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    Design of Large Single-Mobility Surface-Deployable Mechanism Using Irregularly Shaped Triangular Prismoid Modules

    Source: Journal of Mechanical Design:;2019:;volume( 141 ):;issue: 001::page 12301
    Author:
    Huang, Hailin
    ,
    Li, Bing
    ,
    Zhang, Tieshan
    ,
    Zhang, Zhao
    ,
    Qi, Xiaozhi
    ,
    Hu, Ying
    DOI: 10.1115/1.4041178
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: This paper presents the design methodology for a single-mobility, large surface-deployable mechanism using irregularly shaped triangular prismoid units. First, we demonstrate that the spherical shell, as the deployed profile of the large deployable mechanism, cannot be filled with identical regular-shaped triangular prismoids (truncated pyramid) without gaps, which makes the design challenging because a large set of nonidentical modules should be moved synchronously. Second, we discuss the design of a novel deployable mechanism that can be deployed onto irregularly shaped triangular prismoids, which will be used as the basic module to fill the spherical shell. Owing to high stiffness and ease of actuation, a planar scissor-shape deployable mechanism is applied. Third, we study the mobile assemblies of irregularly shaped modules in large surface-deployable mechanisms. We discover that hyper kinematic redundant constraints exist in a multiloop mechanism, making the design even more difficult. In order to address this issue, a methodology for reducing these redundant constraints is also discussed. Finally, a physical prototype is fabricated to demonstrate the feasibility of the proposed design methodology.
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      Design of Large Single-Mobility Surface-Deployable Mechanism Using Irregularly Shaped Triangular Prismoid Modules

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4256100
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    contributor authorHuang, Hailin
    contributor authorLi, Bing
    contributor authorZhang, Tieshan
    contributor authorZhang, Zhao
    contributor authorQi, Xiaozhi
    contributor authorHu, Ying
    date accessioned2019-03-17T10:22:36Z
    date available2019-03-17T10:22:36Z
    date copyright10/10/2018 12:00:00 AM
    date issued2019
    identifier issn1050-0472
    identifier othermd_141_01_012301.pdf
    identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4256100
    description abstractThis paper presents the design methodology for a single-mobility, large surface-deployable mechanism using irregularly shaped triangular prismoid units. First, we demonstrate that the spherical shell, as the deployed profile of the large deployable mechanism, cannot be filled with identical regular-shaped triangular prismoids (truncated pyramid) without gaps, which makes the design challenging because a large set of nonidentical modules should be moved synchronously. Second, we discuss the design of a novel deployable mechanism that can be deployed onto irregularly shaped triangular prismoids, which will be used as the basic module to fill the spherical shell. Owing to high stiffness and ease of actuation, a planar scissor-shape deployable mechanism is applied. Third, we study the mobile assemblies of irregularly shaped modules in large surface-deployable mechanisms. We discover that hyper kinematic redundant constraints exist in a multiloop mechanism, making the design even more difficult. In order to address this issue, a methodology for reducing these redundant constraints is also discussed. Finally, a physical prototype is fabricated to demonstrate the feasibility of the proposed design methodology.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleDesign of Large Single-Mobility Surface-Deployable Mechanism Using Irregularly Shaped Triangular Prismoid Modules
    typeJournal Paper
    journal volume141
    journal issue1
    journal titleJournal of Mechanical Design
    identifier doi10.1115/1.4041178
    journal fristpage12301
    journal lastpage012301-7
    treeJournal of Mechanical Design:;2019:;volume( 141 ):;issue: 001
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
    yabeshDSpacePersian