As position sensorless control technology can avoid many disadvantages caused by
mechanical position sensors, improve the reliability of the motor, reduce costs and other …

Permanent magnet traction motor has the advantages of high efficiency, high power density,
high torque density and quick dynamic response, which has been widely used in the traction …

This article proposes a global delay compensation method to improve the sensorless control
performance of square-wave voltage injection (SWVI) over low switching frequency …

To improve the stability and accuracy of the estimated position using the conventional
sliding mode observer (CSMO) under low frequency ratio (LFR), this article proposes a …

This article proposes an optimized phase-locked loop (OPLL) based on Levenberg–
Marquardt (LM) to improve the estimation accuracy of the sliding mode observer-based …

This article presents a full-speed sensorless control strategy for permanent magnet
synchronous motors (PMSMs) based on a hybrid modulation strategy. The motor operating …

This article proposes pulse width modulation (PWM) methods for low inductance brushless
dc (BLDC) motor drives that minimize the commutation torque ripples. An uneven current of …

Due to various nonideal factors, including the motor parameter mismatches, detection errors,
converter nonlinearities, noise, etc., dc bias and high-order harmonics exist in the flux …

In rail transit application, the multimode pulsewidth modulation (PWM) is used to take full
advantage of the dc-bus voltage in wide speed range. To improve the sensorless control …

The permanent magnet synchronous motor (PMSM) drives using small-capacity film
capacitors has the advantages of high-power density, low cost, and long service life …