An aircraft’s vertical fin may experience dramatic buffet loads in high angle of attack flight conditions, and these buffet loads would cause huge vibration and dynamic stress on the vertical fin structure. To reduce the dynamic vibration of the vertical fin structure, macro fiber composite (MFC) actuators were used in this paper. The drive moment equations and sensing voltage equations of the MFC actuators were developed. Finite element analysis models based on three kinds of models of simplified vertical fin structures with surface-bonded MFC actuators were established in ABAQUS. The equivalent damping ratio of the structure was employed in finite element analysis, in order to measure the effectiveness of vibration control. Further, an open-loop test for the active vibration control system of the vertical fin with MFC actuators was designed and developed. The experimental results validated the effectiveness of the MFC actuators as well as the developed methodology.


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    Title :

    Active vibration control based on piezoelectric smart composite


    Contributors:
    Gao, Le (author) / Lu, Qingqing (author) / Fei, Fan (author) / Liu, Liwu (author) / Liu, Yanju (author) / Leng, Jinsong (author)

    Published in:

    Smart Materials and Structures ; 22 , 12 ; 125032/1-125032/12


    Publication date :

    2013


    Size :

    12 Seiten, 26 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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