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

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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