Relevant bibliographies by topics / Electrodynamic transducer

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Electrodynamic transducer'

Author: Grafiati
Published: 30 May 2022
Last updated: 31 May 2022

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Journal articles on the topic "Electrodynamic transducer"

1

Hoffmann, Patrick. "Electrodynamic acoustic transducer." Journal of the Acoustical Society of America 126, no. 3 (2009): 1635. http://dx.doi.org/10.1121/1.3230435.

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2

Schutter, E., and V. Gorelik. "Electrodynamic acoustic transducer." Journal of the Acoustical Society of America 102, no. 5 (1997): 2474. http://dx.doi.org/10.1121/1.420413.

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3

Grau, Noel J. "Minimal inductance electrodynamic transducer." Journal of the Acoustical Society of America 100, no. 5 (1996): 2897. http://dx.doi.org/10.1121/1.417181.

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Graff, Alfred. "Modifiable electrodynamic ultrasonic transducer." Journal of the Acoustical Society of America 100, no. 6 (1996): 3481. http://dx.doi.org/10.1121/1.417264.

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5

Pavlovic, Dino. "Diaphragm for electrodynamic transducer." Journal of the Acoustical Society of America 96, no. 3 (September 1994): 1943. http://dx.doi.org/10.1121/1.410223.

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6

Graff, A., and H. Rohde. "Electrodynamic permanent magnet transducer." Journal of the Acoustical Society of America 98, no. 3 (September 1995): 1258. http://dx.doi.org/10.1121/1.413479.

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7

Hansen, Kaj B. "Electrodynamic transducer including inset." Journal of the Acoustical Society of America 96, no. 4 (October 1994): 2617–18. http://dx.doi.org/10.1121/1.410088.

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8

Grau, Noel J. "Minimal inductance electrodynamic transducer." Journal of the Acoustical Society of America 98, no. 1 (July 1995): 24. http://dx.doi.org/10.1121/1.413772.

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9

Volkov, Denys, Artem Zubkov, and Vitalii Didkovskyi. "Genetic algorithm application for electrodynamic transducer model identification." ScienceRise, no. 4 (August 31, 2021): 48–57. http://dx.doi.org/10.21303/2313-8416.2021.002008.

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Research object: the adaptation and application of the genetic algorithm for electrodynamic transducer model parameters identification. Investigated problem: to formulate loudspeaker identification task as an optimization problem, adapt it to the genetic algorithm framework and compare obtained results with classical identification method using added mass. Main scientific results: the complete genetic algorithm loudspeaker identification procedure is presented, including: – data acquisition scheme, where the directly measured values for the algorithm application are: voltage at loudspeaker terminals, current through the voice coil and displacement of the moving part – selection of an appropriate set of genes of an individual – derivation of the fitness function for assessing the quality of the identified parameters, which can also be used to identify other types of electroacoustic transducers Also, the advantages of this method in comparison with the classical method of identification using added mass are considered, that are its versatility and ability to quickly configure and adapt for research and experimentation with different loudspeaker models and different types of transducers used in acoustics. Area of practical use of the research results: the proposed genetic loudspeaker model identification scheme can be directly applied on practice to speed up research and development tasks in electroacoustics and other related fields that require frequent experimentation with different types of transducer models. Innovative technological product: genetic algorithm based loudspeaker identification scheme that can be applied to identify various model of electrodynamic transducers. Scope of application of the innovative technological product: electroacoustics, loudspeaker design, audio systems
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Noselli, Guido. "Moving‐coil electrodynamic electroacoustic transducer." Journal of the Acoustical Society of America 97, no. 5 (May 1995): 3216. http://dx.doi.org/10.1121/1.411843.

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Dissertations / Theses on the topic "Electrodynamic transducer"

1

Олексенко, Сергій Володимирович. "Оцінка показників лінійних електромеханічних перетворювачів ударної дії з високою магнітною сумісністю." Thesis, НТУ "ХПІ", 2016. http://repository.kpi.kharkov.ua/handle/KhPI-Press/21227.

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Дисертація на здобуття наукового ступеня кандидата технічних наук за спеціальністю 05.09.01 – електричні машини та апарати. – Національний технічний університет "Харківський політехнічний інститут", Харків, 2016. Дисертацію присвячено розробці комплексу науково-технічних рішень, спрямованих на оцінку показників лінійних електромеханічних перетворювачів ударної дії з високою магнітною сумісністю. Запропонована імітаційна математична модель лінійного електромеханічного перетворювача ударної дії, що описує взаємопов'язані просторово-часові електричні, магнітні, механічні та теплові процеси із змінними параметрами. Визначено геометричні параметри електропровідного якоря, феромагнітних осердя та екрана, при яких перетворювач забезпечує найбільші показники. Отримала подальший розвиток методика синтезу параметрів високоефективного лінійного електромеханічного перетворювача ударної дії, заснована на використанні комплексного критерію ефективності, який враховує основні показники при різних варіантах стратегії вибору. Встановлено, що кріогенне охолодження до температури рідкого азоту обмотки індуктора дозволяє збільшити ККД лінійних електромеханічних перетворювачів ударної дії в 1,6 раз, при охолодженні якоря – в 5 разів, а при одночасному їх охолодженні – в 11 разів. Розроблено конструктивні схеми лінійних електромеханічних перетворювачів ударної дії індукційно-електромагнітного типу ударної і ударно-поворотної дії. Розроблено методику експериментальних досліджень лінійних електромеханічних перетворювачів ударної дії з одночасним вимірюванням електричних і механічних показників.
The thesis for the degree of candidate of technical sciences, specialty 05.09.01 – electrical machinery and apparatus. – National technical university "Kharkiv polytechnic institute", Kharkіv, 2016. The thesis is devoted to development of complex scientific and technical solutions aimed at improving the efficiency linear electromechanical transducers with high magnetic compatibility. The proposed computer model linear electromechanical transducers with ferro-magnetic core, describing connected field-temporal electrical, magnetic, mechanical and thermal processes with variable parameters. The optimum form of section and parameters conductive anchor linear electromechanical transducers induction type. The influence of the configuration and geometrical parameters ferromagnetic core, ferromagnetic shield, electromagnetic shield and combined on screen indicators linear electromechanical transducers. Further developed methods of synthesis parameters highly linear electromechanical transducers, based on a comprehensive criteria. The effect of cryogenic cooling efficiency linear electromechanical transducers. Developed design schemes linear electromechanical transducers electromagnetic induction-type. The method of experimental studies linear electromechanical transducers simultaneous measurement of electrical and mechanical performance. Experimentally confirmed the basic theoretical training is shown linear electromechanical transducers efficiency.
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Олексенко, Сергей Владимирович. "Оценка показателей линейных электромеханических преобразователей ударного действия с высокой магнитной совместимостью." Thesis, НТУ "ХПИ", 2016. http://repository.kpi.kharkov.ua/handle/KhPI-Press/21235.

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Диссертация на соискание ученой степени кандидата технических наук по специальности 05.09.01 – электрические машины и аппараты. – Национальный технический университет "Харьковский политехнический институт", Харьков, 2016. Диссертация посвящена разработке комплекса научно-технических решений, направленных на оценку эффективности линейных электромеханических преобразователей ударного действия с высокой магнитной совместимости. На основе анализа научно-технических источников установлено, что линейные электромеханические преобразователи ударного действия широко при-меняются в ударно-силовых устройствах и для ускорения объектов до высоких скоростей. Однако КПД существующих линейных электромеханических преобразователей ударного действия находится на низком уровне. Кроме того, во время работы линейных электромеханических преобразователей ударного действия последние создают очень значительные импульсные магнитные поля рассеяния, которые резко негативно влияют на близко расположенное оборудование и экологическую чистоту для биологических объектов. Предложена имитационная математическая модель линейного электроме-ханического преобразователя ударного действия, описывающая взаимосвязанные пространственно-временные электрические, магнитные, механические и тепловые процессы с переменными параметрами. Определены геометрические параметры электропроводящего якоря, ферромагнитных сердечника и экрана, при которых преобразователь обеспечивает наибольшие показатели. Предложена конструкция комбинированного экрана, обеспечивающего снижение магнитных полей рассеяния до 4 раз по сравнению с ферромагнитным экраном.
The thesis for the degree of candidate of technical sciences, specialty 05.09.01 – electrical machinery and apparatus. – National technical university "Kharkiv polytechnic institute", Kharkіv, 2016. The thesis is devoted to development of complex scientific and technical solutions aimed at improving the efficiency linear electromechanical transducers with high magnetic compatibility. The proposed computer model linear electromechanical transducers with ferro-magnetic core, describing connected field-temporal electrical, magnetic, mechanical and thermal processes with variable parameters. The optimum form of section and parameters conductive anchor linear electromechanical transducers induction type. The influence of the configuration and geometrical parameters ferromagnetic core, ferromagnetic shield, electromagnetic shield and combined on screen indicators linear electromechanical transducers. Further developed methods of synthesis parameters highly linear electromechanical transducers, based on a comprehensive criteria. The effect of cryogenic cooling efficiency linear electromechanical transducers. Developed design schemes linear electromechanical transducers electromagnetic induction-type. The method of experimental studies linear electromechanical transducers simultaneous measurement of electrical and mechanical performance. Experimentally confirmed the basic theoretical training is shown linear electromechanical transducers efficiency.
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3

Eriksson, Tobias J. R. "Development of piezoelectric and electrodynamic flexural transducers for air-coupled ultrasonics." Thesis, University of Warwick, 2016. http://wrap.warwick.ac.uk/91284/.

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Phased array ultrasound transducers could offer significant benefits over single element transducers in flow metering technology. By steering the ultrasonic beam transmitted through the flow, a single pair of phased array transducers have the potential to replace several pairs of traditional single element transducers. A first step in researching the potential for phased array transducers in flow meters is to investigate a suitable array element. Flexural ultrasound transducers use the bending modes in a thin plate to generate ultrasound waves in low impedance media, such as liquids and gases. The behaviour of piezoelectric flexural transducers was studied using theoretical modelling, finite element (FE) modelling and experimental techniques. Some focus was put on characterising the passive layer of the transducer, which was shown to be largely responsible for the flexural behaviour. That is, the dimensions of the passive layer largely determined the resonance frequencies of the flexural vibration modes of the transducer. Also, the viability of flexural transducers for flow applications was assessed. A new method of constructing air-coupled ultrasound phased array transducers was suggested. A 3 x 3 array was constructed and tested. The individual elements of the array behaved as single element flexural transducers, but the system as a whole could be improved to allow for better beam shaping. A novel electrodynamic flexural transducer (EDFT) for air-coupled ultrasonic transduction without use of piezoelectric materials was proposed, developed and experimentally tested. The transducer combines the contactless coupling method used by electromagnetic acoustic transducers (EMATs) with the flexural vibration modes of a thin plate to transmit and receive ultrasound waves in air. The output pressure of the transducers was high, with SPLs over 100 dB, but the sensitivity was low compared to piezoelectric transducers.
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Руденко, Іван Леонідович. "Планарна електродинамічна акустична система." Master's thesis, КПІ ім. Ігоря Сікорського, 2019. https://ela.kpi.ua/handle/123456789/30597.

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Проведено огляд історії розвитку виробництва перетворювачів та електродинамічних перетворювачів. Приведено повну класифікацію гучномовців та їх принцип дії. Здійснили глибокий аналіз конструкції електродинамічних перетворювачів та їх принцип дії. Приведені основні елементи конструктивних рішень. Виконано моделювання конструктивного рішення планарного електродинамічного перетворювача. Виконано моделювання роботи магнітної та коливальної системи. Приведено графіки основних результатів моделювання та експериментальних вимірювань. Структура та об’єм роботи: дипломна робота складається з вступу, 3 розділів, висновків, списку використаної літератури. Загальний обсяг дипломної роботи складає (106) сторінок. Робота містить рисунків, (48) таблиць (20) та список використаних джерел із (12) найменувань.
A 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.
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Books on the topic "Electrodynamic transducer"

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Jarvis, B. Ballistic speed measurements using electrodynamic and capacitance transducers. Manchester: UMIST, 1994.

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Book chapters on the topic "Electrodynamic transducer"

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Ştefănescu, Dan Mihai. "Electrodynamic Force Transducers." In Handbook of Force Transducers, 153–64. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-18296-9_8.

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Zhyltsov, Andrii, Igor Kondratenko, and Vyacheslav Vasyuk. "Linear Electromechanical Transducer in the Systems of Welded Joints of Electrodynamic Processing." In Advances in Environmental Engineering and Green Technologies, 397–428. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-5225-9420-8.ch016.

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This chapter is dedicated to establishing characteristics relationships between the induction type impact electromechanical transducer and parameters and quality indicators of electrodynamic effects on the welded joints. The authors developed two-dimensional circle-field mathematical model of transient discharge capacity at the branched electrical circuit with the coil inductance which changes dynamically, allowing by adjusting the parameters of the electromechanical transducer to achieve the necessary technological requirements for the characteristics of electrodynamic processing. Based on mathematical modeling of electrophysical processes in electromechanical transducers, induction type for electrodynamic processing of welded joints, reasonably geometrical parameters massive disk, and the contact area, the necessary conditions are created to reduce residual stresses in the weld joints.
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Beranek, Leo L., and Tim J. Mellow. "Electrodynamic loudspeakers." In Acoustics: Sound Fields and Transducers, 241–88. Elsevier, 2012. http://dx.doi.org/10.1016/b978-0-12-391421-7.00006-3.

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Beranek, Leo, and Tim Mellow. "Electrodynamic loudspeakers." In Acoustics: Sound Fields, Transducers and Vibration, 277–330. Elsevier, 2019. http://dx.doi.org/10.1016/b978-0-12-815227-0.00006-6.

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Conference papers on the topic "Electrodynamic transducer"

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Hoffstadt, Thorben, Philip Meier, and Jürgen Maas. "Modeling Approach for the Electrodynamics of Multilayer DE Stack-Transducers." In ASME 2016 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/smasis2016-9327.

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In most cases the electrical behavior of dielectric elastomer (DE) transducers is modeled by an equivalent circuit with lumped electrical parameters. Here, the capacitance is obtained under consideration of the active area of the whole DE transducer, while additional parallel and series resistances model the losses in the dielectric and the electrode respectively. Since this represents a quite simple modeling approach it is very common. However, in general a DE transducer has a certain spatial distribution depending on the design of the considered transducer. Thus, a model with lumped parameters might be inaccurate and does not take into account the field-distribution within the DE transducer. Since no analytical expression of the field-distribution can be derived by solving the partial differential equations for diagonal-edge contacts, within this contribution an electrical network model for a multilayer DE stack-transducer is presented. This model takes into account the influence of the contacting of each single transducer film as well as the electrical interaction of these films and their spatial distribution. Based on this model the influence of different design parameters can be investigated, resulting in design rules for the considered transducers with both optimized transient and static behavior.
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Eriksson, T. J. R., M. Laws, S. M. Dixon, and S. N. Ramadas. "Air-coupled flexural electrodynamic acoustic transducers." In 2014 IEEE International Ultrasonics Symposium (IUS). IEEE, 2014. http://dx.doi.org/10.1109/ultsym.2014.0250.

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Collet, M., M. Berthillier, and P. David. "Active acoustical impedance using distributed electrodynamic transducers." In Smart Structures and Materials, edited by Douglas K. Lindner. SPIE, 2006. http://dx.doi.org/10.1117/12.657876.

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Ikenna-Agbeze, N., S. O. Oyadiji, E. Siores, and T. Shah. "Dynamic Response of Piezoelectric Material Strips at High Frequencies." In ASME 2012 11th Biennial Conference on Engineering Systems Design and Analysis. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/esda2012-82427.

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This investigation is focused on the dynamic response of some commercially available piezoelectric materials which will be incorporated into textile materials for vibration control with a view of sports brassiere. Ceramic-based piezoelectric fiber composites (PFC), piezoelectric fiber composite bimorph (PFCB) and polymer-based polyvinylidene fluoride (PVDF) of various thicknesses have been chosen for this investigation. In a typical experiment, one end of each of the piezoelectric strips is fixed to the vibration table of an electrodynamic exciter while the other end is terminated at the cross-beam of a very stiff frame. The strip is placed under tension and made to undergo base excitation using pseudo-random signal from (0–2000) Hz using the electrodynamic shaker. The force output response is obtained using force transducers. The characterization of these piezoelectric materials will determine their behavior when embedded in the textile material for sports brassiere application.
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Kim, Min-gu, Yong-Ho Kim, Chul Woo Park, Jungho Hwang, and Yong-Jun Kim. "An anti-adhesion technique reducing particle-loss using electrodynamic distrurbance for aerodynamic chip." In TRANSDUCERS 2009 - 2009 International Solid-State Sensors, Actuators and Microsystems Conference. IEEE, 2009. http://dx.doi.org/10.1109/sensor.2009.5285476.

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Halim, Miah A., Spencer E. Smith, Adrian A. Rendon-Hernandez, and David P. Arnold. "Electromechanical Modeling and Experimental Validation of a Dual-Transduction Electrodynamic Wireless Power Receiver." In 2021 21st International Conference on Solid-State Sensors, Actuators and Microsystems (Transducers). IEEE, 2021. http://dx.doi.org/10.1109/transducers50396.2021.9495543.

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