Academic literature on the topic 'Machines à mémoire de flux variable'

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Journal articles on the topic "Machines à mémoire de flux variable"

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Owen, R. L., Z. Q. Zhu, J. B. Wang, D. A. Stone, and I. Urquhart. "Review of Variable-flux Permanent Magnet Machines." Journal of international Conference on Electrical Machines and Systems 1, no. 1 (2012): 23–31. http://dx.doi.org/10.11142/jicems.2012.1.1.023.

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Huang, L. R., J. H. Feng, S. Y. Guo, J. X. Shi, W. Q. Chu, and Z. Q. Zhu. "Fast design method of variable flux reluctance machines." CES Transactions on Electrical Machines and Systems 2, no. 1 (2018): 152–59. http://dx.doi.org/10.23919/tems.2018.8326462.

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Vansompel, Hendrik, Peter Sergeant, Luc Dupre, and Alex Van den Bossche. "Axial-Flux PM Machines With Variable Air Gap." IEEE Transactions on Industrial Electronics 61, no. 2 (2014): 730–37. http://dx.doi.org/10.1109/tie.2013.2253068.

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Zhou, Zicheng, Hao Hua, and Ziqiang Zhu. "Flux-Adjustable Permanent Magnet Machines in Traction Applications." World Electric Vehicle Journal 13, no. 4 (2022): 60. http://dx.doi.org/10.3390/wevj13040060.

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This paper overviews the recent advances in flux-adjustable permanent magnet (PM) machines for traction applications. The flux-adjustable PM machines benefit from the synergies of the high torque density and high efficiency in conventional PM machines as well as the controllable air-gap field in wound-field machines, which are attractive for the traction applications requiring enhanced capabilities of speed regulation and uncontrolled voltage mitigation. In general, three solutions have been presented, namely the hybrid excited (HE), the mechanically regulated (MR), and the variable flux memor
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Basnet, Bigyan, and Pragasen Pillay. "Torque Pulsation Reduction During Magnetization in Variable Flux Machines." IEEE Journal of Emerging and Selected Topics in Power Electronics 10, no. 2 (2022): 1703–11. http://dx.doi.org/10.1109/jestpe.2021.3135363.

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Huang, L. R., J. H. Feng, S. Y. Guo, J. X. Shi, W. Q. Chu, and Z. Q. Zhu. "Analysis of Torque Production in Variable Flux Reluctance Machines." IEEE Transactions on Energy Conversion 32, no. 4 (2017): 1297–308. http://dx.doi.org/10.1109/tec.2017.2698836.

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Lyeo, Min-Gu, Kyu-Yun Hwang, and Sung-Hyun Lee. "Design of Dual Winding Flux Modulation Machine for Performance Improvement in Variable Speed Application." Machines 12, no. 8 (2024): 535. http://dx.doi.org/10.3390/machines12080535.

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In this paper, a Dual Winding Flux Modulation Machine (DWFMM) is proposed for variable speed application. The DWFMM is configured by adding windings to the Single Winding Flux Modulation Machine (SWFMM), consisting of a master winding that drives the motor and a slave winding that enables pole changing and performance enhancement. Through pole changing, the DWFMM can operate as two different machines: a Vernier Machine (VM) for varying speeds and torque operations and a Permanent Magnet Synchronous Machine (PMSM). In the VM mode, flux enhancement is applied to improve torque, and in the PMSM m
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Mörée, Gustav, and Mats Leijon. "Overview of Hybrid Excitation in Electrical Machines." Energies 15, no. 19 (2022): 7254. http://dx.doi.org/10.3390/en15197254.

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Hybrid excitation is a technology that combines the advantages of field windings and permanent magnets for inducing magnetic flux. This article studies the benefits of hybrid excitation and provides an outlook on their possible applications, such as wind power generators and electric vehicle motors. Compared to permanent magnet-based machines, hybrid excitation gives a variable flux while still using the advantage of the permanent magnets for a portion of the flux. This article also looks into some different categories of machines developed for hybrid excitation. The categories are based on th
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Liu, X., and Z. Q. Zhu. "Comparative Study of Novel Variable Flux Reluctance Machines With Doubly Fed Doubly Salient Machines." IEEE Transactions on Magnetics 49, no. 7 (2013): 3838–41. http://dx.doi.org/10.1109/tmag.2013.2242047.

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Ibrahim, Maged, Lesedi Masisi, and Pragasen Pillay. "Design of Variable-Flux Permanent-Magnet Machines Using Alnico Magnets." IEEE Transactions on Industry Applications 51, no. 6 (2015): 4482–91. http://dx.doi.org/10.1109/tia.2015.2461621.

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Dissertations / Theses on the topic "Machines à mémoire de flux variable"

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Domingues, de Sousa Flávia. "Study and modeling of a Fe-Cr-Co magnet based Variable Flux Memory Machine for its supply and mechanical sensorless control at high speed." Electronic Thesis or Diss., Université de Lorraine, 2023. http://www.theses.fr/2023LORR0105.

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Les Machines Synchrones à Aimants Permanents (MSAPs) sont largement utilisées pour les applications d'électrification des transports. En produisant son flux magnétique à partir des aimants à base des terres rares (par exemple, Nd-Fe-B), ces machines ont été remise en question ces dernières années en raison des risques d'approvisionnement, de la variabilité des prix et des défis environnementaux liés à ces matériaux magnétiques mentionnés. À ce scénario, s'ajoutent également les limitations d'usage des MSAPs dans de grandes plages de couple-vitesse, nécessitant généralement des stratégies de dé
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Huang, Liren. "Investigation of novel variable flux reluctance machines for traction application." Thesis, University of Sheffield, 2018. http://etheses.whiterose.ac.uk/20521/.

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With the increasing concerns about the price of rare-earth material, machines with less or no permanent magnet material have been extensively analyzed for application in electrical vehicles (EVs). As one typical magnetless machine, the variable flux reluctance machine (VFRM) is comprehensively investigated in this thesis in terms of operation principle, stator/rotor pole combination, winding configuration, power factor, current profiling technique, rotor shaping technique and design method.
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Lee, Beomseok. "Investigation of torque production and control strategy for variable flux reluctance machines." Thesis, University of Sheffield, 2016. http://etheses.whiterose.ac.uk/16050/.

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This thesis is focused on the torque production and control strategies of variable flux reluctance machines (VFRMs). Based on energy conservation, an instantaneous torque equation is developed and analysed, which reveals the contributions of harmonic currents and inductances to the torque production. By using Fourier series, all of the harmonics in the phase currents and winding inductances are considered. It was found that the average torque of a 6/4 VFRM is mainly produced by the dc, fundamental and second harmonic components of the phase currents. Based on the derived torque equation, magni
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Poulot, Patrick. "Contribution à l'étude des machines à réluctance variable et à aimant : structure à concentration de flux." Toulouse, INPT, 1995. http://www.theses.fr/1995INPT090H.

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Ces travaux traitent des machines a aimants permanents et a petits plots magnetiques excites par des bobinages globalises. Dans ces dispositifs, l'echelle geometrique du bobinage est dissociee de l'echelle de repartition des champs au niveau de la denture. Cette topologie permet d'obtenir, a condition d'opter pour des dimensions reduites des plots, des structures a fort couple massique. L'insertion d'aimants permanents dans les systemes de petits plots magnetiques permet d'ameliorer notablement le fonctionnement et autorise ainsi la conception de structures a efforts surfaciques moteurs tres e
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Dahmane, Mansour. "Machine à reluctance variable en fonctionnement moteur/générateur : contribution à l'optimisation de la structure et de l'alimentation." Vandoeuvre-les-Nancy, INPL, 2002. http://www.theses.fr/2002INPL086N.

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Le modèle des Machines à Reluctance Variable à Double Saillance (MRVDS) est établi ; il est basé sur la connaissance d'une fonction analytique représentant le flux en fonction du courant de phase et de la position rotorique, obtenu par éléments finis. Nous proposons une méthode d'interpolation dite de Krigeage dont l'intérêt principal est que la fonction du flux ainsi obtenue est deux fois dérivable par rapport au courant et à la position rotorique. Nous utilisons ce modèle pour calculer les performances, en modes moteur et générateur, de trois MRDVS : triphasée (structure 6/4), tétraphasée (s
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Belhadi, M'hamed. "Étude de machines à réluctance variable pour une application de traction électrique : réduction des ondulations de couple et des efforts radiaux." Thesis, Paris 11, 2015. http://www.theses.fr/2015PA112185.

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Le mémoire traite de la machine à réluctance variable en proposant d'une manière simultanée et du point de vue conception des solutions à ses deux inconvénients majeurs à savoir les ondulations de couple et les efforts radiaux. Les premières se propagent le long de la chaine de transmission diminuant ainsi le confort des usagers et les deuxièmes sont à l’origine d’une nuisance sonore. Dans une première partie et en s’intéressant à une structure axiale caractérisée par une faible force radiale, un bilan sur cette structure est donc établi. En effet, une configuration à deux stators et un rotor
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Zaharia, Mihai Valentin. "Contributions à l’étude des machines à reluctance variable pour application alterno-démarreur automobile." Thesis, Ecole centrale de Lille, 2016. http://www.theses.fr/2016ECLI0022/document.

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Ce travail de recherche est réalisé dans le cadre d'une collaboration internationale entre l'Université Technique de Cluj-Napoca en Roumanie et l'Ecole Centrale de Lille en France. Cette thèse a comme premier objectif, de réduire l’ondulation de couple d’une machine triphasée 6/8 à réluctance variable grâce aux paramètres de contrôle dans le mode de fonctionnement moteur et générateur. Par conséquent, un modèle analytique a été développé et mis en œuvre dans un environnement de calcul numérique. Un outil d'optimisation permettant de trouver les meilleurs paramètres de contrôle a été utilisé. T
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Djebarri, Sofiane. "Contribution à la modélisation et à la conception optimale de génératrices à aimants permanents pour hydroliennes." Thesis, Brest, 2015. http://www.theses.fr/2015BRES0012/document.

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L'amélioration des performances des chaînes de conversion dédiées à la récupération d'énergie par les hydroliennes est un point particulièrement important pour rendre cette ressource économiquement attractive. La minimisation du coût de l'énergie produite passe nécessairement par une amélioration des performances de la chaîne de conversion électromécanique et une réduction des coûts de maintenance et de production des éléments la constituant. Dans ce contexte particulier, les génératrices à aimants permanents apparaissent particulièrement intéressantes dans la mesure où elles sont bien adaptée
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Yammine, Samer. "Contribution to the Synchronous Reluctance Machine Performance Improvement by Design Optimization and Current Harmonics Injection." Phd thesis, Toulouse, INPT, 2015. http://oatao.univ-toulouse.fr/14555/1/yammine.pdf.

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This thesis is dedicated to the evaluation and the improvement of the synchronous reluctance machine’s performance for variable speed drive applications in general and for automotive applications in particular. The two axes of development are machine design and phase current harmonics injection. The rotor is an important element in the machine design and particular emphasis is placed to the design and evaluation of the rotor for enhancing the machine performance. An analytical procedure is proposed for the rotor design. The rotor elements like the ribs and the bridges that maintain the rotor m
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Book chapters on the topic "Machines à mémoire de flux variable"

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Haithem Lazreg, Mohamed, and Abderrahim Bentaallah. "Improved Direct Torque Control Based on Neural Network of the Double-Star Induction Machine Using Deferent Multilevel Inverter." In Direct Torque Control Strategies of Electrical Machines [Working Title]. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.89877.

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In this chapter, we will compare the performance of a multilevel direct torque control (DTC) control for the double-star induction machine (DSIM) based on artificial neural network (ANN). The application of DTC control brings a very interesting solution to the problems of robustness and dynamics. However, this control has some disadvantages such as variable switching frequency, size, and complexity of the switching tables and the strong ripple torque. A solution to this problem is to increase the output voltage level of the inverter and associate the DTC control with modern control techniques
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Conference papers on the topic "Machines à mémoire de flux variable"

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Ceylan, Doğa, Konstantin O. Boynov, and Elena A. Lomonova. "Post-processing-based Flux-weakening Control of Variable Flux Reluctance Machines." In 2024 IEEE 21st Biennial Conference on Electromagnetic Field Computation- Extended Papers (CEFC-Extended). IEEE, 2024. https://doi.org/10.1109/cefc65091.2024.10848604.

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Zeng, Xianxian, Heyun Lin, Yuxiang Zhong, Xifang Zhao, and Hui Yang. "Comparison of Variable Flux Memory Machine and Double-Variable Flux Memory Machine with Hybrid Magnetic Circuits." In 2024 27th International Conference on Electrical Machines and Systems (ICEMS). IEEE, 2024. https://doi.org/10.23919/icems60997.2024.10920900.

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Badahdah, Hesham S., and Ayman El-Refaie. "A Review of Recent Topologies of Variable Flux Machines." In 2024 International Conference on Electrical Machines (ICEM). IEEE, 2024. http://dx.doi.org/10.1109/icem60801.2024.10700421.

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Badahdah, Hesham S., and Ayman El-Refaie. "Designing and Optimizing Novel Hybrid-PM Variable Flux Machines." In IECON 2024 - 50th Annual Conference of the IEEE Industrial Electronics Society. IEEE, 2024. https://doi.org/10.1109/iecon55916.2024.10905673.

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Ceylan, Doğa, Konstantin O. Boynov, and Elena A. Lomonova. "Variable Flux Reluctance Machines for Heavy-Duty Vehicle Applications." In 2025 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD). IEEE, 2025. https://doi.org/10.1109/wemdcd61816.2025.11014196.

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Schinwald, Sarah, Gabriel Weissitsch, Edmund Marth, Gerd Bramerdorfer, and Thomas Krainer. "Characterization of a Variable Flux Machine with Mechanical Flux Modulators above the Rotor Poles." In 2025 IEEE International Electric Machines & Drives Conference (IEMDC). IEEE, 2025. https://doi.org/10.1109/iemdc60492.2025.11061111.

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Bianchi, Nicola. "Analysis and Design Remarks of Variable Flux Reluctance Motors." In 2025 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD). IEEE, 2025. https://doi.org/10.1109/wemdcd61816.2025.11014187.

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Gotoh, Daiki, and Masayuki Kato. "Design and Analysis of Variable Flux Motor with Rotatable Magnet." In 2024 27th International Conference on Electrical Machines and Systems (ICEMS). IEEE, 2024. https://doi.org/10.23919/icems60997.2024.10920917.

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Kesten, Julius, Philipp Müller, Matthias Brodatzki, and Martin Doppelbauer. "Holistic Efficiency Map Calculation of Variable Flux Machines Regarding Relative Magnetisation." In 2024 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM). IEEE, 2024. http://dx.doi.org/10.1109/speedam61530.2024.10609194.

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Tiemblo, Javier G. A., Marcos Orviz, Diego F. Laborda, and David Reigosa. "Effects of Eccentricity Faults on Variable Flux Permanent Magnet Synchronous Machines." In 2024 IEEE Energy Conversion Congress and Exposition (ECCE). IEEE, 2024. https://doi.org/10.1109/ecce55643.2024.10861040.

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