Azaltan ve Yükselten DA-DA Dönüştürücüleri için Tek Çevrim Denetleyici Tasarımı

Year 2019, Volume: 7 Issue: 1, 757 - 768, 31.01.2019

Fatih Evran

https://doi.org/10.29130/dubited.442804

Abstract

Bu çalışmada, Azaltan ve Yükselten da-da dönüştürücüleri için sabit bir anahtarlama frekansında çalışan Tek
Çevrim denetim yöntemi sunulmaktadır. Önerilen denetleyici, doğrusal olmayan denetim türündedir ve her
anahtarlama periyodunda anahtarlanan değişkenin ortalama değerini, referans işaretine eşit veya referans
işaretiyle orantılı olmasını sağlamak için anahtarın doluluk oranını ayarlamaktadır. Bu denetim yönteminde,
denetim referansı ile anahtarlanan değişkenin ortalama değeri arasında sabit bir hata veya dinamik hata olmadığı
için sürekli durum hatası sıfırdır, aşma yoktur ve geçici cevap hızlıdır. Yük ve kaynak geriliminde görülen ani
değişikler altında, önerilen denetleyicinin geçerliği PSIM benzetim programı ile doğrulanmıştır.

Keywords

Tek Çevrim denetleyici, Azaltan da-da dönüştürücü, Yükselten da-da dönüştürücü, Doğrusal olmayan denetim, Da-da dönüştürücü, Yükselten da-da dönüştürücü

One Cycle Controller Design for Buck and Boost DC-DC Converters

Abstract

In this study, one cycle control method with constant switching frequency is presented for Buck and Boost dc-dc
converters. The proposed controller is a nonlinear control type and adjusts duty ratio of switch to ensure that the
average value of the switched variable is equal to the reference signal or proportional to the reference signal in
each switching period. In this control method, because there is no fixed error or dynamic error between the
control reference and the mean value of the switched variable, the continuous state error is zero, there is no
overshoot, and the transient response is fast. Under sudden changes in load and source voltage, the validation of
the proposed controller is verified by the PSIM simulation program.

Keywords

One Cycle Controller, Non-linear control, dc-dc Converter, Buck dc-dc Converter, Boost dc-dc Converter

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