Academic literature on the topic 'Electrodynamic test bench'

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Journal articles on the topic "Electrodynamic test bench"

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Gautrelet, Christophe, Leila Khalij, Aymeric Appert, and Roger Serra. "Linearity investigation from a vibratory fatigue bench." Mechanics & Industry 20, no. 1 (2019): 101. http://dx.doi.org/10.1051/meca/2018044.

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High-cycle fatigue behaviour of structures can be obtained through vibratory tests using frequency response functions or transmissibilities. To this end, this study deals with the qualification of the vibratory fatigue bench developed at the Laboratory of Mechanic of Normandy. This bench uses an electrodynamic shaker which can reach excitation frequencies that are higher than conventional fatigue machines. To carry out relevant tests, the capacities of the test bench must be well known. Correlations between excitation and response were investigated to determine the allowable setpoints to maint
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Heyden, Emil, Andreas Lindenmann, Sven Matthiesen, and Dieter Krause. "Approach for Calibrated Measurement of the Frequency Response for Characterization of Compliant Interface Elements on Vibration Test Benches." Applied Sciences 11, no. 20 (2021): 9604. http://dx.doi.org/10.3390/app11209604.

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In vibration tests, the behavior of the structure depends on its mechanical boundary conditions, which are represented in physical tests by connecting elements with mechanical properties. Adjustable impedance elements are machine elements fulfilling the task of an adjustable connection on a vibration test bench and therefore represent a variety of properties. Their mechanical properties must be known over wider ranges than comparable compliant structures tested in the literature. This paper is dedicated to vibration testing of the adjustable impedance elements themselves, taking the influences
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Appert, Aymeric, Christophe Gautrelet, Leila Khalij, and Renata Troian. "Development of a test bench for vibratory fatigue experiments of a cantilever beam with an electrodynamic shaker." MATEC Web of Conferences 165 (2018): 10007. http://dx.doi.org/10.1051/matecconf/201816510007.

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When fatigue tests are carried out using a shaker, dynamic phenomena often appear and lead to a non-linear behaviour in the experiment. In this paper, the dynamic response of the specimen is studied in order to evaluate the impact on the results. The experiment consists in a notched beam fixed on the armature of an electro-dynamic shaker. The transfer function between the center of the armature and the tip of the beam is obtained with a swept sine near the first resonance frequency of the specimen. The drive is a constant acceleration amplitude. An evolution in the transfer function of the bea
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Андреев, Е. Н., Д. Н. Арсланова, Е. В. Ахметзянова та ін. "Комбинированные электромагнитные подвесы с пониженным энергопотреблением для левитационного транспорта". Журнал технической физики 89, № 7 (2019): 1123. http://dx.doi.org/10.21883/jtf.2019.07.47811.419-18.

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The magnetic levitation technology is principally categorized as electromagnetic suspension and electrodynamic suspension, both now practically implemented in maglev trains in China, Korea, Japan and other countries. The magnetic field to levitate a vehicle can be provided by either normal conducting electromagnets, or superconducting magnets, or high-coercivity permanent magnets. With the technology advancing in superconductors and magnetic materials, hybrid configurations that employ different types of magnets become promising for commercial application. Magnets synergy results in better per
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Andrew Perry, Julian. "An Investigation into the Origins of Pulse-Induced Energy Gains in Electrochemical Systems." Journal of Electrical Electronics Engineering 4, no. 1 (2025): 01–16. https://doi.org/10.33140/jeee.04.01.03.

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In an earlier study, inductive pulse charging (IPC), using solenoid generated high voltage transients, also known as flyback or kickback pulses, have been shown to induce energy gains in Lead acid and LiFePO4 batteries, when using specific operational parameters, but with no clear indication as to the source of the additional energy. While there are presently no widely accepted theories or models regarding the energetic pathways and processes involved, it is proposed that there are only two viable possibilities for the source of the observed energy gains, as distinct from the actual mechanisms
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Holota, O. O., A. M. Mukha, D. V. Ustymenko, and S. V. Plaksin. "Investigation of Processes in the Traction Capacitor Circuit of the Model of High-Speed Magnetolevitation Transport." Science and Transport Progress, no. 1(105) (March 21, 2024): 30–41. http://dx.doi.org/10.15802/stp2024/301521.

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Purpose. High-speed magnetolevitation transport (maglev), based on the principle of electrodynamic suspension, has features in the form of large sections of the windings of the track coils. Therefore, there is a need to study electrical processes in the circuits of these coils to improve the efficiency of the energy performance of this type of transport. The study of electrical processes in the circuits of a track power plant makes it possible to substantiate the prerequisites for the creation of a distributed energy storage and transmission system. The power plant consists of separate subsyst
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Schönle, A., C. Gnanasambandham, and P. Eberhard. "Broadband Damping Properties of Particle Dampers Mounted to Dynamic Structures." Experimental Mechanics, August 4, 2022. http://dx.doi.org/10.1007/s11340-022-00882-2.

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Abstract Background The background of this work is the classification of the broadband properties of particle dampers (PDs). This broadband characteristic has experienced little systematic investigation in experiments. Objective So the primary objective of this paper is to find a measure to quantify the broadband damping properties of PDs. Also the demonstration of applicability to technical structures is a desired goal and the experiments provide a sound basis. Methods The methods for evaluating the performance of particle dampers and tuned mass dampers target the reduction of vibration ampli
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Dissertations / Theses on the topic "Electrodynamic test bench"

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Prouza, Jiří. "Zpracování dat provozního zatížení pro zkoušky na elektrodynamickém zkušebním stavu." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-444977.

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This master's thesis deals with data processing for an electrodynamic test bench. The thesis presents a theoretical overview of signal distribution, determination of fatigue damage from random vibrations and a description of test benches. The next part deals with setting up the test time reduction in GlyphWorks software. The aim of this thesis is to process and create a procedure for an accelerated fatigue test from data measured during an operational test on a polygon. The data are then verified on an electrodynamic test rig using a Skoda Auto dynamic test room. The final part of the thesis c
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Gautrelet, Christophe. "Développement et exploitation d'un banc vibratoire en flexion pour les essais de fatigue Linearity investigation from a vibratory fatigue bench Fatigue curves of a low carbon steel obtained from vibration experiments with an electrodynamic shaker." Thesis, Normandie, 2019. http://www.theses.fr/2019NORMIR21.

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Dans le but de fournir des données expérimentales pour alimenter les modèles numériques développés au Laboratoire de Mécanique de Normandie, nous avons mis en place un banc d'essais uniaxiaux en fatigue vibratoire permettant de tester des structures à grand nombre de cycles. Après la rédaction d’un cahier des charges pour définir les caractéristiques d’excitations et de mesures, une étude de qualification de ce moyen d’essais est présentée afin d’obtenir les plages de performance basée sur l’hypothèse de linéarité du système. Ensuite, pour vérifier la faisabilité en fatigue, nous avons réalisé
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Conference papers on the topic "Electrodynamic test bench"

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Petrone, Nicola, Francesco Trabacchin, and Fausto Panizzolo. "Development of a Servohydraulic Roller Test Bench for Indoor Evaluation of the Vibrational Comfort of Bicycle Components." In ASME 2015 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/detc2015-47824.

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One of the most important parameters evaluated by racing and trekking cyclists is vibrational comfort: as generally accepted, it is closely correlated to the response of bicycle components in combination with the cyclist’s characteristics. Vibration transmissibility of wheels and saddles was recently studied during lab tests using a wooden dummy bottom resting on the saddle or in road tests on an instrumented racing bicycle at different speeds on different surfaces. The use of shakers is also well established in the evaluation of cyclist’s posture effects on the overall bicycle behaviour. In f
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Gourc, Etienne, Guilhem Michon, Se´bastien Seguy, and Alain Berlioz. "Experimental Investigation and Theoretical Analysis of a Nonlinear Energy Sink Under Harmonic Forcing." In ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/detc2011-48090.

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In the present works, we examine experimentally and theoretically the dynamic behavior of linear oscillator strongly coupled to a nonlinear energy sink under external periodic forcing. The nonlinear oscillator has a nonlinear restoring force realized geometrically with two linear springs that extend axially and are free to rotate. Hence, the force-displacement relationship is cubic. The linear oscillator is directly excited via an electrodynamic shaker. Experiments realized on the test bench consist of measuring the displacement of the oscillators while increasing and decreasing frequencies ar
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Denis, Sophie, Sébastien Hoffait, Jérôme Ligot, Jean de Cazenove, and Loïc Salles. "Improvement and Validation of an Autonomous Experimental System to Identify BLISK Mistuning." In ASME Turbo Expo 2023: Turbomachinery Technical Conference and Exposition. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/gt2023-102903.

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Abstract This paper presents an autonomous mistuning identification method for single BLISKs. The proposed methodology relies on the ICMM identification methodology. The required inputs are obtained thanks to measurements of the system mode shapes and natural frequencies carried out with a dedicated test rig. The BLISK is excited by an electrodynamic shaker. An infrared Laser Doppler Vibrometer attached to a robotic arm is used to perform the measurements on the blades. The use of a robotic arm enables the reduction of human interventions and significantly limits the positioning error which in
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