Results 31 to 40 of about 31,856 (231)
Alexandria Engineering Journal, 2022 A low speed sensorless position control method for brushless DC motor based on pulse pulse high frequency voltage injection is proposed according to the characteristic that the brushless DC motor (BLDCM) which is produced at present makes the counter ...
Lihui Sun
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Improved rotor-position estimation by signal injection in brushless AC motors, accounting for cross-coupling magnetic saturation [PDF]
, 2009 This paper presents an improved signal-injection- based sensorless-control method for permanent-magnet brushless ac (BLAC) motors, accounting for the influence of cross-coupling magnetic saturation between the d- and q-axes. The d- and q-axis incremental
Bingham, Chris +4 more
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Electrical engineering & Electromechanics, 2022 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.
T. H. Panchal, A. N. Patel, R. M. Patel
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Sensorless flux-weakening control of permanent-magnet brushless machines using third harmonic back EMF [PDF]
, 2004 The sensorless control of brushless machines by detecting the third harmonic back electromotive force is a relatively simple and potentially low-cost technique.
Howe, D., Shen, J.X., Zhu, Z.Q.
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Design and Simulation Analysis of Stator Slots for Small Power Permanent Magnet Brushless DC Motors
International Transactions on Electrical Energy Systems, 2023 With the development of power electronics technology, permanent magnet brushless DC motors have developed rapidly and are now widely used in electric vehicles, flywheel energy storage, rail transit, and other applications.
Chuanhui Zhu +4 more
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Evaluation of the magnetization direction effects on ferrite PM brushless fractional machines [PDF]
, 2012 Permanent magnets are frequently adopted in small brushless machines for automotive applications. Normally anisotropic ferrites, but some research on bonded magnets is being carried on.
Ferraris, Luca +3 more
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International Islamic University Malaysia Engineering Journal, 2012 : This paper develops a mathematical relationship for the purpose of designing and selecting the optimum dimensions of a brushless permanent magnet motor.
Reza Ilka, Seyyed Asghar Gholamian
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Research on the fault diagnosis of dual-redundancy BLDC motor
Energy Reports, 2021 In aerospace drive system, the double redundancy brushless DC motor can greatly improve the reliability of drive system. In this paper a double-redundancy brushless DC motor is designed, and a mathematical model is established.
Zhaoyang Fu, Xingbang Liu, Jinglin Liu
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Performance of halbach magnetized brushless ac motors [PDF]
IEEE Transactions on Magnetics, 2003 In this paper, an anisotropic bonded NdFeB Halbach magnetised ring magnet, which is oriented in powder alignment system during injection moulding and subsequently impulse magnetised, is employed. The features of such a Halbach magnetised machine, in terms of the airgap field distribution, and the back-emf and cogging torque waveforms, etc.
Zhu, Z.Q. +5 more
openaire +2 more sources
Iron loss in permanent-magnet brushless AC machines under maximum torque per ampere and flux weakening control [PDF]
, 2002 The airgap flux density distribution, flux density loci in the stator core, and the associated iron loss in two topologies of brushless AC motor, having a surface-mounted magnet rotor and an interior-mounted magnet rotor, respectively, are investigated ...
Chen, Y.S., Howe, D., Zhu, Z.Q.
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