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 …

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 …

Rotor position is the key information to achieve superior performance for sensorless control
of interior permanent magnet synchronous motor (IPMSM). Nevertheless, the back …

Back–electromotive force estimation-based rotor position estimation methods are usually
adopted for high-speed surface-mounted permanent magnet synchronous machines …

This paper presents an improved saliency-based position sensorless drive of an interior
permanent-magnet synchronous machine (IPMSM) with a single current sensor, used for …

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

The conventional high-frequency (HF) voltage injection method can accurately extract rotor
position for interior permanent magnet synchronous motor (IPMSM) drives at low and zero …

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 …