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    Semiactive Control Strategies for MR Dampers: Comparative Study

    Source: Journal of Engineering Mechanics:;2000:;Volume ( 126 ):;issue: 008
    Author:
    Laura M. Jansen
    ,
    Shirley J. Dyke
    DOI: 10.1061/(ASCE)0733-9399(2000)126:8(795)
    Publisher: American Society of Civil Engineers
    Abstract: This paper presents the results of a study to evaluate the performance of a number of recently proposed semiactive control algorithms for use with multiple magnetorheological (MR) dampers. Various control algorithms used in recent semiactive control studies are considered including the Lyapunov controller, decentralized bang-bang controller, modulated homogeneous friction algorithm, and a clipped optimal controller. Each algorithm is formulated for use with the MR damper. Additionally, each algorithm uses measurements of the absolute acceleration and device displacements for determining the control action to ensure that the algorithms could be implemented on a physical structure. The performance of the algorithms is compared through a numerical example, and the advantages of each algorithm are discussed. The numerical example considers a six-story structure controlled with MR dampers on the lower two floors. In simulation, an El Centro earthquake is used to excite the system, and the reduction in the drifts, accelerations, and relative displacements throughout the structure is examined.
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      Semiactive Control Strategies for MR Dampers: Comparative Study

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    http://yetl.yabesh.ir/yetl1/handle/yetl/85237
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    contributor authorLaura M. Jansen
    contributor authorShirley J. Dyke
    date accessioned2017-05-08T22:39:20Z
    date available2017-05-08T22:39:20Z
    date copyrightAugust 2000
    date issued2000
    identifier other%28asce%290733-9399%282000%29126%3A8%28795%29.pdf
    identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/85237
    description abstractThis paper presents the results of a study to evaluate the performance of a number of recently proposed semiactive control algorithms for use with multiple magnetorheological (MR) dampers. Various control algorithms used in recent semiactive control studies are considered including the Lyapunov controller, decentralized bang-bang controller, modulated homogeneous friction algorithm, and a clipped optimal controller. Each algorithm is formulated for use with the MR damper. Additionally, each algorithm uses measurements of the absolute acceleration and device displacements for determining the control action to ensure that the algorithms could be implemented on a physical structure. The performance of the algorithms is compared through a numerical example, and the advantages of each algorithm are discussed. The numerical example considers a six-story structure controlled with MR dampers on the lower two floors. In simulation, an El Centro earthquake is used to excite the system, and the reduction in the drifts, accelerations, and relative displacements throughout the structure is examined.
    publisherAmerican Society of Civil Engineers
    titleSemiactive Control Strategies for MR Dampers: Comparative Study
    typeJournal Paper
    journal volume126
    journal issue8
    journal titleJournal of Engineering Mechanics
    identifier doi10.1061/(ASCE)0733-9399(2000)126:8(795)
    treeJournal of Engineering Mechanics:;2000:;Volume ( 126 ):;issue: 008
    contenttypeFulltext
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