Uyarlamalı genişletilmiş Kalman filtresi-tabanlı sabit anahtarlama frekanslı hız-algılayıcısız doğrudan moment kontrollü sürücü sisteminin tasarımı

Öz

Bu çalışmada, hız-algılayıcısızasenkron motor (ASM) kontrolü için uyarlamalı genişletilmiş Kalman filtresi (UGKF) tabanlı sabit anahtarlama frekanslı doğrudan moment kontrollü (SAF-DMK’lı) sürücü sisteminin tasarımı gerçekleştirilmektedir. Stator akısı tabanlı ASM modelini kullanan UGKF ile GKF’lerin kestirim başarımını doğrudan etkileyen ve geleneksel GKF’lerde sabit olarak kabul edilen sistem gürültüsü kovaryans matrisi çalışma koşullarına göre çevrimiçi olarak güncellenmektedir. UGKF’nin geleneksel DMK’lı sürücü yerine, SAF-DMK’lı sürücüye dahil edilmesinin nedeni geleneksel DMK kontrolündeki moment dalgalanmalarının ve değişken anahtarlama frekansından kaynaklanan anahtarlama kayıplarının azaltılmasıdır. SAF-DMK’lı sürücünün ihtiyaç duyduğu stator akısının stator duran eksen takımı bileşenlerine ve rotor mekanik açısal hızına ek olarak, stator akımının stator duran eksen takımı bileşenleri ve yük momenti önerilen UGKF tabanlı gözlemleyici ile kestirilmektedir. Yük momenti kestirimi ile önerilen hız-algılayıcısız sürücü sisteminin bozucu yük momenti değişimlerine karşı dayanıklı olması sağlanmaktadır. Son olarak, önerilen UGKF-tabanlı hız-algılayıcısız SAF-DMK’lı sürücü sistemi benzetim çalışmaları altında doğrulanmaktadır.

Anahtar Kelimeler

• Asenkron motor
• Uyarlamalı genişletilmiş Kalman filtresi
• Sabit anahtarlama frekanslı doğrudan moment kontrolü

Kaynakça

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