1–20 of 75 hits
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    Use of genetic algorithms to optimize vibration actuator placement for active control of harmonic interior in a cylinder with floor structure

    Simpson, M.T. / Hansen, C.H. | Tema Archive | 1996
    of varied placement optimization problems. In this paper, a genetic algorithm search technique is developed specifically for application to ...

    Transfer path analysis and control of vehicle structure-borne noise induced by the powertrain

    Guo, Rong / Qiu, Shan / Yu, Qin-Lin et al. | Tema Archive | 2012
    a vehicle has received wide concern, among which structure-borne noise is hard to diagnose and control. To solve the problem, the transfer ...

    Thermal control of corrosion in aluminum panels of airplanes

    Vavilov, V.P. / Guo, Sinyan / Shiryaev, V.V. et al. | Tema Archive | 2008
    This study experimentally estimates the extreme possibilities of the heating technique in detection of corrosion in 2-mm-thick aluminum ...

    The application of power-based transfer path analysis to passenger car structure-borne noise

    Han, X. / Guo, Y.J. / Zhao, Y.E. et al. | Tema Archive | 2008
    and control of these transfer paths are effective measures for noise reduction. A power-based transfer path analysis methodology is proposed ...
    Keywords: Lärmminderung

    Suppression of vertical bending and rigid-body-mode vibration in railway vehicle car body by primary and secondary suspension control: results of simulations and running tests using Shinkansen vehicle

    Sugahara, Y. / Kazato, A. / Koganei, R. et al. | Tema Archive | 2009
    control devices in the primary and secondary suspensions. The technique involves a control system of primary vertical dampers and air springs. The ...
    Keywords: Lärmminderung

    State estimation of road surface and vehicle system using a Kalman filter

    Jeong, W. / Yoshida, K. / Kobayashi, H. et al. | Tema Archive | 1990
    Straßenoberfläche mittels der Kalman Filter Theorie. Durch eine besondere Filterauslegung konnte auch die Schwierigkeit des Ersatzes von weißem Rauschen als ...

    Sound quality evaluation in passenger cars based on a two-dimensional booming and rumbling sound index

    Lee, Sang-Kwon / Park, Dong-Chul | Tema Archive | 2007
    In automotive engineering, the production sound quality is a very important design requirement. Especially, the brand sound is an important ...
    Keywords: Geräuschentwicklung

    Single-mode excitation in the shallow-water acoustic channel using feedback control

    Buck, J.R. / Preisig, J.C. / Johnson, M. et al. | Tema Archive | 1997
    control algorithm incorporating elements of adaptive estimation, underwater acoustics, array processing, and control theory to generate a high ...
    Keywords: feedback control algorithm , noise characteristics

    Robustness of mount systems for idle NVH, Part I: Centre of Gravity (CG) mounts

    Sirafi, Mohammad / Chang, Yin-Ping / Qatu, Mohamad S. | Tema Archive | 2006
    property variation happens between CAE and Test data. It is recommended to have/implement tighter control of the property parameters in the vehicle ...
    Keywords: CAE (rechnerunterstützte Technik)

    Reduction of turbulent boundary layer induced interior noise through active impedance control

    Remington, Paul J. / Curtis, Alan R. / Coleman, Ronald B. et al. | Tema Archive | 2008
    desired dynamic mass using an active control system was demonstrated in the laboratory using a mass as the structure and two shakers, one for the ...
    Keywords: Regelungstechnik

    Reduction of blade-vortex interaction noise through porpus leading edge

    Lee, S. | Tema Archive | 1994
    Regelung der Blattvorderkantenneigung), ferner die näher untersuchte und beschriebene neue Technik der Auswirkungen der Blattvorderkantenporosität ...
    Keywords: Lärmminderung

    Quantitative evaluation of airborne sound insulation in ship's accommodation using large scale noise test facilities

    Joo, Won-Ho / Kim, Sung-Hoon / Kim, Dong-Hae et al. | Tema Archive | 2008
    building of low noise vessels. So, some studies have been performed to improve the sound insulation in accommodation spaces. So far, however, the ...

    Psychoacoustic modelling of vehicle side mirror power-fold actuator noise characteristics

    Wang, X. / Subic, A. | Tema Archive | 2011
    samples, the diagnostic methodology developed in this research is applicable to other products for noise diagnostics and quality control. ...

    Propeller Synchrophase Angle Optimization of Turboprop-Driven Aircraft - An Experimental Investigation

    Huang, Xianhua / Sheng, Long / Wang, Yangyang | Tema Archive | 2014
    Propeller synchrophasing is an effective way of reducing interior noise and vibration of turboprop-driven aircraft. However, synchrophasing ...
    Keywords: noise vector , minimum noise

    Prediction of wind noise radiated from passenger cars and its evaluation based on auralization

    Ono, K. / Himeno, R. / Fukushima, T. | Tema Archive | 1999
    This paper describes the prediction of radiated wind noise from automobiles and its reduction. The Lighthill acoustic analogy was employed ...
    Keywords: Lärmminderung

    Prediction method for tire air-pumping noise using a hybrid technique

    Kim, Sungtae / Jeong, Wontae / Park, Yonghwan et al. | Tema Archive | 2006
    Air-pumping noise from a car tire is investigated with a hybrid technique composed of three stages: (1) small-scale air-pumping noise ...

    Predicting shipboard noise using 3-D acoustic modeling

    Boroditsky, Leo / Spence, Jesse / Fischer, Ray | Tema Archive | 2007
    calculation methods of shipboard noise analysis. The paper discusses an SEA based noise prediction method. The primary purpose of this engineering ...
    Keywords: Lärmbekämpfung

    Overview of coupling noise prediction for turbofans with engine and aircraft performance

    Pascovici, D.S. / Sorato, S. / Ogaji, S.O.T. et al. | Tema Archive | 2008
    In this work, a comparison of the noise levels of different aero-engines is presented. The coupling is based on integrating a gas turbine ...
    Keywords: Lärmminderung

    Overview of automotive noise and vibration

    Qatu, Mohamad S. / Abdelhamid, Mohamed Khalid / Pang, Jian et al. | Tema Archive | 2009
    scheduled with more than a 1000 attendees and more than 200 publications in every meeting. In addition, an international journal is established that ...