Speed Sensorless Control of Induction Motor Based on a Non-Linear Flux and Speed Observer with Parameters Estimation and Considering Iron Loss

• Autorzy: Alemi-Rostami M. , Abrishamifar A.

Warianty tytułu

PL

Sterowanie maszyną indukcyjną z bezczujnikowym pomiarem prędkości obrotowej – nieliniowy obserwator strumienia i prędkości z estymacją parametrów i uwzględnieniem strat w żelazie

• Języki publikacji: EN

Abstrakty

EN

In this paper, a control method is presented for induction motor which offers high efficiency and high dynamics even considering the influences of iron loss. Recently, research to consider the influences of iron loss has been made in the vector control of an induction motor. Vector control method is a quite complex task which demands precise information about the rotor speed and the position of the magnetic flux. The vector control method presented in this paper, estimates both rotor speed and amplitude magnetic flux rotor. However, there are also applications in which even speed sensors should be omitted. In this method, three-phase motor currents and DC link voltage are measured by means of a nonlinear observer and considering the Lyapunov function for current error, motor parameters, rotor shaft and position of flux are estimated. To stabilize the control system, the Lyapunov function for error, is used. Then, using the genetic algorithm, the value of controlling coefficients their and general effects on system's behavior are obtained. The simulation and experimental results confirm the resistant performance and the proper dynamic efficiency of this method.

PL

W artykule przedstawiono algorytm sterowania maszyną indukcyjną, uwzględniający straty w żelazie. Sterowanie opiera się na bezczujnikowym pomiarze prędkości obrotowej, przy pomocy obserwatora. Korzystając z pomiarów prądów fazowych i napięcia DC-link, z funkcji Lyapunov’a wyznaczana jest prędkość i strumień wirnika. Implementacja algorytmu genetycznego pozwoliła na ocenę wpływu współczynników regulacji na odpowiedź układu. Przedstawiono wyniki symulacyjne i eksperymentalne.

Słowa kluczowe

EN

iron loss; direct field-oriented control; speed sensorless control; Lyapunov function

PL

straty w żelazie; sterowanie bezpośrednie polowe; sterowanie bezczujnikowe; funkcja Lapunowa

• Wydawca: Wydawnictwo SIGMA-NOT
• Czasopismo: Przegląd Elektrotechniczny
• Rocznik: 2013
• Tom: R. 89, nr 3a
• Strony: 89--97
• Opis fizyczny: Bibliogr. 23 poz., schem., tab., wykr.

Twórcy

autor

Alemi-Rostami M.

• Iran University of Science and Technology (IUST)

autor

Abrishamifar A.

• Iran University of Science and Technology (IUST)

Bibliografia

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