Literatura académica sobre el tema "Electrodynamic loudspeakers"
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Artículos de revistas sobre el tema "Electrodynamic loudspeakers"
Ravaud, Romain, Guy Lemarquand, Valérie Lemarquand y Tangi Roussel. "Ranking of the Nonlinearities of Electrodynamic Loudspeakers". Archives of Acoustics 35, n.º 1 (26 de febrero de 2010): 49–66. http://dx.doi.org/10.2478/v10168-010-0004-6.
Texto completoMayrhofer, Dominik y Manfred Kaltenbacher. "Investigation of a new method for sound generation – Advanced Digital Sound Reconstruction". e & i Elektrotechnik und Informationstechnik 138, n.º 3 (25 de marzo de 2021): 148–54. http://dx.doi.org/10.1007/s00502-021-00876-3.
Texto completoSteere, John F. "Acoustically enhanced electrodynamic loudspeakers". Journal of the Acoustical Society of America 121, n.º 5 (2007): 2481. http://dx.doi.org/10.1121/1.2739140.
Texto completoKaltenbacher, M., M. Rausch, H. Landes y R. Lerch. "Numerical modelling of electrodynamic loudspeakers". COMPEL - The international journal for computation and mathematics in electrical and electronic engineering 18, n.º 3 (septiembre de 1999): 504–14. http://dx.doi.org/10.1108/03321649910275189.
Texto completoErza, Mehran, Etienne Gaviot, Guy Lemarquand, Pascal Tournier, Lionel Camberlein, Stephane Durand y Frederic Polet. "A Versatile Model of Nonlinear Electrodynamic Loudspeaker Co-Operating with the Amplifier Designed by Way of Advanced Software". Archives of Acoustics 39, n.º 1 (1 de marzo de 2015): 51–63. http://dx.doi.org/10.2478/aoa-2014-0006.
Texto completoCai, Yinshan, Longlei Dong y Yanxin Zhou. "A narrowband active noise control algorithm considering the harmonic distortion of the loudspeaker". International Journal of Applied Electromagnetics and Mechanics 64, n.º 1-4 (10 de diciembre de 2020): 229–35. http://dx.doi.org/10.3233/jae-209326.
Texto completoLemarquand, G., R. Ravaud, I. Shahosseini, V. Lemarquand, J. Moulin y E. Lefeuvre. "MEMS electrodynamic loudspeakers for mobile phones". Applied Acoustics 73, n.º 4 (abril de 2012): 379–85. http://dx.doi.org/10.1016/j.apacoust.2011.10.013.
Texto completoLemarquand, V., G. Lemarquand, E. Lefeuvre, I. Shahosseini, R. Ravaud, J. Moulin, M. Woytasik, E. Martinsic y G. Pillonnet. "Electrodynamic MEMS: Application to Mobile Phone Loudspeakers". IEEE Transactions on Magnetics 48, n.º 11 (noviembre de 2012): 3684–87. http://dx.doi.org/10.1109/tmag.2012.2203798.
Texto completoEvreinov, E. Grigori y V. Alexander Agranovski. "Modification of electrodynamic loudspeakers for 3‐D spatialization". Journal of the Acoustical Society of America 105, n.º 2 (febrero de 1999): 934. http://dx.doi.org/10.1121/1.426308.
Texto completoRavaud, R., G. Lemarquand y T. Roussel. "Time-varying non linear modeling of electrodynamic loudspeakers". Applied Acoustics 70, n.º 3 (marzo de 2009): 450–58. http://dx.doi.org/10.1016/j.apacoust.2008.05.009.
Texto completoTesis sobre el tema "Electrodynamic loudspeakers"
Holmström, Caroline. "Modeling and Compensation of Nonlinear Distortion in High Efficient Electrodynamic Loudspeakers". Thesis, Luleå tekniska universitet, Signaler och system, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-81219.
Texto completoРуденко, Іван Леонідович. "Планарна електродинамічна акустична система". Master's thesis, КПІ ім. Ігоря Сікорського, 2019. https://ela.kpi.ua/handle/123456789/30597.
Texto completoA review of the history of the production of converters and electrodynamic transducers was conducted. The full classification of speakers and their principle of action are given. The deep analyzes of the structures of electrodynamic transducers and their principle of action are carried out. The basic elements of constructive decisions are given. The simulation of the constructive decision of a planar electrodynamic converter is executed. The simulation of the work of the magnetic and oscillating system is performed. The graphs of the main results of simulation and experimental measurements are presented. Structure and volume of work: the thesis consists of the introduction, 3 chapters, conclusions, list of used literature. The total volume of the thesis is (106) pages. The work contains drawings, (48) tables (20) and list of sources used from (12) names.
Fitzpatrick, Michele. "Electrodynamic driver for the space thermoacoustic refrigerator (STAR)". Thesis, Monterey, California. Naval Postgraduate School, 1988. http://hdl.handle.net/10945/23204.
Texto completoThe objective of the STAR project is to test and space qualify a new continuous cycle cryogenic refrigeration system for cooling of sensors and electronics which is based upon the newly discovered thermoacoustic heat pumping effect. The new refrigerator has no sliding seals, a cycle frequency of about 300 hz, and uses acoustic resonance to enhance the overall power density and efficiency. This thesis is concerned specifically with the design and testing of the electrodynamic transducer which is responsible for the electro-acoustic power conversion. A computer model of the driver/resonator system is presented along with the techniques for measurement of the electrical and mechanical parameters used as input for the model. A final driver design (including dimensional drawings) utilizing a modified JBL 2450J neodymium-iron-boron compression driver and associated leak tight electrical feed-throughs, microphone, accelerometer, pressure gage, pressure housing, and resonator interface is provided. Keywords: Electrodynamic loudspeaker, Thermoacoustic refrigerator
http://archive.org/details/electrodynamicdr00fitz
Lieutenant, United States Coast Guard
Lebrun, Tristan. "Modélisation multi-physique passive, identification, simulation, correction et asservissement de haut-parleur sur des comportements cibles". Electronic Thesis or Diss., Sorbonne université, 2019. http://www.theses.fr/2019SORUS686.
Texto completoThis thesis concerns electrodynamic loudspeaker modeling, simulation and control. Regarding modeling, we adopt a component-based approach that relies on port-Hamiltonian systems. Several linear and nonlinear phenomena are thus modeled and then aggregated in a multi-physical framework. Particular attention is paid to the impact of thermal effects on electrical and mechanical components, for which we introduce new irreversible conservative models. The simulations regenerate known complex behaviors. A first open-loop control is developed to eliminate distortions by differential flatness. In order to provide the controller with the model's nonlinearity parameters, an ad hoc estimation method is proposed. This combines a separation of the measurement into sub-signals (organized in a homogeneous order of non-linearity) and the optimization of a cost function (improving the contrast between orders). After numerical validation, estimation and control methods are applied on a test bench. The estimated physical parameters are consistent but the re-simulated time signals indicate the need of improvement of the model at very low frequency and to use higher homogeneous orders. The real-time corrector leads to a measurable reduction of the distortions on the sound pressure. In addition, another open-loop control is developed to compensate for the Doppler effect due to the movement of the membrane. Finally, methods on closed-loop control are proposed. One targets acoustic absorption by combining "control law in finite time" (for efficiency) and "passivity" (for robustness). The other, more general, develops an "half-physical, half-digital" method of connection between a physical system and a digital controller that makes the passivity insensitive to the delay introduced by the digital signal processor
Bouvier, Damien. "Identification de systèmes non linéaires représentés en séries de Volterra : applications aux systèmes sonores". Thesis, Sorbonne université, 2018. http://www.theses.fr/2018SORUS162/document.
Texto completoThis thesis addresses the identification of nonlinear systems that can be represented with Volterra series, and its application to audio systems. Volterra series give an input-output representation, approximated to within a given error, of any time-invariant continuous nonlinear system with fading memory. Technically, they correspond to a series expansion sorted by homogeneity order with respect to the input: each homogeneous term is characterized by a convolutive kernel whose set provides a "complete signature" of the modelled system. The works presented are based on the development of a preliminary step that consists in separating the series' terms to improve Volterra kernels' identification. Compared to existing homogeneous order separation methods, which are based on amplitude relationships between test signals, the approach chosen in this thesis is to exploit phase relationships between signals to obtain a robust method. This is first obtained in the theoretical case of complex excitation signals. From this idea, several methods suited to the use of real signals are developed. This leads to define new signals categories that describes the output of a Volterra series, sorting nonlinear contributions according to their phase properties. The proposed separation methods are applied and tested on a guitar pedal effect. Then, specific identification methods for the new types of signals are presented Finally, a method for estimating the parameters of a polynomial nonlinear state-space representation is developed. This is applied to an electrodynamic loudspeaker whose nonlinear characteristics are studied
Maillou, Balbine. "Caractérisation et identification non-paramétrique des non-linéarités de suspensions de haut-parleurs". Thesis, Le Mans, 2015. http://www.theses.fr/2015LEMA1028.
Texto completoThis thesis deals with the low frequencies mechanical behavior of the electrodynamic loudspeaker moving part, and especially with the suspensions, whose properties are among the most difficult to identify because of both assembly geometry and intrinsic materials, leading to nonlinear viscoelastic behaviors. In small signal domain, the Thiele and Small model describes the behavior of the whole loudspeaker with a good fit, the moving part behavior being modeled by a simple linear mass-spring system, with mass, damping and stiffness parameters. In large-signal domain, this model is no longer sufficient. Our approach is then to perform nonlinear system identification as a tool helping to improve analytical models. A model without physical knowledge is chosen : « Generalized Hammerstein ». Its identification requires the acquisition of experimental signals. A multi sensor experimental set up were so carried out and allows to characterize the whole moving part of a loudspeaker, without magnetic motor, attached to a rigid stand and excited with high axial displacement values, by means of a shaker. Shaker being itself a nonlinear device, a new method of « Generalized Hammerstein » model identification was developped, dedicated to nonlinear systems in series. Finally, parameters of an «expanded Thiele and Small» model are derived from the «Generalized Hammerstein» model parameters. This allows to highlight the evolution of the stiffness and damping with the frequency of excitation, with the displacement of the membrane, as well as the dependence of observed phenomena with the excitation level
Capítulos de libros sobre el tema "Electrodynamic loudspeakers"
Beranek, Leo L. y Tim J. Mellow. "Electrodynamic loudspeakers". En Acoustics: Sound Fields and Transducers, 241–88. Elsevier, 2012. http://dx.doi.org/10.1016/b978-0-12-391421-7.00006-3.
Texto completoBeranek, Leo y Tim Mellow. "Electrodynamic loudspeakers". En Acoustics: Sound Fields, Transducers and Vibration, 277–330. Elsevier, 2019. http://dx.doi.org/10.1016/b978-0-12-815227-0.00006-6.
Texto completo"Electrodynamic Loudspeaker Drivers". En Electroacoustics, 331–50. CRC Press, 2013. http://dx.doi.org/10.1201/b13859-18.
Texto completoActas de conferencias sobre el tema "Electrodynamic loudspeakers"
Madagalam, Mallikarjun, Paolo La Torraca, Mukhtar Ahmed, Ali Douaki, Ignacio Merino SanchezFayos, Nitzan Cohen, Luisa Petti y Paolo Lugli. "Screen-Printed Flexible Circular and Rectangular Silver Spirals for Planar Electrodynamic Loudspeakers: A Comparative Study of Pressure Frequency Response". En 2022 6th IEEE Electron Devices Technology & Manufacturing Conference (EDTM). IEEE, 2022. http://dx.doi.org/10.1109/edtm53872.2022.9798156.
Texto completoMerabti, Hocine, Daniel Massicotte y Wei-Ping Zhu. "Electrodynamic Loudspeaker Linearization using a Low Complexity pth-Order Inverse Nonlinear Filter". En 2019 IEEE International Symposium on Signal Processing and Information Technology (ISSPIT). IEEE, 2019. http://dx.doi.org/10.1109/isspit47144.2019.9001831.
Texto completoIwai, Kenta y Yoshinobu Kajikawa. "Modification of second-order nonlinear IIR filter for compensating linear and nonlinear distortions of electrodynamic loudspeaker". En 2017 25th European Signal Processing Conference (EUSIPCO). IEEE, 2017. http://dx.doi.org/10.23919/eusipco.2017.8081698.
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