GB2577515B - Detecting Degree of Slack of a Length of Shape Memory Alloy Wire - Google Patents

Detecting Degree of Slack of a Length of Shape Memory Alloy Wire Download PDF

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Publication number
GB2577515B
GB2577515B GB1815716.4A GB201815716A GB2577515B GB 2577515 B GB2577515 B GB 2577515B GB 201815716 A GB201815716 A GB 201815716A GB 2577515 B GB2577515 B GB 2577515B
Authority
GB
United Kingdom
Prior art keywords
slack
length
shape memory
memory alloy
alloy wire
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
GB1815716.4A
Other versions
GB201815716D0 (en
GB2577515A (en
Inventor
Farmer Geoffrey
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cambridge Mechatronics Ltd
Original Assignee
Cambridge Mechatronics Ltd
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 Cambridge Mechatronics Ltd filed Critical Cambridge Mechatronics Ltd
Priority to GB1815716.4A priority Critical patent/GB2577515B/en
Publication of GB201815716D0 publication Critical patent/GB201815716D0/en
Priority to PCT/GB2019/052728 priority patent/WO2020065332A1/en
Priority to CN201980062750.2A priority patent/CN112771271B/en
Publication of GB2577515A publication Critical patent/GB2577515A/en
Application granted granted Critical
Publication of GB2577515B publication Critical patent/GB2577515B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03GSPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G7/00Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
    • F03G7/06Mechanical-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
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00Image analysis
    • G06T7/0002Inspection of images, e.g. flaw detection
    • G06T7/0004Industrial image inspection
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/003Alignment of optical elements
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/003Alignment of optical elements
    • G02B7/005Motorised alignment
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • G02B7/08Mountings, 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
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00Image analysis
    • G06T7/50Depth or shape recovery
    • G06T7/55Depth or shape recovery from multiple images
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B2205/00Adjustment of optical system relative to image or object surface other than for focusing
    • G03B2205/0053Driving means for the movement of one or more optical element
    • G03B2205/0076Driving means for the movement of one or more optical element using shape memory alloys

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Length Measuring Devices By Optical Means (AREA)
GB1815716.4A 2018-09-26 2018-09-26 Detecting Degree of Slack of a Length of Shape Memory Alloy Wire Active GB2577515B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB1815716.4A GB2577515B (en) 2018-09-26 2018-09-26 Detecting Degree of Slack of a Length of Shape Memory Alloy Wire
PCT/GB2019/052728 WO2020065332A1 (en) 2018-09-26 2019-09-26 Detecting degree of slack of a length of shape memory alloy wire
CN201980062750.2A CN112771271B (en) 2018-09-26 2019-09-26 Detecting the degree of relaxation of a length of shape memory alloy wire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1815716.4A GB2577515B (en) 2018-09-26 2018-09-26 Detecting Degree of Slack of a Length of Shape Memory Alloy Wire

Publications (3)

Publication Number Publication Date
GB201815716D0 GB201815716D0 (en) 2018-11-07
GB2577515A GB2577515A (en) 2020-04-01
GB2577515B true GB2577515B (en) 2021-11-10

Family

ID=64024177

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1815716.4A Active GB2577515B (en) 2018-09-26 2018-09-26 Detecting Degree of Slack of a Length of Shape Memory Alloy Wire

Country Status (3)

Country Link
CN (1) CN112771271B (en)
GB (1) GB2577515B (en)
WO (1) WO2020065332A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011229231A (en) * 2010-04-16 2011-11-10 Chugoku Electric Power Co Inc:The Cable slack degree observation system
KR20170107795A (en) * 2016-03-16 2017-09-26 울산과학기술원 Apparatus and Method for Estimating Cable Tension

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005105516A2 (en) * 2004-04-28 2005-11-10 Massachusetts Institute Of Technology Rapid heating, cooling and massaging for car seats using integrated shape memory alloy actuators and thermoelectric devices
GB2451972B (en) 2006-03-30 2010-06-30 1 Ltd Camera lens actuation apparatus
WO2011104518A1 (en) 2010-02-26 2011-09-01 Cambridge Mechatronics Limited Sma actuation apparatus
KR101932795B1 (en) 2012-05-25 2018-12-26 캠브리지 메카트로닉스 리미티드 Shape memory alloy actuation apparatus
US9021801B2 (en) * 2012-08-31 2015-05-05 GM Global Technology Operations LLC Compensating for incomplete reversal in mechanisms incorporating shape memory alloy wire
KR102284277B1 (en) * 2013-09-12 2021-08-02 캠브리지 메카트로닉스 리미티드 Insulation of sma actuator wires in a miniature camera
GB201508968D0 (en) 2015-05-26 2015-07-01 Cambridge Mechatronics Ltd SMA wire assembly
GB2570177A (en) * 2018-01-11 2019-07-17 Cambridge Mechatronics Ltd Manufacture of shape memory alloy actuator assemblies

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011229231A (en) * 2010-04-16 2011-11-10 Chugoku Electric Power Co Inc:The Cable slack degree observation system
KR20170107795A (en) * 2016-03-16 2017-09-26 울산과학기술원 Apparatus and Method for Estimating Cable Tension

Also Published As

Publication number Publication date
GB201815716D0 (en) 2018-11-07
CN112771271B (en) 2023-06-23
WO2020065332A1 (en) 2020-04-02
GB2577515A (en) 2020-04-01
CN112771271A (en) 2021-05-07

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