1–20 of 61 hits
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    Sound and vibration control tests of Composite panel using piezoelectric sensors and actuators

    Takahashi, K. / Bansaku, K. / Sanda, T. et al. | Tema Archive | 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 ...

    Optimal active vibration control on a car for cancellation of road noise disturbance

    Belgacem, Walid / Masson, Patrice / Berry, Alain | Tema Archive | 2009
    is used to simulate the configuration of the active control system, using the primary FRFs and secondary FRFs, also measured on the car using ...

    Tire sound quality evaluation tool using sound synthesis with physical modeling

    Ishihama, Masao / Kakumoto, Yu / Shimizu, Akane et al. | Tema Archive | 2008
    only the tire sound that radiates through its structural vibration caused by road surface texture excitation. The tool can be used on personal ...

    Vehicle interior sound design procedure

    Wolf, Klaus / Alt, Norbert / Eisele, Georg | Tema Archive | 2004
    their own special brand vehicle sound depending on vehicle class. This paper introduces a new sound design procedure for developing a brand ...
    Publisher: International Institute of Acoustics and Vibration (IIAV) , Auburn

    Adaptive rotor blade for vibration reduction

    Büter, A. / Ehlert, U.C. / Matthias, M. et al. | Tema Archive | 2000
    Applying adaptronics to helicopters has a high potential to significantly suppress noise, reduce vibration and increase the overall ...

    Adaptive vibration damping of fin-structures

    Stüwing, M. / Büter, A. / Sachau, D. et al. | Tema Archive | 2000
    One major problem of modem military aircraft is the buffet loading on the fin structures. Flying the aircraft at high angles of attack ...

    Development of elastomer based vibration isolation device for low-amplitude vibrations

    Kandala, Shanti Swaroop / Lee, Dae-Oen / Han, Jae-Hung | Tema Archive | 2012
    wheel assembly and reaching the sensitive optical payloads. An elastomer/viscoelastic material (VEM) based passive vibration isolator has been ...

    Numerical modelling of rubber vibration isolators

    Beijers, Clemens A.J. / De Boer, Andre | Tema Archive | 2003
    mount. After that, a linear harmonic analysis is superimposed on the pre-deformed isolator. The structure-borne sound is transmitted by the ...

    Human comfort and motion under simulated vibration exposure of mobile machinery

    Leino, Simo-Pekka / Marjanen, Ykä / Launis, Sirpa et al. | Tema Archive | 2006
    excitations were based on field measurements and included such activities as cultivation, moving in forest and on gravel road. Vibration responses of ...
    Keywords: Schwingung

    Configurations of large capacity ultrasonic complex vibration sources with complex transverse vibration rods and a disk with multiple transducers

    Tsujino, Jiromaru / Ueoka, Tetsugi / Kikuchi, Yuya | Tema Archive | 2006
    This paper describes on the configuration of large capacity ultrasonic complex vibration welding systems with a welding tip vibrating in ...

    Optimal actuator placement for reduction of helicopter vibration

    Hugin, C.T. / Hatch, C. | Tema Archive | 2004
    reduction that can be achieved by an active vibration control system depends on the control algorithm, the number of actuators, their sizes and ...
    Publisher: International Institute of Acoustics and Vibration (IIAV) , Auburn

    Application of a nonlinear semi-active tuned vibration absorber to an automobile substructure

    Norrick, Nicklas | Tema Archive | 2012
    validate its performance. A dashboard crossbeam, steering column and steering wheel are mounted on a massive foundation and excited via a shaker ...
    Keywords: Schwingung

    Simulation of high-speed train induced ground vibration and its mitigation by WIB

    Takemiya, H. | Tema Archive | 2000
    of safe train running on track and of the better built-in environment alongside, the train induced vibration problem is of paramount ...
    Keywords: Schwingung , Welle (Schwingung)

    Analysis of noise and vibration in brushless motor used in power steering system

    Ackva, Ansgar / Junak, Jacek / Ombach, Grzegorz | Tema Archive | 2005
    This paper investigates motor vibration and noise originated by electromagnetic forces and magnetostriction effects. The analysis takes ...

    Active control of lateral vibration in a structurally modified train car

    Samuels, T.O. / Persson, P. / Johansson, S. et al. | Tema Archive | 2000
    reduction in the lateral vibration level is to be expected. Based on a dynamic computer model of a train car simulating the lateral vibration, which ...

    Studies using a combined finite element and boundary element model for vibration propagation from railway tunnels

    Jones, C.J.C. / Thompson, D.J. / Petyt, M. | Tema Archive | 2000
    running in cut-and-cover or bored tunnels where the direct sound of the train is removed. Numerical models for the transmission of vibration ...
    Keywords: Schwingung

    Numerical modelling of sound radiation and transmission loss of a honeycomb panel using measured material properties

    Lippert, Stephan / Estorff, Otto von | Tema Archive | 2006
    the cabin lining - are needed. In the current paper, a computational method based on a coupled model of Finite Elements and Boundary Elements ...

    Numerical modelling of sound transmission loss of interior aircraft lining elements

    Von Estorff, Otto / Wandel, Martin | Tema Archive | 2003
    procedure is presented, which is based on a coupling of finite elements and boundary elements, and applied to predict the sound transmission loss of ...

    Dynamic characteristics for damping systems designated to insulate noise and vibration in case of tram rail

    Bratu, Polidor | Tema Archive | 2005
    This paper focused on the main static and dynamic characteristics in case of rubber elements designated to damp the vibrations transmitted ...

    Sound transmission loss of double-panel partitions with internal microperforated panel absorbers

    Thomas, Christian / Weltin, Uwe / Petersen, Sven | Tema Archive | 2003
    is build up as a double wall consisting of an outer aluminium skin and an interior lightweight panel. To improve the sound insulation, the ...