Browsing by Author "3"
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Runtime verification of Iot systems using complex event processing
İnçki, Koray; Arı, İsmail; Sözer, Hasan (IEEE, 2017)Internet of Things (IoT) is a new computing paradigm that is proliferated by wide adoption of application level protocols such as MQTT and CoAP, each of which defines different styles of sequential interaction of events. ... -
Segregated modeling of continuous heat treatment furnaces
Yıldız, Ersin; Başol, Altuğ Melik; Mengüç, Mustafa Pınar (Elsevier, 2020-07)Heat treatment processes have a major impact on the mechanical and structural properties of the end products. Accurate control of the material temperatures during the heating and cooling regimes is very crucial for the ... -
Self-cleaning ability quantization of textiles with degussa P-25
Cerhan, Asena; Güler, Zeynep Özdemir; Başım, Gül Bahar (Trans Tech Publications Inc., 2018)This study proposes a systematic quantification of effectiveness of the Degussa P-25 titania particles used as a benchmark in photocatalytic applications to standardize ability of self-cleaning textile applications and to ... -
Seri elastik eyleyiciler için mekanik tasarım süreçleri
Yıldırım, Mehmet Can; Şendur, Polat; Uğurlu, Regaip Barkan (Pamukkale Üniversitesi, 2019)Bu makalede tork kontrollü robot eklem tahriki için robotik literatüründe sıkça tercih edilen seri elastik eyleyici (SEE) üniteleri için geliştirilen tasarım süreçleri konu edilmiştir. Bilgisayar destekli tasarım ve benzetim ... -
Sliding mode control of an electromechanical solenoid actuator for soft landing
Küntüz, Mehmet Polat; Qureshi, Muhammad Sarmad; Bebek, Özkan (IEEE, 2018-10-08)Electromechanical solenoid actuators are widely used in industrial applications that require fast and linear motion. High velocities can be achieved in small stroke lengths; in turn the motion results with high-velocity ... -
Software defined VLC system: implementation and performance evaluation
Hussain, Waqas; Uğurdağ, Hasan Fatih; Uysal, Murat (IEEE, 2015)This paper presents the implementation of an IEEE standard-based Visible Light Communication (VLC) system using software defined radio (SDR) approach. Based on widely used SDR platform Universal Software Radio Peripheral ... -
Spoofing voice verification systems with statistical speech synthesis using limited adaptation data
Khodabakhsh, Ali; Mohammadi, Amir; Demiroğlu, Cenk (Elsevier, 2017-03)State-of-the-art speaker verification systems are vulnerable to spoofing attacks using speech synthesis. To solve the issue, high-performance synthetic speech detectors (SSDs) for attack methods have been proposed recently. ... -
Studies on slurry design fundamentals for advanced CMP applications
Başım, Gül Bahar; Karagöz, Ayşe; Özdemir, Zeynep; Vakarelski, I. U.; Chen, L. (ECS, 2013)New developments and device performance requirements in microelectronics industry add to the challenges in chemical mechanical planarization (CMP) process. One of the recently introduced materials is germanium which enables ... -
A survey of software testing in the cloud
İnçki, Koray; Arı, İsmail; Sözer, Hasan (IEEE, 2012)Cloud computing has emerged as a new computing paradigm that impacts several different research fields, including software testing. Testing cloud applications has its own peculiarities that demand for novel testing methods ... -
Testing performance of application containers in the cloud with hpc loads
Muhtaroglu, Nitel; Kolcu, Birkan; Arı, İsmail (Civil-Comp, 2017)In this paper, we evaluate HPC application deployment using container technology and examine performance metrics on a public cloud. The research focuses on the ease of deployment, performance and isolation issues related ... -
Thermal and optical performance of eco-friendly silk fibroin proteins as a cavity encapsulation over LED systems
Yuruker, Sevket Umut; Arık, Mehmet; Tamdoğan, Enes; Melikov, R.; Nizamoğlu, Sedat; Press, D. A.; Durak, Ilkem (ASME, 2015)The demand for high power LEDs for illumination applications is increasing. LED package encapsulation is one of most critical materials that affect the optical path of the generated light by LEDs, and may result in lumen ... -
Üniversite dış mekânları i̇çin zaman-mekânsal haritalama yöntemine dayanan bir kullanım sonrası değerlendirme modeli
Göçer, Ö.; Göçer, K.; Başol, Altuğ Melik; Kıraç, Mustafa Furkan; Torun, A. O.; Bakovic, M.; Siddiqui, F. P.; Özcan, Barış (Yildiz Technical University Faculty Of Architecture, 2020)Üniversite yerleşkeleri yalnızca çeşitli sosyal ve eğitsel binalardan oluşmakla kalmaz, dış mekânları ve donatıları, rekreasyon ve peyzaj alanları ile bütünleşik bir kurgu oluştururlar. Dış mekânlar, yerleşke kullanıcılarının ... -
Value iteration algorithm for mean-field games
Anahtarcı, Berkay; Karıksız, Can Deha; Saldı, Naci (Elsevier, 2020-09)In the literature, existence of mean-field equilibria has been established for discrete-time mean field games under both the discounted cost and the average cost optimality criteria. In this paper, we provide a value ... -
Vehicle-to-infrastructure visible light communications: Channel modelling and capacity calculations
Eldeeb, Hossıen Badr; Elamassie, Mohammed; Uysal, Murat (IEEE, 2020)In this paper, we investigate the performance of a visible light communication (VLC) system for vehicle-to-infrastructure (V2I) connectivity. Two headlamps of the vehicle serve as wireless transmitters while photodetectors ... -
Vehicular visible light communications with SPAD receivers
Karbalayghareh, Mehdi; Miramirkhani, Farshad; Safari, M.; Uysal, Murat (IEEE, 2019)Light emitting diodes (LEDs) are increasingly used in automotive exterior lighting. The expected wide availability of LED-based front and back lights makes visible light communication (VLC) a natural vehicular connectivity ... -
Visible light channel modeling for gas pipelines
Miramirkhani, Farshad; Uysal, Murat; Narmanlıoğlu, Ömer; Abdallah, M.; Qaraqe, K. (IEEE, 2018-04)In this paper, we explore the use of visible light communication as a means of wireless monitoring in gas pipelines. In an effort to shed light on the communication limits in the presence of gas, we create a three-dimensional ... -
VISOR: A fast image processing pipeline with scaling and translation invariance for test oracle automation of visual output systems
Kıraç, Mustafa Furkan; Aktemur, Tankut Barış; Sözer, Hasan (The ACM Digital Library, 2018-02)A test oracle automation approach proposed for systems that produce visual output.Root causes of accuracy issues analyzed for test oracles based on image comparison.Image processing techniques employed to improve the ... -
A web-based decision support system for quality prediction in manufacturing using ensemble of regressor chains
Demirel, Kenan Cem; Şahin, Ahmet; Albey, Erinç (Springer, 2020)In this study we construct a decision support system (DSS), which utilizes the production process parameters to predict the quality characteristics of final products in two different manufacturing plants. Using the idea ... -
Yüksek-ölçekli mobil iletişim verilerinin açık-kaynak hadoop çerçevesi kullanılarak paralel ve iş-hatlı işlenmesi
Koca, Melih; Arı, İsmail; Koçak, Uğur; Çalıkuş, O.; Sezgin, C. (IEEE, 2012)The fast increase in mobile device and bandwidth usage is generating big workloads on the IT infrastructures of mobile service providers and increasing management costs. These providers collect log files continuously and ...
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