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

Araz Darba UGent, Frederik De Belie UGent and Jan Melkebeek UGent (2013) 9th IEEE International Conference on Electrical Machines and Drives, Proceedings. p.492-497
abstract
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 predicting the commutation moments. Most of the techniques based on this phenomenon have the inherit disadvantage of an indirect detection of commutation moments. This is the result of the commutation moment occurring 30 electrical degrees after the zero-crossing of the induced back-emf in the unexcited phase. Often, the time difference between the zero crossing of the back-emf and the optimal current commutation is assumed constant. This assumption can be valid for steady-state operation, however a varying time difference should be taken into account during transient operation of the BLDC machine. This uncertainty degrades the performance of the drive during transients and higher speed. In this paper a new method is proposed to overcome this problem which improves the performance while keeping the simplicity of the back-emf zero-crossing detection method. The proposed sensorless method operates parameterless in a way it uses none of the brushless dc-machine parameters.
Please use this url to cite or link to this publication:
author
organization
year
type
conference (proceedingsPaper)
publication status
published
subject
keyword
STARTING METHOD, POSITION SENSOR, MOTOR DRIVE, BLDC MOTORS, VOLTAGE, ROTOR, Permanent-magnet Brushless DC-Machine (BLDC-machine), Back-EMF zero-crossing, Sensorless Control
in
9th IEEE International Conference on Electrical Machines and Drives, Proceedings
pages
492 - 497
publisher
IEEE
conference name
9th IEEE International Conference on Electrical Machines and Drives (IEMDC - 2013)
conference location
Chicago, Illinois, USA
conference start
2013-05-12
conference end
2013-05-15
Web of Science type
Proceedings Paper
Web of Science id
000327094100071
ISBN
9781467349741
language
English
UGent publication?
yes
classification
P1
copyright statement
I have transferred the copyright for this publication to the publisher
id
3305234
handle
http://hdl.handle.net/1854/LU-3305234
date created
2013-06-19 14:45:05
date last changed
2016-12-19 15:37:33
@inproceedings{3305234,
  abstract     = {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 predicting the commutation moments. Most of the techniques based on this phenomenon have the inherit disadvantage of an indirect detection of commutation moments. This is the result of the commutation moment occurring 30 electrical degrees after the zero-crossing of the induced back-emf in the unexcited phase. Often, the time difference between the zero crossing of the back-emf and the optimal current commutation is assumed constant. This assumption can be valid for steady-state operation, however a varying time difference should be taken into account during transient operation of the BLDC machine. This uncertainty degrades the performance of the drive during transients and higher speed. In this paper a new method is proposed to overcome this problem which improves the performance while keeping the simplicity of the back-emf zero-crossing detection method. The proposed sensorless method operates parameterless in a way it uses none of the brushless dc-machine parameters.},
  author       = {Darba, Araz and De Belie, Frederik and Melkebeek, Jan},
  booktitle    = {9th IEEE International Conference on Electrical Machines and Drives, Proceedings},
  isbn         = {9781467349741},
  keyword      = {STARTING METHOD,POSITION SENSOR,MOTOR DRIVE,BLDC MOTORS,VOLTAGE,ROTOR,Permanent-magnet Brushless DC-Machine (BLDC-machine),Back-EMF zero-crossing,Sensorless Control},
  language     = {eng},
  location     = {Chicago, Illinois, USA},
  pages        = {492--497},
  publisher    = {IEEE},
  title        = {Sensorless commutation and speed control of brushless DC-machine drives based on the back-EMF symmetric threshold-tracking},
  year         = {2013},
}

Chicago
Darba, Araz, Frederik De Belie, and Jan Melkebeek. 2013. “Sensorless Commutation and Speed Control of Brushless DC-machine Drives Based on the back-EMF Symmetric Threshold-tracking.” In 9th IEEE International Conference on Electrical Machines and Drives, Proceedings, 492–497. IEEE.
APA
Darba, A., De Belie, F., & Melkebeek, J. (2013). Sensorless commutation and speed control of brushless DC-machine drives based on the back-EMF symmetric threshold-tracking. 9th IEEE International Conference on Electrical Machines and Drives, Proceedings (pp. 492–497). Presented at the 9th IEEE International Conference on Electrical Machines and Drives (IEMDC - 2013), IEEE.
Vancouver
1.
Darba A, De Belie F, Melkebeek J. Sensorless commutation and speed control of brushless DC-machine drives based on the back-EMF symmetric threshold-tracking. 9th IEEE International Conference on Electrical Machines and Drives, Proceedings. IEEE; 2013. p. 492–7.
MLA
Darba, Araz, Frederik De Belie, and Jan Melkebeek. “Sensorless Commutation and Speed Control of Brushless DC-machine Drives Based on the back-EMF Symmetric Threshold-tracking.” 9th IEEE International Conference on Electrical Machines and Drives, Proceedings. IEEE, 2013. 492–497. Print.