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Letteratura scientifica selezionata sul tema "PERMANENT MAGNET BRUSHLESS"

Autore: Grafiati

Pubblicato: 11 settembre 2023

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Articoli di riviste sul tema "PERMANENT MAGNET BRUSHLESS"

1

Panchal, T. H., A. N. Patel e R. M. Patel. "Reduction of cogging torque of radial flux permanent magnet brushless DC motor by magnet shifting technique". Electrical Engineering & Electromechanics, n. 3 (30 maggio 2022): 15–20. http://dx.doi.org/10.20998/2074-272x.2022.3.03.

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Introduction. In spite of many advantages of radial flux permanent magnet brushless DC motors it suffers from the distinct disadvantage of high cogging torque. The designer must emphasize to reduce the cogging torque during the design stage. This paper introduces magnet shifting technique to mitigate cogging torque of surface mounted radial flux brushless DC motor. Methodology. Initially 200 W, 1000 rpm surface mounted radial flux permanent magnet brushless DC motor is designed with symmetrical placement of permanent magnets with respect to each other on rotor core. Cogging torque profile of this initial motor is obtained by performing finite element modelling and analysis. Originality. This design has been improved by shifting the position of permanent magnets with respect to adjacent permanent magnets. The effect of magnet shifting on cogging torque has been analyzed by performing finite element analysis. Results. It has been examined that the peak to peak cogging torque is decreased from 1.1 N×m to 0.6 N×m with shifting of permanent magnets respectively.

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2

Chan, C. C., W. Xia, J. Z. Jiang, K. T. Chan e M. L. Zhu. "Permanent magnet brushless drives". IEEE Industry Applications Magazine 4, n. 6 (1998): 16–22. http://dx.doi.org/10.1109/2943.730754.

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3

Brakanskis, Uldis, Janis Dirba, Ludmila Kukjane e Viesturs Drava. "Analysis of a Permanent-Magnet Brushless DC Motor with Fixed Dimensions". Scientific Journal of Riga Technical University. Power and Electrical Engineering 26, n. 1 (1 gennaio 2010): 78–81. http://dx.doi.org/10.2478/v10144-010-0025-z.

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Analysis of a Permanent-Magnet Brushless DC Motor with Fixed DimensionsThe purpose of this paper is to describe the analysis of a permanent-magnet brushless DC motor with fixed outer diameter and active zone length. The influence of air gap, material of permanent magnets and their size on the magnetic flux density of the machine and magnetic flux is analyzed. The work presents the calculations of two programs, the comparison of the results and the most suitable combination of factors that has been found.

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4

Kaňuch, Ján, e Želmíra Ferková. "Design and simulation of disk stepper motor with permanent magnets". Archives of Electrical Engineering 62, n. 2 (1 giugno 2013): 281–88. http://dx.doi.org/10.2478/aee-2013-0022.

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Abstract In this paper the design and the magneto-static simulation of axial-flux permanent- magnet stepper motor with the disc type rotor is presented. Disk motors are particularly suitable for electrical vehicles, robots, valve control, pumps, centrifuges, fans, machine tools and manufacturing. The brushless machine with axial flux and permanent magnets, also called the disc-type machine, is an interesting alternative to its cylindrical radial flux counterpart due to the disk shape, compact construction and high torque density. This paper describes a design of four phase microstepping motor with the disc type rotor. The FEM modeling and the 3D magneto-static simulation of the disk stepper motor with permanent magnets is being subject of the article, too. Disc rotor type permanent magnet stepper motor for high torque to inertia ratio is ideal for robotics and CNC machines.

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5

Miller, Tim. "Brushless permanent-magnet motor drives". Power Engineering Journal 2, n. 1 (1988): 55. http://dx.doi.org/10.1049/pe:19880010.

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6

Nurmalia, Alif, Widyono Hadi e Widya Cahyadi. "Performance Test of Three-Phase Brushless Direct Current Motor Axial Flux with Differences Diameter of Neodymium Type Permanent Magnet". ELKHA 13, n. 1 (20 aprile 2021): 55. http://dx.doi.org/10.26418/elkha.v13i1.41693.

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Technology that is growing rapidly and innovations that have sprung up in the electrical field today are driving the use of electricity as a source of energy to do work. Electric motor is one component that is very popular in the industrial world and households that are useful to human life. In addition to DC motors and induction motors, there are also 3 phase brushless direct current (BLDC) motors which are a type of synchronous motor where magnetic fields are produced by rotor and stator at the same frequency. The rotor is a moving part of the brushless direct current motor which is a place of permanent magnet called a pole. This paper discusses the performance of brushless direct current 3 phase axial flux motors with different diameters of neodymium type permanent magnets. Tests carried out using neodymium permanent magnets with diameters of 15mm x 2mm and 20mm x 2mm were tested without using a load and using load. The parameters used in testing motor performance include speed, torque, and motor power with a source voltage of 12V, 16V, 20V, and 24V. The test results shows that the speed value of a BLDC motor using permanent magnets with a size of 20mm x 2mm is greater than that of permanent magnets of 15mm x 2mm. The same thing applies to the value of the power produced while, for the value of torque when the motor uses a permanent magnet of 15mm x 2mm will be greater than that of a motor using a permanent magnet of 20mm x 2mm.

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7

Dąbrowski, Mirosław, e Andrzej Rudeński. "Synthesis and CAD of permanent magnet DC brushless motors". Archives of Electrical Engineering 59, n. 1-2 (1 settembre 2010): 87–98. http://dx.doi.org/10.2478/s10171-010-0007-y.

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Synthesis and CAD of permanent magnet DC brushless motorsThe paper presents an algorithm and software for the optimal design of permanent magnet brushless DC motors. Such motors are powered by DC voltage sources via semiconductor switches connected to the motor phase belts. The software is adjusted to the design of motors with NdFeB high energy density magnets. An attention has been given to issues important in the design of the motors, i.e., permanent magnet selection, structure of magnetic circuit, and armature windings. Particularly, precision of calculation of the permanent magnet operating point, visualization of selection process of the winding belts, and magnetic circuit dimensioning have been investigated. The authors have been trying to make the equations more specific and accurate than those presented in the literature. The user software interface allows changes in the magnetic circuit dimensions, and in the winding parameters. It is possible to examine simultaneously the influence of these changes on the calculation results. The software operates both with standard and inverted (outer rotor) motor structure. To perform optimization, a non-deterministic method based on the evolution strategy (μ+λ) - ES has been used.

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8

Low, T. S., M. A. Jabbar e M. A. Rahman. "Permanent-magnet motors for brushless operation". IEEE Transactions on Industry Applications 26, n. 1 (1990): 124–29. http://dx.doi.org/10.1109/28.52683.

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9

Ede, J. D., K. Atallah e D. Howe. "Modular permanent magnet brushless servo motors". Journal of Applied Physics 93, n. 10 (15 maggio 2003): 8772–74. http://dx.doi.org/10.1063/1.1556984.

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10

Long, Ping, e Wei Xie. "Study on the Energizing Mode of Marine Seven-Phase Permanent Magnet Brushless DC Motor". Journal of Physics: Conference Series 2527, n. 1 (1 giugno 2023): 012036. http://dx.doi.org/10.1088/1742-6596/2527/1/012036.

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Abstract The permanent magnet brushless DC propulsion motor is highly efficient and energy-saving and can be widely used in the electric propulsion system of ships. Therefore, taking the marine seven-phase permanent magnet brushless DC propulsion motor as the main research object, the basic structure of the motor is analyzed, the states of the seven-phase conduction, six-phase conduction, and five-phase conduction modes are listed, and mathematical models of the three different conduction modes are studied. Finally, the current fluctuation of the six-phase conduction mode is smaller through simulation. The speed is more stable, and the advantages are greater, which provides a reference for the application of a seven-phase permanent magnet brushless DC propulsion motor in marine power.

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Tesi sul tema "PERMANENT MAGNET BRUSHLESS"

1

Ng, Kong. "Electromagnetic losses in brushless permanent magnet machines". Thesis, University of Sheffield, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.579745.

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2

Mantala, Chawanakorn. "Sensorless control of brushless permanent magnet motors". Thesis, University of Bolton, 2013. http://ubir.bolton.ac.uk/625/.

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In this thesis, a sensorless control method of permanent magnet synchronous machines (PMSMs), whose machine neutral points are accessible, for all speeds and at standstill is proposed, researched and developed. The sensorless method is called Direct Flux Control (DFC). The different voltages between a machine neutral point and an artificial neutral point are required for the DFC method. These voltages are used to extract flux linkage signals as voltage signals, which are necessary to approximate electrical rotor positions by manipulating the flux linkage signals. The DFC method is a continuous exciting method and based on an asymmetry characteristic and machine saliencies. The DFC method is validated by implementing on both software and hardware implementation. A cooperative simulation with Simplorer for the driving circuit and programming the DFC and Maxwell for doing finite element analysis with the machine design is selected as the software simulation environment. The machine model and the DFC method are validated and implemented. Moreover, the influences of different machine structures are also investigated in order to improve the quality of the measured voltages. The hardware implementation has been employed on two test benches, i.e. for small machines and for big machines. Both test benches use a TriCore PXROS microcontroller platform to implement the DFC method. There are several PMSMs, both salient poles and non-salient poles, which are used to validate the DFC method. The flux linkage signals are also analyzed. The approximation of the flux linkage signal is derived and proposed. A technique to remove the uncertainty of the calculated electrical rotor position based on the inductance characteristics has been found and implemented. The electrical rotor position estimation method has been developed based on the found flux linkage signal approximation function and analyzed by comparing with other calculation techniques. Moreover, the calculated electrical rotor position is taken into account to either assure or show the relation with the exact rotor position by testing on the hardware environment. The closed loop speed sensorless control of PMSMs with DFC is presented and executed by using the assured calculated electrical rotor position to perform the DFC capability. This thesis has been done in the Electric Machines, Drives and Power Electronics Laboratory, South Westphalia University of Applied Sciences, Soest, Germany.

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3

Ede, Jason David. "High-speed permanent magnet brushless DC motors". Thesis, University of Sheffield, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.719807.

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4

Evans, David. "Novel partitioned stator permanent magnet brushless machines". Thesis, University of Sheffield, 2015. http://etheses.whiterose.ac.uk/8605/.

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5

Wiriyakitja, Wisaruda. "Winding current reconstruction of brushless permanent magnet motor". Title page, contents and abstract only, 2001. http://web4.library.adelaide.edu.au/theses/09ENS/09ensw798.pdf.

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Bibliography: leaves 101-102. The main objective of this thesis is to reconstruct the winding currents accurately by using the information of DC link current and the switching signals. Describes the advantages and disadvantages of the BLPM motor and presents a comparative study. Reports the current measurement techniques and related devices and then discusses the requirement of current sensors and their locations in detail. Explains the simulation program of the BLPM motor drive. Describes the experimental setup that is used to validate the simulation results. Provides the details of all possible switching states of the inverter that is obtained by analysing the switching patterns and the directions of the currents and the details of the LabVIEW-based simulation block diagrams.

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6

Martin, Benjamin C. "Geometric Design Optimization of Brushless Permanent Magnet Motors". Fogler Library, University of Maine, 2009. http://www.library.umaine.edu/theses/pdf/MartinBC2009.pdf.

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7

Atallah, Kais. "Iron losses in brushless permanent magnet DC machines". Thesis, University of Sheffield, 1993. http://etheses.whiterose.ac.uk/14941/.

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A closed-loop computer-controlled single-sheet test system has been developed to characterise lamination materials and to measure, the iron loss density under any specified flux density waveform. The system has been 'used to validate predictions from a recently developed theoretical model, for the calculation of the excess loss component associated with domaiQ wall movement, under flux density waveforms typical of those encountered in the stator core of brushless permanent magnet dc motors. In addition, an improved expression for the calculation of the iron loss density component, from measured 71 and 7!vectors, due to rotatio~ in non-purely rotating flux conditions, has been derived. A simple analytical model from which the airgap flux density and spread of magnet working points can be determined and which accounts for the effects of curvature for radial-field permanent magnet machines has been developed and validated. The model has been coupled to an analytical technique for the prediction of the open-circuit flux density waveforms in different regions of the stator core, and has subsequently been employed for the prediction of the open-circuit iron loss. In order to predict the iron loss under any specified load condition, a technique which couples a brushless dc drive system simulation to a series of magnetostatic finite element analyses corresponding to discrete instants in a commutation cycle has been developed. It enables the prediction of the local flux density waveforms throughout the stator core under any operating condition, and has been employed to predict the local iron loss density distribution 'and the total iron loss and their variation with both the load and the commutation strategy, Finally, the theoretical findings have been validated against measurements on a representative low power brushless drive system.

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8

Bentouati, Syham. "Permanent magnet brushless DC motors for low cost applications". Thesis, University of Sheffield, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.487427.

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9

Al-Hadithi, Khalid Salih Mohammad. "Mathematical modelling of permanent-magnet brushless DC motor drives". Thesis, Loughborough University, 1992. https://dspace.lboro.ac.uk/2134/7302.

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Brushless dc motor drives have become increasingly popular, following recent developments in rare-earth permanent-magnet materials and the semiconductor devices used to control the stator input power and to sense the rotor position. They are now frequently used in applications such as flight control systems and robot actuators, and for drives which require high reliability, long life, little maintenance and a high torque-to-weight ratio. In many motor drives the presence of torque and speed ripples, especially at low speed, is extremely undesirable. The mathematical model developed in this thesis was used to investigate their occurrence in a typical brushless dc drive system, with the objective of establishing factors which effect their magnitude and ways by which they may be reduced. The model is based on the numerical solution of the differential equations for the system, with those for the motor being formulated in the phase reference frame. Tensor methods are used to account for both the varying topology and the discontinuous operation of the motor arising from changes in the conduction pattern of the inverter supply switches. The thesis describes the design, construction and testing of an experimental voltage source PWM inverter, using MOSFET switching devices, to drive a 1.3 kW 3-phase brushless dc motor. A practical circuit is described which implements current profiling to minimize torque ripple, and the optimum phase current waveforms are established. The effect of changes in the firing angle of the inverter switches on the torque ripple are also examined. Throughout the thesis, theoretical predictions are verified by comparison with experimental results.

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10

Shen, Yang. "Novel permanent magnet brushless machines having segmented Halbach array". Thesis, University of Sheffield, 2013. http://etheses.whiterose.ac.uk/3376/.

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Permanent magnet brushless machines having Halbach array exhibit a number of attractive features. Therefore, they have been increasingly applied to different market sectors, including aerospace, industrial, domestic, renewable, and healthcare, etc. The need of fast global optimization, cost-effective design, and physical understanding of the relationship between parameters and performance requires a powerful analytical model. This thesis develops a general analytical model which is capable of predicting the electromagnetic performance of slotted/slotless permanent magnet brushless machines with both even- and odd-segment Halbach array, having different magnet remanence, magnetization angle and arc for each single magnet segment. The validity of proposed analytical model is examined by finite-element analyses. The price of Neodymium Iron Baron magnet has been raised rapidly over the last few years, which has increased the awareness of cost-effective design and leads the magnet usage efficiency, viz. the ratio of average output torque over permanent magnet volume, to be an important design concern for industry applications. Meanwhile, the needs of high electromagnetic performance including lower torque ripple and sinusoidal air-gap flux density are also critically required. In order to meet such demands, the magnet poles having unequal-magnet height, modular high cost and low cost magnets, together with Halbach magnetization are proposed in this thesis. Based on the developed analytical models, extensive investigation has been performed. Furthermore, in order to fast optimize design parameters, e.g. optimal magnet arc ratio for 2-segment Halbach array and split ratio for external rotor PM machine, two analytical models are developed and validated by finite-element analysis and measurements. With the aid of developed analytical models and finite element analyses, the findings provide useful guidelines for design and analysis of permanent magnet brushless machine having conventional and proposed Halbach arrays.

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Più fonti

Libri sul tema "PERMANENT MAGNET BRUSHLESS"

1

Hanselman, Duane C. Brushless permanent-magnet motor design. New York: McGraw-Hill, 1994.

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2

Hendershot, J. R. Design of brushless permanent-magnet machines. Venice, Florida: Motor Design Books, 2010.

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3

Gieras, Jacek F., Rong-Jie Wang e Maarten J. Kamper. Axial Flux Permanent Magnet Brushless Machines. Dordrecht: Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-8227-6.

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4

Kenjo, Takashi. Permanent-magnet and brushless DC motors. Oxford: Clarendon, 1985.

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5

Kenjō, Takashi. Permanent-magnet and brushless DC motors. Oxford: Clarendon Press, 1985.

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6

Miller, T. J. E. 1947-, a cura di. Design of brushless permanent-magnet motors. Hillsboro, OH: Magna Pysics Pub., 1994.

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7

Gieras, Jacek F. Axial flux permanent magnet brushless machines. 2^a ed. [New York]: Springer, 2008.

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8

Hendershot, J. R. Design of brushless permanent magnet motors. Hillsboro, Ohio (PO Box 78, Hillsboro 45133): Magna Physics Corp., 1991.

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9

Gieras, Jacek F. Axial flux permanent magnet brushless machines. Dordrecht: Kluwer Academic, 2003.

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10

Hendershot, J. R. Design of brushless permanent-magnet motors. Oxford: Oxford University Press, 1994.

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Capitoli di libri sul tema "PERMANENT MAGNET BRUSHLESS"

1

Gieras, Jacek F. "Permanent Magnet Brushless Motors". In Electrical Machines, 369–417. Boca Raton : CRC Press, 2017.: CRC Press, 2016. http://dx.doi.org/10.1201/9781315371429-8.

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2

Gieras, Jacek F., e Jian-Xin Shen. "High-Speed PM Brushless Machines". In Modern Permanent Magnet Electric Machines, 247–66. Boca Raton: CRC Press, 2022. http://dx.doi.org/10.1201/9781003103073-9.

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3

Gieras, Jacek F., e Jian-Xin Shen. "PM Brushless DC Motors and Drive Control". In Modern Permanent Magnet Electric Machines, 149–92. Boca Raton: CRC Press, 2022. http://dx.doi.org/10.1201/9781003103073-6.

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4

Yan, Hongkui, Lei Zhou e Lidong Liu. "Chaos Genetic Algorithm Optimization Design Based on Permanent Magnet Brushless DC Motor". In Proceedings of the 2015 International Conference on Electrical and Information Technologies for Rail Transportation, 329–37. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-49367-0_34.

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5

Kaliappan, E., e C. Sharmeela. "Torque Ripple Minimization of Permanent Magnet Brushless DC Motor Using Genetic Algorithm". In Communications in Computer and Information Science, 53–55. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-642-15739-4_9.

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6

Ramesh Babu, P., S. Ramprasath e B. Paranthagan. "Modeling and Dynamic Simulation of Permanent Magnet Brushless DC Motor (PMBLDCM) Drives". In Mobile Communication and Power Engineering, 556–64. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-35864-7_86.

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7

Vuddanti, Sandeep, Sharankumar Shastri e Surender Reddy Salkuti. "Design of Permanent Magnet Brushless DC Motor for Electric Vehicle Traction Application". In Recent Advances in Power Electronics and Drives, 317–33. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-16-9239-0_24.

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8

Kumar, Raj, e Md Nishat Anwar. "Optimal Design of Permanent Magnet Brushless DC (PMBLDC) Motor Using PSO Algorithm". In Studies in Big Data, 479–90. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-33-4412-9_33.

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Bao, Chenming, Bin Li, Ailin Kong e Dalei Luo. "Design and Optimization of Permanent Magnet Brushless DC Motor Control System for Flywheel". In Lecture Notes in Electrical Engineering, 655–63. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-3387-5_77.

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Liu, Chao, Dongwen Wang, Wensheng Wang e Qiang Chen. "Research on High-Speed Permanent Magnet Brushless DC Motor with High Power Density". In The proceedings of the 10th Frontier Academic Forum of Electrical Engineering (FAFEE2022), 1279–86. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-3404-1_115.

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Atti di convegni sul tema "PERMANENT MAGNET BRUSHLESS"

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Liu, T. S., e Y. C. Chung. "A Novel Brushless Permanent Magnet Motor for Electric Scooters". In ASME 2014 12th Biennial Conference on Engineering Systems Design and Analysis. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/esda2014-20480.

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The purpose of this study is to design brushless permanent magnet DC motors for electric vehicles based on a pole-changing method. By generating a pulse when changing the number of poles, magnetization of magnets can be changed appropriately and the principle of pole-changing motors can be applied to permanent magnet machines. This kind of machine not only retains the feature of permanent magnet machines in efficiency, but also acquires wide speed range. In this study, a pole-changing method using common windings is proposed and performance of brushless permanent magnet DC pole-changing motors is investigated. According to T-N curves, the proposed brushless permanent magnet pole-changing motor yields larger starting torque and wider speed range than motors with a fixed number of poles.

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2

Moradi, H., M. Seyed Yazdi e E. Afjei. "Brushless dc generator without permanent magnet". In 2010 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM 2010). IEEE, 2010. http://dx.doi.org/10.1109/speedam.2010.5545121.

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3

Welford, J., A. Sophian, A. Forsyth e J. Apsley. "Computationally efficient brushless permanent magnet motor modelling". In 7th IET International Conference on Power Electronics, Machines and Drives (PEMD 2014). Institution of Engineering and Technology, 2014. http://dx.doi.org/10.1049/cp.2014.0432.

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4

Zhu, Z. Q. "Novel linear tubular brushless permanent magnet motor". In Eighth International Conference on Electrical Machines and Drives. IEE, 1997. http://dx.doi.org/10.1049/cp:19971044.

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Ede, J. D. "Modular fault-tolerant permanent magnet brushless machines". In International Conference on Power Electronics Machines and Drives. IEE, 2002. http://dx.doi.org/10.1049/cp:20020153.

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6

Maga, Dusan, Mykhaylo Zagirnyak e Damijan Miljavec. "Additional losses in permanent magnet brushless machines". In 2010 14th International Power Electronics and Motion Control Conference (EPE/PEMC 2010). IEEE, 2010. http://dx.doi.org/10.1109/epepemc.2010.5606520.

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Minciunescu, Paul, Mihaela Scortescu e Stelian Marinescu. "Design considerations of permanent magnet brushless generators". In 2010 3rd International Symposium on Electrical and Electronics Engineering (ISEEE). IEEE, 2010. http://dx.doi.org/10.1109/iseee.2010.5628490.

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8

Lyshevski, S. E., e A. Menozzi. "Control of permanent-magnet brushless DC motors". In Proceedings of American Control Conference. IEEE, 2001. http://dx.doi.org/10.1109/acc.2001.946066.

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9

Wang, L. L., J. X. Shen, Y. Wang e K. Wang. "A novel magnetic-geared outer-rotor permanent-magnet brushless motor". In 4th IET International Conference on Power Electronics, Machines and Drives (PEMD 2008). IEE, 2008. http://dx.doi.org/10.1049/cp:20080478.

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Dasari, Ravi Kiran, Sathish Jude Madipalli e Susmitha Javvadi. "Power quality improvement of brushless permanent magnet and non-permanent magnet machines using DSTACOM". In 2015 International Conference on Electrical, Electronics, Signals, Communication and Optimization (EESCO). IEEE, 2015. http://dx.doi.org/10.1109/eesco.2015.7253763.

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Rapporti di organizzazioni sul tema "PERMANENT MAGNET BRUSHLESS"

1

Wiles, R. H. Interior Permanent Magnet Reluctance Machine with Brushless Field Excitation. Office of Scientific and Technical Information (OSTI), ottobre 2005. http://dx.doi.org/10.2172/886009.

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2

Hsu, J. S., T. A. Burress, S. T. Lee, R. H. Wiles, C. L. Coomer, J. W. McKeever e D. J. Adams. 16,000-rpm Interior Permanent Magnet Reluctance Machine with Brushless Field Excitation. Office of Scientific and Technical Information (OSTI), ottobre 2007. http://dx.doi.org/10.2172/921780.

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3

Hsu, John S., Timothy A. Burress, Seong T. Lee, Randy H. Wiles, Chester Coomer, John W. McKeever e Donald J. Adams. 16,000-RPM Interior Permanent Magnet Reluctance Machine with Brushless Field Excitation. Office of Scientific and Technical Information (OSTI), ottobre 2007. http://dx.doi.org/10.2172/932118.

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4

Ludois, Daniel C., e Ian Brown. Brushless and Permanent Magnet Free Wound Field Synchronous Motors for EV Traction. Office of Scientific and Technical Information (OSTI), marzo 2017. http://dx.doi.org/10.2172/1349258.

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