1–10 von 12 Ergebnissen
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    Conformal and embedded IDT microsensors for health monitoring of structures

    Varadan, V.K. / Varadan, V.V. | Tema Archiv | 2000
    failure due to fracture. Recently a combination of the need for safety in the air and the desire to control costs is encouraging the use of in ...

    Design and development of smart skin conformal antenna with MEMS structural sensors and actuators

    Varadan, V.K. / Varadan, V.V. | Tema Archiv | 1997
    Recently there has been considerable interest toward designing and developing 'smart skins' for aircraft. The smart skin is a composite ...

    Discrete piezoelectric sensors and actuators for active control of two-dimensional spacecraft components

    Bayer, J.I. / Varadan, V.V. / Varadan, V.K. | Tema Archiv | 1991
    This paper describes research into the use of discrete piezoelectric sensors and actuators for active modal control of flexible two ...

    High sensitive and wide dynamic range navigation microsystem on a single chip

    Varadan, V.K. / Jose, K.A. / Varadan, V.V. | Tema Archiv | 2001
    of vibration perpendicular to the plane of the substrate, which serves as the reference vibrating motion for this gyroscope. A number of ...

    IDT, SAW, and MEMS sensors for measuring deflection, acceleration, and ice detection of aircraft

    Varadan, V.K. / Varadan, V.V. / Bao, X.Q. | Tema Archiv | 1997
    Smart MEMS (MicroElectroMechanical Systems) in the form of integrated sensors and actuators offer significant potential for many rotorcraft ...

    IDT sensors for detection of ice on rotorcraft

    Varadan, V.V. / Varadan, V.K. / Bao, X.Q. | Tema Archiv | 1998
    IDT (interdigital transducers) offer significant potential for detecting ice formation on rotorcraft applications. Sensing of flex beam ...

    Love wave based ice sensor

    Gangadaran, S. / Varadan, V.V. / Varadan, V.K. et al. | Tema Archiv | 1999
    This paper presents the conceptual design, fabrication and experimentation of a Love wave based acoustic ice sensor for sensing the phase ...

    Microsensors and MEMS for health monitoring of composite and aircraft structures in flight

    Varadan, V.K. / Varadan, V.V. | Tema Archiv | 1999
    combination of the need for safety in the air and the desire to control costs is encouraging the use of in-flight monitoring of aircraft components ...

    Radiated noise control via structural vibration control

    Varadan, V.V. / Gopinathan, S.V. / Lim, Young-Hun et al. | Tema Archiv | 1998
    actuators and sensors is addressed. A hybrid approach using a finite element formulation for the radiating walls of the enclosure is developed. We ...

    Smart electronics and sensors for IVHS and automobile collision warning antenna systems

    Varadan, V.K. / Varadan, V.V. | Tema Archiv | 1995
    In this paper, the feasibility of using electronically steerable antennas for health monitoring of civil structures and early warning of ...