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A new control scheme based on the Kalman filter and the linear quadratic regulator (LQR) is proposed to improve the performance of power quality conditioning devices. Grid perturbations such as load variations, frequency deviation, voltage distortion, line impedance, unbalance, and measurement noise are taken into account. A new model of the plant is developed that allows the use of the LQR controller...
Permanent magnet synchronous motors (PMSM) are attractive candidates in various applications because of their high efficiency, high power density, and high position resolution. In some special applications such as military and aerospace, the torque ripple percentage from PMSM has to be maintained in an acceptable level. This objective drives motivations of either optimum design of electrical machines...
Estimation of optimum switching angles for multilevel converters so as to produce the required fundamental voltage while at the same time eliminate specified lower order harmonics through Artificial Neural Networks (ANNs) is presented. The proposed technique uses the best performance solutions (lowest THD solutions) as the training data set for proposed ANN system. This technique can be applied to...
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