61–80 von 162 Ergebnissen
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    Surface-mounted periodic field eddy current sensors for structural health monitoring

    Goldfine, N.J. / Zilberstein, V.A. / Schlicker, D.E. et al. | Tema Archiv | 2001
    mounted, like a strain gage, at critical locations for detection of crack initiation and monitoring of crack growth. This can be accomplished on a ...

    Materials and actuators for the shape control of structures

    des Rochettes, H.M. / Petitniot, J.L. | Tema Archiv | 2001
    Smart materials and actuators meet a noticeable requirement for the shape control of aerodynamic surfaces. This interest is borne as well ...

    Air vehicle integration issues and considerations for CLAS successful. implementation

    Lockyer, A.J. / Alt, K.H. / Kudva, J.N. et al. | Tema Archiv | 2001
    solved for final technology inclusion in an operational air-vehicle. Presented are some key results from the Air Force Research Laboratory's ...

    Thermal investigation of real aircraft components

    Dal Toe, S. / Bison, P.G. / Marinetti, S. et al. | Tema Archiv | 2001
    Composite materials are prone to various damages, particularly if used for aeronautic fuselage components. These parts are increasingly ...

    Feasibility study of embedded fiber-optic strain sensing for composite propeller blades

    Zetterlind, V.E. / Watkins, S.E. / Spoltman, M.W. | Tema Archiv | 2001
    feasibility of embedded fiber-optic smart instrumentation was examined for use in the commercial manufacture and testing processes used by Hartzell ...

    Multifunctional system for active noise control and damage detection on a typical aeronautical structure

    Lecce, L. / Viscardi, M. / Zumpano, G. | Tema Archiv | 2001
    piezo's was decided to be used also for health monitoring application. As a preliminary activity, an extensive monitoring was performed on the ...

    Mandrel reusability in precision replication of ZnS conformal domes

    Goela, J.S. / Askinazi, J. / Robinson, B. | Tema Archiv | 2001

    Active sensor wave propagation health monitoring of beam and plate structures

    Giurgiutiu, V. / Bao, Jing-Jing / Wei, Zhao | Tema Archiv | 2001
    Active sensor wave propagation technique is a relatively new method for in-situ nondestructive evaluation (NDE). Elastic waves propagating ...

    Buckling behavior monitoring of composite wing box model using fiber Bragg grating sensor system

    Hong, Chang-Sun / Ryu, Chi-Young / Lee, Jung-Ryul et al. | Tema Archiv | 2001
    Advanced composites are being extensively used for aerospace structures due to the high stiffness to weight and high strength to weight ...

    Focal plane array design using IR-SIM software system

    Hess, G.T. / Sanders, T.J. / Newsome, G. et al. | Tema Archiv | 2001

    Sound and vibration control tests of Composite panel using piezoelectric sensors and actuators

    Takahashi, K. / Bansaku, K. / Sanda, T. et al. | Tema Archiv | 2001
    We have carried out tests for the sound and vibration control of the CFRP square panel. 500 Hz bandwidth noise through two speakers is ...

    Numerical simulation of inflatable membrane structures

    Kolar, R. / Whittinghill, C. / Agrawal, B. | Tema Archiv | 2001
    Inflatable structures are effective in space applications, as they are weight, volume and cost competitive. For certain space applications ...

    Mechanisms based on piezo actuators

    Claeyssen, F. / Le Letty, R. / Barillot, F. et al. | Tema Archiv | 2001
    In several fields (optics, space, aircraft, fluid control, biomedical, and manufacturing) there is a strong need for compact robust and ...

    Structural health monitoring using FBG sensor in space environment

    Kabashima, S. / Ozaki, T. / Takeda, N. | Tema Archiv | 2001
    expected to be a very useful tool. The authors are developing a health monitoring system for satellites utilizing a FBG (fiber Bragg grating ...

    Application of smart materials in automotive structures

    Manz, H. / Breitbach, E. | Tema Archiv | 2001
    The demand in the automobile sector for greater comfort in the vehicle is of high importance alongside the requirements for a low emission ...

    Smart wide-area imaging sensor system (SWISS)

    Kress, K.P. / Dittrich, K. / Guse, G. | Tema Archiv | 2001
    For some structural components conventional methods of loads and usage monitoring, supplemented by on ground NDT measurements to detect ...

    Narrow and broad band sound reduction in automotive panels

    Giovanardi, M. / Schmidt, K. / Kunze, H. | Tema Archiv | 2001
    the FEM. Optimal control laws were determined, using system models based on control and disturbance transfer functions. For narrowband control ...

    Environmentally responsive material to address human-system interaction in the automotive cockpit

    Rehkopf, J.D. / Barbat, S.D. / Goldman, N.M. et al. | Tema Archiv | 2001
    There is significant human-system interaction in an automotive cockpit, and for particular components this interaction can be ever-present ...

    Damage detection of satellite structures by optical fiber with small diameter

    Kabashima, S. / Ozaki, T. / Takeda, N. | Tema Archiv | 2000
    monitoring system usually utilizes optical fiber sensor of which the diameter is 125 micrometer. However, such fiber sensors tend to be perceived as ...