In recent years, the application of sensorless AC motor drives is expanding in areas ranging
from industrial applications to household electrical appliances. As is well known, the …

This article presents an adaptive quadrature phase-locked loop (AQPLL) for improving the
dynamic performance of sensorless high-speed permanent magnet synchronous motors …

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

This paper proposes a standstill method for the identification of the magnetic model of
synchronous reluctance motors (SyRMs). The saturation and cross-saturation effects are …

In this paper, new model-based sensorless control methods are proposed that include
independent estimations of position and speed errors, and compatible position and speed …

This article proposes a straightforward design guideline and analysis of adaptive full-order
observers for rotor position and speed estimation of interior permanent magnet synchronous …

This paper proposes a permanent-magnet (PM) machine position-sensorless drive for high
speed (> 10-kr/min) applications. A discrete-time back electromotive force (EMF) voltage …

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 a compensation method of position estimation error for high-speed
surface-mounted permanent magnet synchronous motors based on robust inductance …

This paper presents a predefined-time convergent robust control algorithm that allows the
control designer to set the convergence time in advance, independently of initial conditions …