Please use this identifier to cite or link to this item: https://hdl.handle.net/11499/47677
Title: Design and experimental implementation of DC-DC converter based self-tuning fuzzy PI controller
Other Titles: Kendinden ayarlı bulanık PI denetleyici tabanlı DA-DA dönüştürücü tasarımı ve deneysel uygulaması
Authors: Kaysal, Ahmet
Köroğlu, Selim
Oğuz, Yüksel
Kaysal, Kübra
Keywords: DC-DC power converters
duty cycle
Fuzzy controller
pulse width modulation
Boost converter
Controllers
Pulse width modulation
Tuning
Voltage control
Voltage regulators
Closed loop transfer function
Converter topologies
Dc - dc boost converters
DC/DC power converters
Duty-cycle
Fuzzy controllers
Fuzzy-PI controllers
PI Controller
Pulsewidth modulations (PWM)
Selftuning
Efficiency
Publisher: Gazi Universitesi
Abstract: In this study, self-tuning fuzzy PI (SFPI) controller-based DC-DC boost converter topology is presented. The closed-loop transfer function of the converter was obtained, and its design was performed by examining the small-signal model for stability analysis. The input-output relationship has been verified by black-box modelling. The system's behaviours between 20 kHz and 100 kHz at different switching frequencies were examined. The control of the designed DC-DC converter was first performed with a conventional PI controller. It has been observed that the performance of the voltage regulation against the input voltage and load changes of the system in the PI controller is insufficient. Therefore, SFPI controller is proposed to improve the output voltage regulation of the converter. With the proposed SFPI, the PI controllers were compared with performance criteria such as rise, settlement, and overshoot. According to the results of the analysis, it was observed that the system efficiency was improved by reducing the losses in power conversion by designing the proposed controller and snubber circuits. The nominal voltage of the prototype converter is 48 V, and the power is 100 W; in this case, the measured efficiency is 89.57%. The peak efficiency of the DC-DC converter was 92.9%. Experimental results confirmed the analysis and simulation results of the system. © 2023 Gazi Universitesi Muhendislik-Mimarlik. All rights reserved.
URI: https://doi.org/10.17341/gazimmfd.739775
https://hdl.handle.net/11499/47677
ISSN: 1300-1884
Appears in Collections:Mühendislik Fakültesi Koleksiyonu
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
TR Dizin İndeksli Yayınlar Koleksiyonu / TR Dizin Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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