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 …

With ever‐increasing concerns on energy crisis and environmental protection, there is a fast‐
growing interest in wind power generation systems. As electric machines and drives are …

This article proposes a novel sensorless control strategy for permanent magnet synchronous
motor drives using reduced order quasi resonant-based extended state observer (ROQR …

The fixed-frequency signal is employed in conventional high-frequency (HF) signal injection-
based sensorless control schemes for interior permanent magnet synchronous motor …

Conventional back electromotive force (EMF) estimation based active flux concept for
sensorless control has various limitations due to pure integrator problems and performance …

Rotor position and speed estimation methods are consolidated to reduce the cost and
volume of permanent magnet synchronous motor (PMSM) sensorless control drives while …

Accurate flux estimation is essential for the implementation of a high-performance ac motor
drive. However, it still faces some problems, which can better be projected by analyzing …

In this article, a sensorless control method for medium-and high-speed operation is
proposed for a current source converter (CSC)-fed permanent magnet synchronous …

The sensorless drive method of the permanent magnet synchronous motor (PMSM) has
attracted wide attention for its low cost and high reliability. As a critical technology, a fast and …

Conventional model-based sensorless surface-mounted permanent magnet synchronous
motor (SPMSM) drivers suffer deteriorated performance in transient-state operation such as …