21–40 of 595 hits
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    Additively Manufactured Sound-Absorbing Porous Structures for Airfoil Trailing-Edge Noise Control

    Jiang, Chaoyang / Moreau, Danielle / Fischer, Jeoffrey et al. | ASCE | 2021
    trailing-edge noise control. ...

    Cyclostationary Analysis of Fan Noise Influenced by an Inflow Control Device

    Grizewski, Larisa / Behn, Maximilian / Funke, Stefan et al. | AIAA | 2021

    Acoustic data measured in a fan test facility with and without an inflow control device (ICD) over the inlet were analyzed using the

     ...
    Keywords: Turbofan Noise

    Modeling, parameter estimation and nonlinear control of automotive electronic throttle using a Rapid-Control Prototyping technique

    Grepl, R. / Lee, B. | Springer Verlag | 2010
    including the measure of control activity around the equilibrium position. The control activity directly influences the vibration, the noise and the ...
    Keywords: Electronic throttle control , Nonlinear control , Rapid control prototyping , Engineering , Automotive Engineering

      Modeling, parameter estimation and nonlinear control of automotive electronic throttle using a Rapid-Control Prototyping technique

      Grepl, R. / Lee, B. | Online Contents | 2010
      activity around the equilibrium position. The control activity directly influences the vibration, the noise and the wear of the servo system. The ...

    Active control of road noise inside vehicles

    Sutton, T.J. / Elliott, S.J. / McDonald, A.M. et al. | Tema Archive | 1994

    Noise reduction of the automobile multi-mode muffler using differential gap control and neural network control

    Jeong, Un-Chang / Kim, Jin-Su / Kim, Yong-Dae et al. | SAGE Publications | 2016
    simulated for control tests. The study findings reveal that the use of the proposed model for noise control achieves a noise reduction of 40–50 ...
    Keywords: vehicle engineering , vehicle control systems , Vehicle noise

    Nonharmonic Control of the Blade-Vortex Interaction Noise of Electrically Controlled Rotor

    Free access
    Kewei Li / Taoyong Su / Yang Lu et al. | DOAJ | 2022
    ) noise of the rotors through active control. The effect of nonharmonic inputs on the control of the BVI noise of electrically controlled rotors ...

    Road, chassis, powertrain and wind contributions to in-vehicle vibration and noise

    Sorenson, S.R. / Lock, A.M. / Institute of Noise Control Engineering | British Library Conference Proceedings | 2008
    Publisher: Institute of Noise Control Engineering , Ames, Iowa
    Keywords: NOISE-CON , Noise control

    Active Noise Control For Road Booming Noise Attenuation

    Park, Y. / Kim, H.-S. / Oh, S.-H. | British Library Conference Proceedings | 1997
    Keywords: automotive engineering

    Experimental Study on Enhanced FXLMS Algorithm for Active Impulsive Noise Control

    Sun, Guohua / Cheng, Ming / Lee, Ming-Ran et al. | SAE Technical Papers | 2013
    Active noise control (ANC) technique with the filtered-x least mean square (FXLMS) algorithm has proven its efficiency and drawn ...
    Keywords: Noise

    Subjective response to propeller airplane interior sounds modified by hypothetical active noise control systems

    Powell, C.A. / Sullivan, B.M. | Tema Archive | 2001
    aircraft. However, there is little information on how passengers respond to interior sounds resulting from this type of noise control. This paper ...
    Keywords: Lärmbekämpfung

    Assessment and Control of Metro-induced Vibration and Secondary Noise of TOD Buildings

    Zeng, Defeng / Chen, Zhaowei / He, Qinglie | Springer Verlag | 2024
    secondary noise of the TOD subject to running train are studied. Finally, the control effect of steel-spring floating slab track (FST) on vibration ...
    Keywords: Secondary noise , Engineering , Civil Engineering , Geotechnical Engineering & Applied Earth Sciences

    Improving the state estimation for optimal control of stochastic processes subject to multiplicative noise

    Free access
    Crevecoeur, Frédéric / Sepulchre, R. J. / Thonnard, Jean-Louis et al. | BASE | 2011
    model-based control and estimation of a class of linear stochastic systems subject to multiplicative noise affecting the control and feedback ...
    Contributors: Université Catholique de Louvain (BE) - Centre for systems engineering and applied mechanics , Universtié de Liège (BE) - Department of Electrical Engineering and Computer Science
    Keywords: Optimal control , Multiplicative noise , Motor control

    A review on insects flight aerodynamics, noise sources, and flow control mechanisms

    Moslem, Foad / Babaie, Zahra / Masdari, Mehran et al. | SAGE Publications | 2023
    sources of biological systems’ inspiration to control flow and reduce aerodynamic noise. Insects are classified into different kinds, and most can ...
    Keywords: noise , flow control

    Active Control of Rotor–Stator Interaction Noise Using Stator-Mounted Actuators

    Vinogradov, I. / Zhou, Y. | AIAA | 2014

    Active control of rotor–stator interaction noise is studied numerically using a locally oscillating stator surface. A stator of 24

     ...
    Keywords: Passive Control

      Active Control of Rotor–Stator Interaction Noise Using Stator-Mounted Actuators

      Vinogradov, I | Online Contents | 2015
      Active control of rotor-stator interaction noise is studied numerically using a locally oscillating stator surface. A stator of 24 blades ...
      Keywords: Aerospace engineering , Noise

    Numerical Study of Flow and Noise Control Mechanism of Shape-Optimized Series Cylinder

    Wu, Yongxi / Ji, Guangnian / Zhang, Peizhi et al. | ASCE | 2024

    The study addresses the critical issue of noise generation attributed to airflow around cylinders and its

     ...

    Passive Control of Vortex Shedding Noise of Circular Cylinders by Passive Air-Jet Blowing

    Al-Sadawi, L. / Biedermann, T. M. / Fritsche, M. | ASCE | 2021

    Passive air-jet blowing is an effective yet simple technique to control flow-induced noise due to vortex shedding

     ...

    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

    Noise Control of Blunt Flat-Plate Using Slit and Dielectric Barrier Discharge Plasma

    Yan, Xicai / Zhang, Yaowen / Li, Yong | AIAA | 2024
    to control the vortex shedding of the plate and its associated tonal noise. The noise and flow characteristics of the plate were measured ...
    Keywords: Aerodynamic Noise , Hybrid Flow Control

    Innovative actuators for active flow and noise control

    Raman, G / Cain, A B | SAGE Publications | 2002
    control algorithm. The present overview focuses on actuators. Examples of flow and noise control presented here are restricted to open-loop ...
    Keywords: active flow control , jet control

    Active Flow Control for Interaction Noise Reduction of Contra-Rotating Open Rotors

    Akkermans, R. A. D. / Stuermer, A. / Delfs, J. W. | AIAA | 2016
    arise from reduced interaction tones caused by the trailing-edge blowing technique. The decreased noise radiation with trailing-edge blowing ...

      Active Flow Control for Interaction Noise Reduction of Contra-Rotating Open Rotors

      Akkermans, R. A. D | Online Contents | 2016
      arise from reduced interaction tones caused by the trailing-edge blowing technique. The decreased noise radiation with trailing-edge blowing ...