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 …

An induction motor is the most frequently used electric machine in high performance drive
applications. Control schemes of such drives require an exact knowledge of at least some of …

In this paper, extended-Kalman-filter-based estimation algorithms that could be used in
combination with the speed-sensorless field-oriented control and direct-torque control of …

Sensorless control of AC motor drives, which takes the advantages of cost saving, higher
reliability, and less hardware, has been developed for several decades. Among the existing …

The paper compares a sliding-mode observer with the standard and extended versions of
the Kalman filter for full state estimation in an induction machine. The design method for the …

This paper proposes a speed sensorless control scheme for permanent magnet
synchronous motor (PMSM) drive using an improved sliding mode observer (SMO). A …

Inaccurate motor parameters can lead to an inefficient motor control. Although several motor
estimation methods have been utilized to estimate motor parameters, it is still challenging to …

An adaptive observer is proposed for concurrent estimation of rotor fluxes, unknown dc-link
voltage, and rotor resistance of induction motor with voltage source inverters. For the …

To comply with the increasing complexity of new mechatronic systems and stricter safety
regulations, advanced estimation algorithms are currently undergoing a transformation …

A simple observer design technique with parameter adaptation is proposed for bounded-
input bounded-output nonlinear systems. In this technique, no feedback is used in the …