Inverter nonlinearity and nonsinusoidal back electromagnetic forces (EMFs) can cause large
current harmonics in permanent magnet synchronous machine (PMSM) drives, especially …

In this paper, an online method to calculate the optimum dc bus voltage for motors and
inverters with variable dc bus voltages is proposed. The required dc bus voltage in the low …

In conventional rotating carrier signal injection-based sensorless method, a positive-
sequence carrier current has no use, and only the negative-sequence carrier current is used …

Although the inverter nonlinearity is caused by several different factors, the deadtime and
parasitic capacitance effects are major contributors to the carrier signal distortion in carrier …

A proposed voltage error correction method that uses a disturbance observer for various
types of induction motor control was evaluated. The features of the proposed control method …

In this paper, an online method to calculate the optimum DC bus voltage in variable DC bus
voltage drive system is proposed. The required DC bus voltage in the low speed region is …

This paper aims at compensating the dead-time effects in the vector controlled permanent
magnet synchronous motor (PMSM) system. An improved strategy based on invalid …

This thesis is focused on the carrier signal injection based sensorless control of Permanent
Magnet (PM) Brushless AC (BLAC) machines. Based on the machine saliency property …

The output voltage of an inverter is distorted due to non-ideal characteristics of the power
switches. In most of the applications, output voltage distortion causes serious problems such …

This paper presents the development and implementation of an online voltage disturbance
estimator to achieve the precise torque control of interior permanent magnet synchronous …