High-frequency excitation sensorless control methods measure the response of the machine
to some form of high-frequency excitation from which the rotor position is estimated. The …

Adjustable-speed electric motor/generator drives (ASDs) are used to save electric energy
and increase productivity in variable-output work processes of all new and well-established …

Parameter identification plays an important role in speed estimation schemes. This paper
presents a speed estimation scheme based on second-order sliding-mode supertwisting …

The rotor position of an interior permanent-magnet synchronous machine (IPMSM) can be
estimated without a position sensor by signal injection sensorless control at standstill and/or …

Rotor position estimated with high-frequency (HF) voltage injection methods can be
distorted by voltage errors due to inverter nonlinearities, motor resistance, and rotational …

The changes in the market of motor drives over the last few years, especially the wish to
complete the portfolio toward the satisfaction of most of the customer needs, have brought a …

This paper proposes a motion-sensorless control system using direct torque control with
space vector modulation for interior permanent magnet synchronous motor (IPMSM) drives …

This paper proposes an implementation of a motion-sensorless control system in wide
speed range based on" active flux" observer, and direct torque and flux control with space …

In this paper, a novel pulsating carrier signal injection strategy utilizing zero-sequence
voltage is proposed for sensorless control of permanent-magnet synchronous machine …

In this paper, the rotor position estimation accuracy of rotating carrier signal injection utilizing
zero-sequence carrier voltage method for dual three-phase (DTP) permanent-magnet …