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Keyword: Brushless DC motor

Sensorless Control and Corrected Error Commutation of the Brushless DC Motor

by Anatoly Stepanov and Vitaly Enin

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 224–229, 2021; DOI: 10.25046/aj060125

Abstract:

This paper presents a simple method for correcting the error of commutation windings for sensorless control of a brushless DC motor with a small inductance. Switching error analysis is performed based on the phase currents of the switched-off and switched-on phases. To correct the commutatiuon signals for the inverter, a speed-independent function is used, calculated…

Improved DTC Control Strategy of B12 Inverter Fed BLDC Motor Drives Considering Commutation Torque Dips

by Rabiaa Mars, Badii Bouzidi, Bassem El Badsi and Abderrazak Yangui

Advances in Science, Technology and Engineering Systems Journal, Volume 3, Issue 5, Page # 427–438, 2018; DOI: 10.25046/aj030549

Abstract:

In most industrial high-power applications, the brushless DC (BLDC) motor is connected to multi-level inverters specially the three-level NPC inverters (B12). Torque ripple is a critical issue in BLDC motor drives. Accordingly, minimizing the ripple produced in the torque is necessary to enhance the BLDC motor drive performances. This paper aims to develop two direct…