilm Corp レンズ駆動装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8448434B2 (en) 2007-11-12 2013-05-28 Konica Minolta Opto, Inc. Shape memory alloy drive device
WO2012093567A1 (ja) * 2011-01-05 2012-07-12 コニカミノルタオプト株式会社 形状記憶合金アクチュエータ制御装置および光学部品駆動ユニット
JP2015232777A (ja) * 2014-06-09 2015-12-24 国立大学法人 大分大学 形状記憶合金アクチュエータ制御装置

Also Published As

Publication number Publication date
US8448434B2 (en) 2013-05-28
JP4798289B2 (ja) 2011-10-19
EP2233739A1 (en) 2010-09-29
US20100257859A1 (en) 2010-10-14
JPWO2009063845A1 (ja) 2011-03-31

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