Position estimation for PMSM drive equipped with the motor choke

نویسنده

  • Konrad URBANSKI
چکیده

The paper presents results of studies on the sensorless drive with permanent magnet synchronous motor (PMSM) supplied through the motor choke. The position is estimated using a modified Luenberger observer. Its modification consists in using a PII correction function instead a proportional one, which gives smaller estimation errors. The advantages of that observer structure are simple structure and the good performance of the drive despite the fact that the presence of the choke was not taken into account in the observer structure Streszczenie. W artykule przedstawiono wyniki badań napędu bezczujnikowego z silnikiem synchronicznym o magnesach trwałych zasilanego poprzez dławik silnikowy. Wykorzystano zmodyfikowany obserwator Luenbergera. Modyfikacja polega na rozbudowie funkcji korekcji o dodatkowe integratory – co wpływa m.in. na zmniejszenie błędu odtwarzania położenia. Istotną cechą takiego obserwatora jest możliwość pracy napędu bez uwzględnienia w strukturze obserwatora obecności dławika w torze zasilania. (Odtwarzanie położenia w napędzie z PMSM zasilanego poprzez dławik silnikowy).

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تاریخ انتشار 2013