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 …

Permanent magnet synchronous motor (PMSM) drives are finding expanded use for
industrial and domestic drive applications. With the distinguished characteristics such as …

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

To improve the performance of the surface permanent magnet synchronous motor drives, a
sensorless control scheme based on the sliding-mode observer with an orthogonal phase …

To diminish the harmonic ripple in the rotor position estimation error for sensorless interior
permanent magnet synchronous motor (IPMSM) drives, an adaptive linear neural …

High-frequency (HF) signal injection methods have been widely employed in the sensorless
control of interior permanent magnet synchronous motor (IPMSM) drives from zero to low …

This paper proposes an adaptive proportional-integral-derivative (PID) speed control
scheme for permanent magnet synchronous motor (PMSM) drives. The proposed controller …

This article presents a general-purpose full-speed sensorless control scheme for interior
permanent magnet synchronous motors (IPMSMs). By applying a quadratic extended back …

For permanent-magnet synchronous machines (PMSMs) sensorless control, the widely
employed high-frequency (HF) pulsating carrier signal injection method is based on tracking …

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