Piezoelectric actuator technology has now reached a level where macro-positioning applications in the context of smart structures can be considered. One application with high payoffs is vibration reduction, noise reduction, and performance improvements in helicopters. Integration of piezoelectric actuators in the rotor blade is attractive, since it attacks the problem at the source. The present paper covers the development of a piezoelectric actuator for trailing edge flap control on a 34-foot diameter helicopter main rotor. The design of an actuator using bi-axial stack columns, and its bench, shake, and spin testing are described. A series of enhancements lead to an improved version that, together with use of latest stack technology, meets the requirements. Next steps in this DARPA sponsored program are development of the actuator and full scale rotor system for wind tunnel testing in the NASA Ames 40x80 foot wind tunnel and flight testing on the MD Explorer.


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    Titel :

    Development of a piezoelectric actuator for trailing edge flap control of rotor blades


    Beteiligte:
    Straub, F.K. (Autor:in) / Ngo, H.T. (Autor:in) / Anand, V. (Autor:in) / Domzalski, D.B. (Autor:in)


    Erscheinungsdatum :

    1999


    Format / Umfang :

    12 Seiten, 13 Quellen




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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