Phase-locked loops (PLLs) and frequency-locked loops (FLLs) are of importance in power
and energy applications. Both technologies have been introduced to speed-sensorless …

This article uses the active flux concept to review fundamental frequency sensorless
algorithms for both induction and permanent magnet motors in one framework …

This paper addresses the problem of stator and rotor resistances identification in speed
sensorless induction motor (IM) drives. The IM model that is transformable into the adaptive …

The electromotive force (EMF) observer-based sensorless algorithms are sensitive to
temperature rise because it requires the stator resistance (R s) or the rotor flux linkage (ψ r) …

This paper proposes a robust model reference adaptive system (MRAS) estimator
incorporating online parameter identification algorithm for parallel predictive torque control …

Accurate estimation of electrical parameters of voltage-source-inverter-fed induction
machine (IM) drives is very important while employing high-dynamic-performance control …

The current paper presents a novel predictive voltage control (PVC) for an induction motor
(IM) without using a speed sensor. The proposed PVC is formulated using the model …

This article proposes a fast and robust open-circuit fault diagnosis method without additional
sensors for cascaded H-bridge multilevel converters (CHBMCs). The method is based on …

This article first shows that the advanced high-gain adaptive observer (AO) is able to
estimate both speed and resistances during speed transients. However, it is also found that …

Estimating rotor temperature is essential for precise torque control and over-temperature
warning in induction motors. Therefore, a rotor temperature estimation strategy is proposed …