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Two-degree switched reluctance motor (SRM) can be selected to drive this motion system, such as boring mill, drill press and carving machine. To realize a precise position tracking for concentrated photovoltaic (CPV) power generation system, the paper presents an optimized rotary-linear motor based on switched reluctance principle. The structure of the motor for the power generation system is also...
Based on the requirements of electric vehicles on electric motor drives, this paper presents three criteria to evaluate motoring operation of in-wheel switched reluctance motor drives for electric vehicles. They are the average torque, the average torque per rms current, and torque smoothness factor. They indicate the motoring torque, copper loss and torque ripple, respectively. The model of motoring...
In this study, six kinds of the drivetrain systems of electric motor drives for EVs are discussed. Furthermore, the requirements of EVs on electric motor drives are presented. The comparative investigation on the efficiency, weight, cost, cooling, maximum speed, and fault-tolerance, safety, and reliability is carried out for switched reluctance motor, induction motor, permanent magnet blushless DC...
Three criteria are proposed to evaluate braking operation of switched reluctance motor drives for electric vehicles. They are the average torque, the average torque per average excitation power and the average torque per phase rms current. They imply the braking torque, the efficiency of braking operation and the copper loss. Thus, the effects of the turn-off and turn-on angles on these criteria are...
Generic algorithm is used to optimize the turn-on angle and overlap angle and the torque ripple factor is selected as the fitness function. Four types of torque sharing functions for switched reluctance motor drives are evaluated by using the torque ripple factor. The investigation shows that the cubic torque sharing function is the prime choice in consideration of the minimum torque ripple, the simplicity...
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