Kayan tipli denetim ve PI kontrol tekniklerinin Düşüren-Yükselten dönüştürücü için karşılaştırılması

Yıl 2024, Cilt: 13 Sayı: 4, 1435 - 1442, 15.10.2024

Salah Hilo Mohammed Al-attwani , Mustafa Teke , Enes Bektaş , Ethar Sulaiman Yaseen Yaseen , Yasin Bektaş , Zafer Civelek

https://doi.org/10.28948/ngumuh.1459414

Öz

Bu makalede, farklı voltaj ve yük koşulları altında Kayan Tipli Denetim Kontrol (SMC) ve Oransal-İntegral (PI) kontrolörün performansı karşılaştırmaktadır. Çalışmanın bulguları, sistem tasarımlarındaki yük değişimlerini hesaba katarak ve seçilen kontrolör tipine bakılmaksızın sürekli olarak sistem optimizasyonu arama ihtiyacının altını çizmektedir. PI kontrolörü belirli koşullar altında etkinlik göstermektedir. Ancak, ani yük değişimleri sırasında gerilim ve akımda önemli düşüşler elde edilebilmektedir. Öte yandan SMC, geçici voltaj geçişlerini ve yük değişimlerini herhangi bir elektriksel bozulma olmadan verimli bir şekilde yönetmektedir. Böylece sistem kararlılığını koruyarak SMC daha üstün uyarlanabilirlik sağlamaktadır. Karşılaştırmalı analiz ayrıca SMC'nin üstün zaman tepkisini ve referans voltajı değişikliklerine karşı etkinliğini göstermektedir. Sonuç olarak, SMC'nin, sık gerilim ve yük değişimlerinin yaşandığı sistemlerde PI denetleyiciye göre daha çok tercih edilebilir olduğu kanıtlanmıştır. Ancak her iki kontrol yöntemi de etkili sistem cevabı ve kararlılığını yakalayabilecek seviyede performans göstermiştir.

Anahtar Kelimeler

Düşüren-Yükselten dönüştürücü, Güç dönüşümü, PI kontrol, Kayan tipli denetim kontrol

The comparison study of PI and Sliding Mode control techniques for Buck-Boost converters

Öz

This paper compares the performance of a Sliding Mode Control (SMC) and Proportional-Integral (PI) controller under different voltage and load conditions. The study's findings underscore the need to account for load variations in system designs and to continuously seek system optimization irrespective of the controller type chosen. PI controller demonstrates effectiveness under certain circumstances. However, significant drops in voltage and current during abrupt load changes are obtained. On the other hand, SMC enables superior adaptability, efficiently managing voltage transients and load variations without any electrical disturbances, thereby maintaining system stability. A comparative analysis further emphasizes the SMC's superior time response and robustness against reference voltage changes. Consequently, SMC is proven to be a preferable choice over the PI controller in systems experiencing frequent voltage and load variations. However, both controllers achieve the potential for further response time optimization and stability.

Anahtar Kelimeler

Buck-Boost converter, Power conversion, PI control, Sliding Mode control

Kaynakça

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