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A Universal Gains Selection Method for Speed Observers of Induction Machine

Abstrakt

Properties of state observers depend on proper gains selection. Each method of state estimation may require the implementation of specific techniques of finding those gains. The aim of this study is to propose a universal method of automatic gains selection and perform its verification on an induction machine speed observer. The method utilizes a genetic algorithm with fitness function which is directly based on the impulse response of the observer. System identification using least-squares estimation is implemented to determine the dynamic properties of the observer based on the estimation error signal. The influence of sampling time as well as signal length on the system identification has been studied. The results of gains selection using the proposed method have been compared with results obtained using the approach based on the placement of the poles of linearized estimation error equations. The introduced method delivers results comparable with analytical methods and does not require prior preparation specific to the implemented speed observer, such as linearization.

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach
Opublikowano w:
ENERGIES nr 14,
ISSN: 1996-1073
Język:
angielski
Rok wydania:
2021
Opis bibliograficzny:
Wachowiak D.: A Universal Gains Selection Method for Speed Observers of Induction Machine// ENERGIES -Vol. 14,iss. 20 (2021), s.6790-
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.3390/en14206790
Weryfikacja:
Politechnika Gdańska

wyświetlono 81 razy

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