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A. Demenko, L. Nowak, W. Szelag
Numerical formulation of motion equation in dynamic finite element analysis of electromechanical converters
D. Ishak, Z.Q. Zhu, D. Howe (2004)
Permanent magnet brushless machines with unequal tooth widths and similar slot and pole numbersConference Record of the 2004 IEEE Industry Applications Conference, 2004. 39th IAS Annual Meeting., 2
D. Stachowiak (2004)
Edge element analysis of brushless motors with inhomogeneously magnetized permanent magnetsCompel-the International Journal for Computation and Mathematics in Electrical and Electronic Engineering, 23
R. Wojciechowski, E. Mendrela, A. Demenko (2009)
Magnetic Field and Torque in Permanent Magnet Slot-Less Brushless Motor with Twin Cylindrical RotorPrzegląd Elektrotechniczny
J.B. Helande, C.S. Hiwarker
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L. Nowak (1999)
Dynamic operation of an electromagnetic actuator taking nonlinearity and eddy currents into accountCompel-the International Journal for Computation and Mathematics in Electrical and Electronic Engineering, 18
Ł. Knypiński, L. Nowak
Field‐circuit simulation of the outer rotor permanent magnet brushless DC motor taking nonlinearity into account
Z. Goryca, A. Pakosz
Sensorless control of the DC brushless motors
Y. Liu, Z.Q. Zhu, D. Howe (2006)
Commutation-Torque-Ripple Minimization in Direct-Torque-Controlled PM Brushless DC DrivesIEEE Transactions on Industry Applications, 43
J. Shao, D. Nolan, Thomas Hopkins (2002)
Improved direct back EMF detection for sensorless brushless DC (BLDC) motor drivesEighteenth Annual IEEE Applied Power Electronics Conference and Exposition, 2003. APEC '03., 1
A. Demenko, J. Sykulski, R. Wojciechowski (2008)
Network Representation of Conducting Regions in 3-D Finite-Element Description of Electrical MachinesIEEE Transactions on Magnetics, 44
N. Samoylenko, Q. Han, J. Jatskevich (2008)
Dynamic Performance of Brushless DC Motors With Unbalanced Hall SensorsIEEE Transactions on Energy Conversion, 23
Ł. Knypiński
The steady‐state and transient FEM analysis of the outer‐rotor permanent magnet brushless DC motor
D. Ishak, Z. Zhu, D. Howe (2004)
Comparative study of permanent magnet brushless motors with all teeth and alternative teeth windings, 2
P. Lindh, H. Jussila, M. Niemela, A. Parviainen, J. Pyrhonen (2009)
Comparison of Concentrated Winding Permanent Magnet Motors With Embedded and Surface-Mounted Rotor MagnetsIEEE Transactions on Magnetics, 45
Purpose – The purpose of this paper is to elaborate a mathematical model of dynamic operation of the permanent magnet brushless DC (BLDC) motor with outer rotor and investigate the influence of magnets width on the dynamic parameters. Design/methodology/approach – The mathematical model of the devices includes: the equation of the electromagnetic field, the electric circuit equations and equation of mechanical motion. In elaborated algorithm, all these equations are coupled – therefore they are solved simultaneously. The numerical implementation is based on finite element method and step‐by‐step algorithm. The non‐linear‐coupled field‐circuit equations have been solved by using the Newton‐Raphson algorithm. The computer code for dynamics simulation of the machine has been developed. Findings – The elaborated algorithm and the computer code have been applied for the 2D simulation of BLDC motor dynamics. The algorithm has a good convergence and its usefulness was proved. Various results of the analysis are presented and discussed. Originality/value – The presented approach and computer code can be successfully applied to the design and optimization of different structure of the BLDC motors.
COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering – Emerald Publishing
Published: May 10, 2011
Keywords: Electric machines; Electromagnetic fields; Finite element analysis; Circuits
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