الفهرس 
Optimization of brushless DC motor drive performance
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Abstract
The high spread of the brushless DC (BLDC) motor and its unique properties makes it a good competitor to the induction motor and the DC motor in many applications. The BLDC motor is outperforming in many aspects but it loses in driving critical load applications due to its torque ripple. Nowadays, the torque ripple minimization represents one of the main research points. Some researchers produced different motor design techniques to overcome the torque ripples and others produced control algorithms to overcome these ripples. However these new control algorithms are complicated and require many sensors, thus the complexity and cost of the system increase. A simple, torque ripple minimization, high speed bandwidth and low cost drive are the main scope of this thesis. This is achieved by studying the different driver{u2019}s techniques and different converters that feed the BLDC motor. Analytical analysis and simulation for a novel switching technique is presented.