Yazar "Çalgan, Haris" için listeleme
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Chaos-based engineering applications with a 3D chaotic system without equilibrium points
Akgül, Akif; Çalgan, Haris; Koyuncu, İsmail; Pehlivan, Ihsan; İstanbullu, Ayhan (Springer, 2016)There has recently been an increase in the number of new chaotic system designs and chaos-based engineering applications. In this study, since homoclinic and heteroclinic orbits did not exist and analyses like Shilnikov ... -
Çift beslemeli asenkron generatörün PI ve adaptif kayan kip güç kontrolü
Çalgan, Haris (Balıkesir Üniversitesi Fen Bilimleri Enstitüsü, 2016)Değişken hızlı generatör çeşitlerinden biri olan çift beslemeli asenkron generatör (ÇBAG), zamanla azalan dönüştürücü maliyetleri, farklı rüzgâr hızlarında çalışabilme, birim güç faktörü kontrolü gibi avantajlarından dolayı ... -
Design and implementation of fault tolerant fractional order controllers for the output power of self-excited induction generator
Çalgan, Haris; Demirtaş, Metin (Springer, 2021)In this paper, a static volt-ampere-reactive compensator (SVC) composed of fxed capacitor-thyristor controlled reactor (FCTCR) is employed to regulate the terminal voltage of self-excited induction generator (SEIG) in the ... -
Design of induction motor speed observer based on long short-term memory
İlten, Erdem; Çalgan, Haris; Demirtaş, Metin (Springer London Ltd, 2022)This paper presents a machine learning regression algorithm based on speed estimation for sensorless control of an induction motor. Long short-term memory (LSTM) based on deep learning method is used to design the induction ... -
Fault tolerant sliding mode controller design subject to sensor faults for output voltage regulation of a self-excited induction generator
Çalgan, Haris; Demirtaş, Metin (Taylor & Francis, 2021)This paper aims to improve the performance of the output voltage regulation of the Self-Excited Induction Generator (SEIG) with fixed capacitor-thyristor controlled reactor (FC-TCR) structure in case of sensor faults. A ... -
Fractional-Order sliding mode control of a 4D memristive chaotic system
Gökyıldırım, Abdullah; Çalgan, Haris; Demirtaş, Metin (Sage Publications Ltd, 2023)Chaotic systems depict complex dynamics, thanks to their nonlinear behaviors. With recent studies on fractional-order nonlinear systems, it is deduced that fractional-order analysis of a chaotic system enriches its dynamic ... -
Gerilim sensör arızası durumunda kendinden uyartımlı asenkron generatör için hata toleranslı gürbüz kontrolör tasarımı
Çalgan, Haris (Balıkesir Üniversitesi Fen Bilimleri Enstitüsü, 2020)Kendinden Uyartımlı Asenkron Generatör (KUAG) içeren rüzgar türbin sisteminin en önemli dezavantajı çıkış geriliminin ve frekansının uyartım kondansatörüne, generatör hızına ve yük miktarına bağlı olmasıdır. Bu tez ... -
A novel five-term 3D chaotic system with cubic nonlinearity and its microcontroller-based secure communication implementation
Gökyıldırım, Abdullah; Kocamaz, Uğur Erkin; Uyaroğlu, Yılmaz; Çalgan, Haris (Elsevier GMBH, 2022)Data security has gained importance over the years. Thus, cryptology is becoming a more popular phenomenon. In cryptology applications, a chaotic system with third- or higher-order terms is more difficult to decrypt. ... -
A novel memristive chaotic jerk circuit and its microcontroller-based sliding mode control
Yeşil, Abdullah; Gökyıldırım, Abdullah; Babacan, Yunus; Çalgan, Haris (SAGE Publications Inc., 2024)Due to the experimental realization of memristor circuit elements, research on memristors and memristor-based circuits has surged. Because of their nonvolatile and nonlinear behavior, memristors can be easily applied to ... -
Novel tilt integral sliding mode controller and observer design for sensorless speed control of a permanent magnet synchronous motor
Çalgan, Haris (Emerald Group Publishing Ltd., 2021)Purpose This study aims to design and implement a novel tilt integral sliding mode controller and observer for sensorless speed control of a permanent magnet synchronous motor (PMSM). Design/methodology/approach A control ... -
Optimal C-type filter design for wireless power transfer system by using support vector machines
Çalgan, Haris (2023)The rapid increase in the number of Electrical Vehicles (EVs) will bring difficulties in the management of charging process and pose serious grid problems at low voltage levels. Particularly, with employment of wireless ... -
Paralel aktif güç filtresi için bulanık uyarlamalı kesirli PI denetleyici tasarımı
Gündüz, Hakan; Demirtaş, Metin; İlten, Erdem; Çalgan, Haris (Düzce Üniversitesi, 2020)Doğrusal olmayan yükleri besleyen şebekelerden istenmeyen harmonikli akımlar çekilmektedir ve bu da enerji kalitesini düşürmektedir. Şebekeden çekilen bu harmoniklerin azaltılması için farklı yapılarda pasif ve aktif ... -
Parametric fractional-order analysis of Arneodo chaotic system and microcontroller-based secure communication implementation
Gökyıldırım, Abdullah; Akgül, Akif; Çalgan, Haris; Demirtaş, Metin (Elsevier, 2023)Indexed keywords SciVal Topics Metrics Abstract Chaotic systems are often used in cryptology applications thanks to their complex dynamic structures. By increasing the dynamic diversity of chaotic systems through ... -
Pareto-based multi-objective optimization for fractional order speed control of ınduction motor by using elman neural network
Demirtaş, Metin; İlten, Erdem; Çalgan, Haris (Springer Heidelberg, 2019)This paper presents Pareto-based multi-objective optimization for speed control of induction motor with fractional order proportional integral (FOPI λ) controller. The aim of this study is to find optimum values of tuning ... -
A robust LQR-(FOPID mu)-D-lambda controller design for output voltage regulation of stand-alone self-excited induction generato
Çalgan, Haris; Demirtaş, Metin (Elsevier, 2021)This paper presents several optimal controllers compared with a robust control method for the terminal voltage regulation of a stand-alone self-excited induction generator (SEIG) with fixed capacitor and thyristor controlled ... -
Secure encryption of biomedical ımages based on arneodo chaotic system with the lowest fractional-order value
Emin, Berkay; Akgül, Akif; Horasan, Fahrettin; Gökyıldırım, Abdullah; Çalgan, Haris; Volos, Christos (Multidisciplinary Digital Publishing Institute (MDPI), 2024)Fractional-order (FO) chaotic systems exhibit richer and more complex dynamic behaviors compared to integer-order ones. This inherent richness and complexity enhance the security of FO chaotic systems against various attacks ... -
Small-signal modeling and robust multi-loop PID and H-infinity controllers synthesis for a self-excited induction generator
Demirtaş, Metin; Çalgan, Haris; Amieur, Toufik; Sedraoui, Moussa (Elsevier Science SA, 2021)This paper presents modeling and designing of robust multi-loop controllers for the terminal voltage and stator frequency regulations of three-phase self-excited induction generator (SEIG) driven by a prime mover. The lack ... -
Thyristor controlled reactor-based voltage and frequency regulation of a three-phase self-excited induction generator feeding unbalanced load
Çalgan, Haris; İlten, Erdem; Demirtaş, Metin (Wiley, 2020)A self-excited induction generator (SEIG) is one of the cost-effective ways for power generation in remote areas. Unlike common wind energy systems, SEIG needs an excitation capacitor bank to meet the reactive power demand. ...
