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Energy-efficient sensorless load angle control of a BLDC motor using sinusoidal currents

Jasper De Viaene (UGent) , Florian Verbelen (UGent) , Stijn Derammelaere (UGent) and Kurt Stockman (UGent)
(2018) IET ELECTRIC POWER APPLICATIONS. 12(9). p.1378-1389
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Abstract
Nowadays, most brushless DC (BLDC) motors use Hall sensors or sensorless algorithms based on back-electromotive force (back-EMF) sensing to detect rotor position information. These methods detect the commutation moments but imply the use of rectangular stator currents which, according to recent literature, limits the energy efficiency. In this study, sinusoidal stator currents are used to increase the motor energy efficiency. As a consequence, standard control based on the feedback of the Hall sensors or based on sensorless techniques detecting the back-EMF zero-crossing cannot be used. Therefore, the authors propose a load angle control algorithm for BLDC motors without using position and speed sensors. The objective is to obtain energy-efficient sensorless control for the BLDC motor based on the measurement of only two current and one voltage signal. The energy saving potential of the proposed method is especially outspoken for fixed speed applications with varying loads, which are typical BLDC applications. Experimental results are presented to validate the proposed method. Energy efficiency measurements over the whole operating range of the BLDC motor are included and show an energy saving potential up to 9.5%.
Keywords
BRUSHLESS DC MOTOR, PERMANENT-MAGNET MOTORS, MINIMUM-TORQUE-RIPPLE, BACK-EMF, HIGH-SPEED, WAVE-FORMS, DRIVES, MACHINES, VOLTAGE, ZERO, electric potential, rotors, position control, sensorless machine, control, brushless DC motors, stators, energy-efficient sensorless load, angle control, BLDC motor, sinusoidal currents, brushless DC motors, Hall sensors, sensorless algorithms, rotor position information, rectangular stator currents, sinusoidal stator currents, motor energy, efficiency, standard control, sensorless techniques, load angle control, algorithm, speed sensors, energy-efficient sensorless control, current, voltage signal, one voltage signal, typical BLDC applications, energy, efficiency measurements, energy saving potential, back-electromotive, force, back-EMF sensing, back-EMF zero-crossing, fixed speed, applications

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Citation

Please use this url to cite or link to this publication:

MLA
De Viaene, Jasper et al. “Energy-efficient Sensorless Load Angle Control of a BLDC Motor Using Sinusoidal Currents.” IET ELECTRIC POWER APPLICATIONS 12.9 (2018): 1378–1389. Print.
APA
De Viaene, J., Verbelen, F., Derammelaere, S., & Stockman, K. (2018). Energy-efficient sensorless load angle control of a BLDC motor using sinusoidal currents. IET ELECTRIC POWER APPLICATIONS, 12(9), 1378–1389.
Chicago author-date
De Viaene, Jasper, Florian Verbelen, Stijn Derammelaere, and Kurt Stockman. 2018. “Energy-efficient Sensorless Load Angle Control of a BLDC Motor Using Sinusoidal Currents.” Iet Electric Power Applications 12 (9): 1378–1389.
Chicago author-date (all authors)
De Viaene, Jasper, Florian Verbelen, Stijn Derammelaere, and Kurt Stockman. 2018. “Energy-efficient Sensorless Load Angle Control of a BLDC Motor Using Sinusoidal Currents.” Iet Electric Power Applications 12 (9): 1378–1389.
Vancouver
1.
De Viaene J, Verbelen F, Derammelaere S, Stockman K. Energy-efficient sensorless load angle control of a BLDC motor using sinusoidal currents. IET ELECTRIC POWER APPLICATIONS. Hertford: Inst Engineering Technology-iet; 2018;12(9):1378–89.
IEEE
[1]
J. De Viaene, F. Verbelen, S. Derammelaere, and K. Stockman, “Energy-efficient sensorless load angle control of a BLDC motor using sinusoidal currents,” IET ELECTRIC POWER APPLICATIONS, vol. 12, no. 9, pp. 1378–1389, 2018.
@article{8583588,
  abstract     = {Nowadays, most brushless DC (BLDC) motors use Hall sensors or sensorless algorithms based on back-electromotive force (back-EMF) sensing to detect rotor position information. These methods detect the commutation moments but imply the use of rectangular stator currents which, according to recent literature, limits the energy efficiency. In this study, sinusoidal stator currents are used to increase the motor energy efficiency. As a consequence, standard control based on the feedback of the Hall sensors or based on sensorless techniques detecting the back-EMF zero-crossing cannot be used. Therefore, the authors propose a load angle control algorithm for BLDC motors without using position and speed sensors. The objective is to obtain energy-efficient sensorless control for the BLDC motor based on the measurement of only two current and one voltage signal. The energy saving potential of the proposed method is especially outspoken for fixed speed applications with varying loads, which are typical BLDC applications. Experimental results are presented to validate the proposed method. Energy efficiency measurements over the whole operating range of the BLDC motor are included and show an energy saving potential up to 9.5%.},
  author       = {De Viaene, Jasper and Verbelen, Florian and Derammelaere, Stijn and Stockman, Kurt},
  issn         = {1751-8660},
  journal      = {IET ELECTRIC POWER APPLICATIONS},
  keywords     = {BRUSHLESS DC MOTOR,PERMANENT-MAGNET MOTORS,MINIMUM-TORQUE-RIPPLE,BACK-EMF,HIGH-SPEED,WAVE-FORMS,DRIVES,MACHINES,VOLTAGE,ZERO,electric potential,rotors,position control,sensorless machine,control,brushless DC motors,stators,energy-efficient sensorless load,angle control,BLDC motor,sinusoidal currents,brushless DC motors,Hall sensors,sensorless algorithms,rotor position information,rectangular stator currents,sinusoidal stator currents,motor energy,efficiency,standard control,sensorless techniques,load angle control,algorithm,speed sensors,energy-efficient sensorless control,current,voltage signal,one voltage signal,typical BLDC applications,energy,efficiency measurements,energy saving potential,back-electromotive,force,back-EMF sensing,back-EMF zero-crossing,fixed speed,applications},
  language     = {eng},
  number       = {9},
  pages        = {1378--1389},
  publisher    = {Inst Engineering Technology-iet},
  title        = {Energy-efficient sensorless load angle control of a BLDC motor using sinusoidal currents},
  url          = {http://dx.doi.org/10.1049/iet-epa.2018.5059},
  volume       = {12},
  year         = {2018},
}

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