Sensorless commutation and speed control of Brushless DC-machine drives based on the back-EMF symmetric threshold-tracking

@article{Darba2013SensorlessCA,
  title={Sensorless commutation and speed control of Brushless DC-machine drives based on the back-EMF symmetric threshold-tracking},
  author={Araz Darba and F.M.L. De Belie and Jan A. Melkebeek},
  journal={2013 International Electric Machines & Drives Conference},
  year={2013},
  pages={492-497}
}
The operation of Brushless DC permanent-magnet machines requires information of the rotor position to steer the semiconductor switches of the power-supply module which is commonly referred to as Brushless Commutation. Different sensorless techniques have been proposed to estimate the rotor position using current and voltage measurements of the machine. Detection of the back-electromotive force (EMF) zero-crossing moments is one of the methods most used to achieve sensorless control by… CONTINUE READING

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