Parazitik Elemanların DC-DC Buck Dönüştürücünün PID Kontrolüne Etkisinin İncelenmesi

Year 2024, , 696 - 708, 29.04.2024

Mustafa İnci , Yusuf Altun

https://doi.org/10.29130/dubited.1454306

Abstract

DC-DC dönüştürücü devreleri Elektrikli Araçlar gibi birçok elektronik cihazda gerilimi belirli düzeye ayarlamak için kullanılmaktadır. DC-DC dönüştürücülerin yaygın kullanılan türü olan Buck DC-DC dönüştürücüler giriş gerilimini düşürerek çıkış gerilimini istenen bir referans gerilim değerinde sabit tutar. Bu çalışmada, Buck DC-DC dönüştürücülerdeki parazitik elemanların PID kontrolcüler üzerindeki etkisi incelenmiştir. Parazitik elemanlar Buck dönüştürücü sistem modeli üzerinde lineer olmayan etkiye neden olmaktadır. Literatürde yapılan çalışmalar genellikle parazitik elemanlar olmaksızın Buck dönüştürücü modeli üzerinde kontrolcüler tasarlanarak çıkış gerilimi kontrol edilmektedir. Alternatif olarak, parazitik elemanların etkisi de dikkate alınan model doğrusallaştırılarak lineer kontrolcüler tasarlanmaktadır. Bunlara ek olarak, parazitik elemanların etkisiyle birlikte tam model üzerinde lineer olmayan kontrolcüler tasarlanmaktadır. Bu çalışmada ise parazitik elemanların özellikle PID gibi lineer kontrolcü üzerindeki etkisi incelenmiştir.

Keywords

: DC-DC dönüştürücü, Buck dönüştürücü, Parazit elemanlar, PID kontrolör

Investigation on the Effect of Parasitic Elements on PID Control of DC-DC Buck Converter

Abstract

DC-DC converter circuits are used in many electronic devices to adjust the voltage to a certain level such as Electric Vehicle. DC-DC Buck converters, which are the most used type of DC-DC converters, reduce the input voltage and keep the output voltage constant at a desired reference voltage value. In this study, the effect of parasitic elements in Buck DC-DC converters is examined on the PID controllers. Parasitic elements cause a non-linear effect on the Buck converter system model. Studies in the literature generally control the output voltage by designing controllers on the Buck converter model without parasitic elements. Alternatively, linear controllers such as PID are designed according to the linearizing model, taking into account the effect of parasitic elements. In addition, nonlinear controllers are designed on the full model with the effect of parasitic elements. In this study, the effect of parasitic elements on linear controllers, especially PID, is examined.

Keywords

DC-DC converter, Buck converter, Parasitic elements, PID controller

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