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    Accounting for Nonlinearities in Open Loop Protocols for Symmetry Fault Compensation

    Source: Journal of Computational and Nonlinear Dynamics:;2014:;volume( 009 ):;issue: 002::page 21002
    Author:
    DiBerardino, III ,Louis A.
    ,
    Dankowicz, Harry
    DOI: 10.1115/1.4025193
    Publisher: The American Society of Mechanical Engineers (ASME)
    Abstract: In this paper, we consider model examples of dynamical systems with only a few degrees of freedom, and with desirable symmetry properties, and explore compensating control strategies for retaining robust symmetric system response even under symmetrybreaking defects. The analysis demonstrates the distinct differences between linear versions of these models, in which faultcompensating strategies are always found, and weakly nonlinear counterparts with varying degrees of asymmetry, for which a multitude of locally optimal solutions may coexist. We further formulate a candidate optimization protocol for fault compensation applied to selfhealing systems, which respond to symmetrybreaking defects by a continuous process of fault correction. The analysis shows that such a protocol may exhibit discontinuous changes in the control strategy as the selfhealing system successively regains its original symmetry properties. In addition, it is argued that upon return to a symmetric configuration, such a protocol may result in a different control strategy from that applied prior to the occurrence of a fault.
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      Accounting for Nonlinearities in Open Loop Protocols for Symmetry Fault Compensation

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    http://yetl.yabesh.ir/yetl1/handle/yetl/154162
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    contributor authorDiBerardino, III ,Louis A.
    contributor authorDankowicz, Harry
    date accessioned2017-05-09T01:05:54Z
    date available2017-05-09T01:05:54Z
    date issued2014
    identifier issn1555-1415
    identifier othercnd_9_2_021002.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/154162
    description abstractIn this paper, we consider model examples of dynamical systems with only a few degrees of freedom, and with desirable symmetry properties, and explore compensating control strategies for retaining robust symmetric system response even under symmetrybreaking defects. The analysis demonstrates the distinct differences between linear versions of these models, in which faultcompensating strategies are always found, and weakly nonlinear counterparts with varying degrees of asymmetry, for which a multitude of locally optimal solutions may coexist. We further formulate a candidate optimization protocol for fault compensation applied to selfhealing systems, which respond to symmetrybreaking defects by a continuous process of fault correction. The analysis shows that such a protocol may exhibit discontinuous changes in the control strategy as the selfhealing system successively regains its original symmetry properties. In addition, it is argued that upon return to a symmetric configuration, such a protocol may result in a different control strategy from that applied prior to the occurrence of a fault.
    publisherThe American Society of Mechanical Engineers (ASME)
    titleAccounting for Nonlinearities in Open Loop Protocols for Symmetry Fault Compensation
    typeJournal Paper
    journal volume9
    journal issue2
    journal titleJournal of Computational and Nonlinear Dynamics
    identifier doi10.1115/1.4025193
    journal fristpage21002
    journal lastpage21002
    identifier eissn1555-1423
    treeJournal of Computational and Nonlinear Dynamics:;2014:;volume( 009 ):;issue: 002
    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