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EN
In this paper, a study of sensorless field oriented control applied to surface-mount permanent-magnet synchronous motor is presented, the motor has been described in a stationary two-axes reference frame (α,β), to overcome the uncertainties the internal, measurement noises, the non zero initial rotor position and the dynamic nonlinearity of PMSM, the extended kalman filter (EKF) is used as a robust observer. The speed and rotor position estimation of PMSM drive are obtained through an EKF algorithm, by simply measurement of the stator line voltages and currents. Good state estimation with EKF observer is proved by the simulation results.
PL
Artykuł poświęcony jest bezczujnikowemu sterowaniu silnikiem synchronicznym z magnesami trwałymi. Jako odporny obserwator jest użyty filtr Kalmana. Prędkość I pozycja wirnika są określane na podstawie algorytmu filtru przez pomiar napięcia I prądu stojanas.
2
Content available remote Behavior Modeling and Simulation of Double Wheeled Electric Vehicle Drive
EN
The principle of the electric vehicle is very simple: instead of an internal combustion engine with fuel stored in a tank and whose power is transmitted to the wheels through a gearbox, electric vehicle (EV) is powered by a traction system consisting of a central or two-wheel drive supplied by batteries, whose speed is controlled by an electronic control device. The propulsion system considered in this work is two driving wheels. It consists of two permanent magnet DC motors (PMDCM) directly coupled to the rear wheels of the vehicle forming a motor-wheel (driving wheel). Each motor-wheel is supplied by a static converter which is powered by batteries. The two sub systems (source-converter-motor) are coupled to an electronic differential in order to compensate the tendencies of direction of the vehicle and maintain a steady speed by adjusting the difference in speed of each motor-wheel according to the direction in the case of a turn.
PL
W pojazdach elektrycznych stosuje się niekiedy system podwójnego napędu z elektronicznym sterowaniem. System składa się z dwóch silników prądu stałego bezpośrednio dołączonych do tylnych kół. (Modelowanie właściwości i symulacja pojazdu elektrycznego z napędem na oba koła)
3
EN
A century ago, steam engines, petroleum and power were competing to replace animal power. Whenever it was possible to feed continuously by an external source, moving vehicles, therefore, reserved lanes or shared, is electricity that has prevailed: subway, train, tram, trolley bus. For other autonomous vehicles that require a power source on board, fossil fuels and internal combustion engines have taken almost the entire market for obvious reasons of autonomy but not in the medical field.
PL
W artykule analizowano silnik prądu stałego w zastosowaniach napędowych. Zaproponowano metody zabezpieczeń i sterowania tym silnikiem.
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