Sliding Mode Speed Observer for the Induction Motor Drive with Different Sign Function Approximation Forms and Gain Adaptation

• Autorzy: Tarchała G. , Orłowska-Kowalska T.

Warianty tytułu

PL

Ślizgowy obserwator prędkości dla napędu indukcyjnego z różnymi funkcjami aproksymującymi oraz adaptacją wzmocnienia

• Języki publikacji: EN

Abstrakty

EN

This paper deals with sign function continuous approximation forms influence on the performance of the classical Sliding Mode Observer (SMO). Saturation and sigmoid functions are used to reduce the chattering, introduced due to the sign function usage. The influence of the filter time constant is also being widely considered. Finally, two simple methods of the observer gain adaptation are presented and described. Simulation and experimental tests, obtained using a DSP-based system, are shown to illustrate presented issues.

PL

W artykule opisano wpływ zastosowania ciągłej aproksymacji funkcji znaku na pracę klasycznego ślizgowego obserwatora prędkości. Funkcje nasycenia oraz funkcja sigmoidalna użyte zostały w celu redukcji zjawiska chatteringu, który powstaje na skutek wykorzystania funkcji znaku. Szeroko przebadany został również wpływ stałej czasowej filtru. Zaprezentowane zostały także dwie proste metody adaptacji wzmocnienia obserwatora. Opisywane zagadnienia zostały zilustrowane przy pomocy badań symulacyjnych i eksperymentalnych.

Słowa kluczowe

EN

sliding mode observer; induction motor drive; chattering

PL

obserwator ślizgowy; napęd indukcyjny; chattering

• Wydawca: Wydawnictwo SIGMA-NOT
• Czasopismo: Przegląd Elektrotechniczny
• Rocznik: 2013
• Tom: R. 89, nr 1a
• Strony: 1--6
• Opis fizyczny: Bibliogr. 24 poz., rys., tab.

Twórcy

autor

Tarchała G.

• Politechnika Wrocławska, Instytut Maszyn, Napędów i Pomiarów Elektrycznych

autor

Orłowska-Kowalska T.

• Politechnika Wrocławska, Instytut Maszyn, Napędów i Pomiarów Elektrycznych

Bibliografia

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