To improve the dynamic performances of the permanent magnet synchronous motor (PMSM) drive, a novel implementation of speed controller based on adaptive fuzzy logic is presented in this paper. Using the output of the fuzzy speed controller (FC), the quadrature axis current reference value can be obtained. At the same time, the outputs of the current controller can be corrected by the disturbanc...

This paper presents a new three-phase five-level inverter for direct torque control (DTC) drives application. The advantages of the inverter are reduced output harmonics, switching losses and number of power switches. The multilevel PWM modulation method as well as output voltage analysis based on symmetrical sampling are presented. The proposed inverter is compared with the conventional invert...

This paper presents an approach to rapid prototyping of control algorithms for electric motors with dSpace real-time simulation platform. dSpace board DS1103 is connected to Freescale 3-Phase BLDC/PMSM Low-Voltage Motor Control Drive providing sufficient power output to the electric motor. Control action is performed by pulse width modulated (PWM) signals generated in dSpace board using Simulin...

The use of permanent magnet synchronous motor (PMSM) is increasing rapidly to meet the need increase efficiency in variable speed drive systems used industry, recent years. This paper aims improve control performance PMSM based systems. To achieve this, a controller designed on conformable fractional order proportional integral (CFOPI) method. CFOPI coefficients kp, ki and γ are optimized using...

The paper presents results of studies on the position estimation for the permanent magnet synchronous motor (PMSM) drive using gain scheduling technique for tuning the observer’s parameters. It allows a good estimation accuracy in wide range of working point change. Such observer with multi integral correction function improves the performance, but need to modify its parameters according to its...