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Energy and environmental considerations, new paradigms for urban mobility and transportation increased in the past few years the interest on Light Electric Vehicle (LEV). In that context, Electrically Power Assisted Cycles (EPACs) received a great attention: several efforts have been made in order to improve their performance in terms of autonomy, weight, esthetic and feeling with the driver. In this...
Brushless Permanent Magnet DC (BLDC) motor is frequently used in the drive-train component of the electric vehicles because it has the advantages of high power density and high efficiency. The BLDC motor, owing to their restrictive field weakening range, is not easy to design for vehicle application. Therefore, this paper proposes the procedure of the parameter determination of BLDC motor for electric...
An axial-flux permanent-magnet brushless motor is designed with variable stator alignment of independent stators, thus allowing field weakening via a controllable and variable generated-voltage constant. This feature is particularly valuable in vehicle traction motors with large constant-power speed ratio, where there is also a strong desire to eliminate the need for gear changes and keep the overall...
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