Design of discrete time controllers for the DC-DC boost converter

Yıl 2016, Cilt: 20 Sayı: 1, 75 - 82, 01.04.2016

Mohammed Alkrunz , Irfan Yazıcı

https://doi.org/10.16984/saufenbilder.26003

Cited By: 6

Öz

In this paper, a small signal model for the boost converter is obtained. Two digital controllers using pole placement technique and Linear Quadratic Optimal Regulator (LQR) methods are designed and applied to the boost converter. The compensated system’s operations and analysis are discussed and verified through MATLAB/Simulink simulation. Comparison between the two controllers related to the design methodology, implementation issues and transient measured performance is carried out.

Anahtar Kelimeler

Boost Converter, Small Signal Model, pole placement, LQR.

Yükseltici Tip DC-DC Dönüştücüler İçin Ayrık-Zaman Köntrolör Tasarımı

Öz

Bu çalışmada, Yükseltici tip DC-DC dönüştürücünün ortalama durum-uzay tekniğine dayalı küçük-sinyal modeli elde edilmiştir. İki Ayrık-zaman kontrolör, kutup yerleştirme ve doğrusal optimal kuadratik regülatör yaklaşımları kullanılarak tasarlanmış ve yükseltici dönüştürücüne uygulanmıştır. Kontrolcülü yükseltici dönüştürücünün performansı MATLAB/SIMULINK ortamında yapılan similasyon çalışmaları ile incelenmiş ve doğrulanmıştır. Tasarlanan kontrolör türleri tasarım metodolojisi, uygulama problemleri ve performans açısından karşılaştırılmıştır. Tasarlanan kontrol yöntemlerinin birbirine yakın bir performansa sahip olduğu gözlemlenmiştir. Yükseltici tip DCDC dönüştürücüler için sürekli-hal ve dinamik karakteristik açısından uygun bir performansa sahip kontrolör tasarımı amaçlanmıştır.

Anahtar Kelimeler

Yükseltici tip DC-DC dönüştürücüler, Küçük-İşaret Modeli, Kutup Yerleştirme, LQR.

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