Permanent-magnet-synchronous-machine (PMSM) drives have been increasingly applied in a variety of industrial applications which require fast dynamic response and accurate control over wide speed ranges. At the basis of analysis of the mathematical model of the permanent-magnet synchronous motor (PMSM) and the principle of field-orientated vector control, a novel method for modeling and simulink...

The paper presents characteristics of a permanent magnet synchronous machine designed for micro-hybrid electric vehicle operation. Appropriate design of interior permanent magnet machine with 36 stator slots and 8 stator poles for operation in motor and generator operation mode was investigated. Finite element analysis is employed in order to determine the machine performance. Streszczenie. W a...

A methodology is proposed for optimal shaping of permanent magnets with non-conventional and complex geometries, used in synchronous motors. The algorithm includes artificial neural network-based surrogate model and multi-objective search based optimization method that will lead to Pareto front solutions. An interior permanent magnet topology with crescent-shaped magnets is also introduced as t...

This paper proposes an electromagnetic equivalent circle (EMEC) model to evaluate and analyze the performance of interior permanent magnet synchronous machine (IPMSM). This model is implemented with Modelica language and it provides magnetic field simulation which is not included in PMSM model from Modelica standard library (MSL). Moreover, this model simulates the variable working states of pe...

Permanent magnet synchronous motors (PMSMs) having high power density and efficiency are rigorously researched in various premium applications. Among PMSMs, many studies have been conducted on interior permanent (IPMSMs) to improve torque ripple, but its accurate estimation is not straightforward. Therefore, a six-pole nine-slot (6p/9s) IPMSM adopted as base model due popularity academia indust...

In this paper particle swarm optimization (PSO) is used for a design optimization of a linear permanent magnet synchronous motor (LPMSM) considering ultra low thrust force ripples, low magnet consumption, improved efficiency and thrust. The influence of PM material is discussed, too and the modular poles are proposed to achieve the best characteristic. PM dimensions and material, air gap and mo...

In the speed control system of an Interior Permanent Magnet Synchronous Motor (IPMSM) without a sensor, PI controllers using only fixed set parameters cannot achieve accurate tracking estimated in wide domain and also suffer from step response overshoot. This paper proposes Compound Variable Structure (CVSPI) controller to improve performance. It can choose whether include integral term accordi...

This paper presents the design and analysis of fractional slot multilayer interior permanent magnet synchronous machines (PMSMs) with concentrated winding for electric vehicles applications. The major advantages of concentrated winding will be analyzed first. The significant design consideration of multilayer interior permanent magnet machines will be illustrated, as well. Finally, the advanced...

Electric power steering systems are a quite common equipment of modern vehicles. They are based on torque controlled electromechanical actuators assisting the driver in moving the steering wheel. These systems must generate low torque fluctuations and mechanical vibrations, while featuring a low cost and a simple and rugged control system. In order to comply with these requirements an electrome...

This paper presents a filterless sensorless control scheme with an optimized time sequence based on high-frequency (HF) square-wave voltage injection for five-phase interior permanent magnet machine (IPMSM) drive. To avoid the utilization of low-pass filters (LPFs) in signal processing, effective method without is proposed this paper. Moreover, cross-coupling magnetic saturation analyzed and on...