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    Electromechanical Ski Release Binding With Mechanical Backup

    Source: Journal of Mechanical Design:;1997:;volume( 119 ):;issue: 001::page 145
    Author:
    M. L. Hull
    ,
    M. Swanstrom
    ,
    B. Wade
    DOI: 10.1115/1.2828779
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: To better protect Alpine skiers against injuries to both the lower leg and the knee, the objective of this work was to design a binding which: (1) maintained a consistent release level in twist in the presence of combined loads; (2) released the heelpiece based on the anterior/posterior (A/P) bending moment transmitted by the leg; and (3) modulated the release level in twist depending on the degree of contraction in muscles crossing the knee. To fulfill the objective, a conventional ski binding was modified. Modifications included integrating dynamometers into the toepiece, anti-friction device (AFD), and heelpiece. The toepiece sensor indicates the twisting moment while the AFD and heelpiece sensors indicate the anterior bending moment transmitted by the leg. To gain electronic control of binding release, a solenoid actuated mechanism was added which translated the heelpiece rearward along the ski to decouple the boot from the binding. Otherwise, the binding allowed normal mechanical function. Prototype testing confirmed the ability of the dynamometers to accurately measure desired loads in the presence of extraneous loads and the reliability of the solenoid actuated mechanism in releasing the hoot under loads typical of skiing. Thus, this work demonstrated the feasibility of hybrid electromechanical/mechanical releasable bindings. Such a demonstration should encourage the development of designs for commercial use.
    keyword(s): Friction , Sensors , Dynamometers , Reliability , Stress , Engineering prototypes , Design , Testing , Muscle , Solenoids , Wounds , Knee AND Mechanisms ,
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      Electromechanical Ski Release Binding With Mechanical Backup

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/119146
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    • Journal of Mechanical Design

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    contributor authorM. L. Hull
    contributor authorM. Swanstrom
    contributor authorB. Wade
    date accessioned2017-05-08T23:54:17Z
    date available2017-05-08T23:54:17Z
    date copyrightMarch, 1997
    date issued1997
    identifier issn1050-0472
    identifier otherJMDEDB-27642#145_1.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/119146
    description abstractTo better protect Alpine skiers against injuries to both the lower leg and the knee, the objective of this work was to design a binding which: (1) maintained a consistent release level in twist in the presence of combined loads; (2) released the heelpiece based on the anterior/posterior (A/P) bending moment transmitted by the leg; and (3) modulated the release level in twist depending on the degree of contraction in muscles crossing the knee. To fulfill the objective, a conventional ski binding was modified. Modifications included integrating dynamometers into the toepiece, anti-friction device (AFD), and heelpiece. The toepiece sensor indicates the twisting moment while the AFD and heelpiece sensors indicate the anterior bending moment transmitted by the leg. To gain electronic control of binding release, a solenoid actuated mechanism was added which translated the heelpiece rearward along the ski to decouple the boot from the binding. Otherwise, the binding allowed normal mechanical function. Prototype testing confirmed the ability of the dynamometers to accurately measure desired loads in the presence of extraneous loads and the reliability of the solenoid actuated mechanism in releasing the hoot under loads typical of skiing. Thus, this work demonstrated the feasibility of hybrid electromechanical/mechanical releasable bindings. Such a demonstration should encourage the development of designs for commercial use.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleElectromechanical Ski Release Binding With Mechanical Backup
    typeJournal Paper
    journal volume119
    journal issue1
    journal titleJournal of Mechanical Design
    identifier doi10.1115/1.2828779
    journal fristpage145
    journal lastpage148
    identifier eissn1528-9001
    keywordsFriction
    keywordsSensors
    keywordsDynamometers
    keywordsReliability
    keywordsStress
    keywordsEngineering prototypes
    keywordsDesign
    keywordsTesting
    keywordsMuscle
    keywordsSolenoids
    keywordsWounds
    keywordsKnee AND Mechanisms
    treeJournal of Mechanical Design:;1997:;volume( 119 ):;issue: 001
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
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