Browsing by Author "2"
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Collaboration in design research: An analysis of co-authorship in 13 design research journals, 2000–2015
İlhan, Ali Oğulcan; Oğuz, Murat Can (Taylor & Francis, 2019)This paper utilizes social network analysis and multivariate statistical methods to quantitatively analyse co-authorship patterns between 2000 and 2015 in 13 influential design research journals. The results indicate that ... -
Collective voice of experts in multilateral negotiation
Güneş, Taha Doğan; Arditi, Emir; Aydoğan, Reyhan (Springer International Publishing, 2017)Inspired from the ideas such as “algorithm portfolio”, “mixture of experts”, and “genetic algorithm”, this paper presents two novel negotiation strategies, which combine multiple negotiation experts to decide what to bid ... -
Colliding urban transformation process: the case of historical peninsula, Istanbul
Uluengin, Demet Mutman; Turgut, Hülya (ArchNet-IJAR, 2018)Over the last three decades, the disruptive quality of urban and social restructuring processes in Turkey has been intensified by the government’s decision to embrace the concept of urban transformation as a tool to boost ... -
Colour gamut enhancement with remote light conversion mechanism
Köseoğlu, Devrim; Sezer, Yusuf Sinan; Karslı, K. (IOP Publishing, 2018)The backlight unit spectrum of liquid crystal displays (LCD) directly affects the colour gamut. With the invention of GaN based blue light emitting diodes (LED), phosphors and quantum dots (QD) have gained considerable ... -
Combined AES + AEGIS architectures for high performance and lightweight security applications
Şahin, Furkan; Uğurdağ, Hasan Fatih; Yalçın, T. (Springer International Publishing, 2014)AES has been the prominent block cipher since its introduction as the standard. It has been the cipher used in almost all new applications that require solid, unbreakable security with reasonable resource usage. Several ... -
Comparative performance evaluation of MIMO visible light communication systems
Damen, M. O.; Narmanlioglu, Omer; Uysal, Murat (IEEE, 2016)In this paper, we consider multiple-input multiple-output (MIMO) visible light communication (VLC) systems. The physical layer of VLC system builds upon optical orthogonal frequency division multiplexing (O-OFDM). Repetition ... -
A comparative study on the junction temperature measurements of LEDs with raman spectroscopy, microinfrared (IR) imaging, and Forward voltage methods
Tamdoğan, Enes; Pavlidis, G.; Graham, S.; Arık, Mehmet (IEEE, 2018-11)Energy efficiency, long life, exceptional color, and performance of solid-state light sources have resulted in a rapidly increasing trend in a number of practical applications especially for general lighting after a long ... -
A comparison study on observer-based force control of series elastic actuators
Kansızoğlu, Ahmet Talha; Sariyildiz, E.; Uğurlu, Regaip Barkan (IEEE, 2018)This paper presents a comparison study for the robust force control of series elastic actuators (SEAs). In most robotics systems, SEAs are used as an essential actuation method due to the benefits such as lower reflected ... -
Computational comparison of five maximal covering models for locating ambulances
Erkut, Erhan; Ingolfsson, A.; Sim, T.; Erdoğan, Güneş (Wiley, 2009-01)This article categorizes existing maximum coverage optimization models for locatingambulances based on whether the models incorporate uncertainty about (1) ambulanceavailability and (2) response times. Data from Edmonton, ... -
Computational screening of covalent organic frameworks for hydrogen storage
Gülçay, Ezgi; Fındıkçı, İlknur Eruçar (Turkish Chemical Society, 2020)Covalent Organic Frameworks (COFs) have been considered as promising materials for gas storage applications due to their highly porous structures and tunable characteristics. In this work, high-throughput molecular simulations ... -
Computer simulations of 4240 MOF membranes for H2/CH4 separations: insights into structure–performance relations
Altintas, C.; Avci, G.; Daglar, H.; Gülçay, Ezgi; Fındıkçı, İlknur Eruçar; Keskin, S. (Royal Society of Chemistry, 2018-04-14)Design of new membranes having high H2/CH4 selectivity and high H2 permeability is strongly desired to reduce the energy demand for H2 production. Metal organic frameworks (MOFs) offer a great promise for membrane-based ... -
Continuous phase modulation with chaotic interleaving for visible light communication systems based on orthogonal frequency division multiplexing
Eldeeb, Hossıen Badr; Al‐Nahhal, Mohamed; Selmy, H. A. I.; Abd El-Samie, F. E. (Wiley, 2020-09)Visible light communication (VLC) is one of the most promising technologies which offers high data rates and flexible cost‐effective networking solutions for indoor applications. In VLC systems, the optical orthogonal ... -
Controlling germanium CMP selectivity through slurry mediation by surface active agents
Karagöz, Ayşe; Başım, Gül Bahar (The Electrochemical Society, 2015-08-10)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 to semiconductor manufacturing ... -
Cooperative MIMO-OFDM based inter-vehicular visible light communication using brake lights
Narmanlıoğlu, Ömer; Turan, B.; Ergen, S. C.; Uysal, Murat (Elsevier, 2018-05)Inter-vehicular connectivity to enhance road safety and support highly autonomous driving is increasingly becoming popular. Despite the prevalent works on radio-frequency (RF) based vehicular communication schemes, visible ... -
Coordinating collection and appointment scheduling operations at the blood donation sites
Mobasher, A.; Ekici, Ali; Özener, Okan Örsan (Elsevier, 2015-09)According to the regulations imposed by the U.S. Food and Drug Administration and the American Association of Blood Banks, in order to extract platelets, donated blood units have to be processed at a processing center ... -
Coriolis Effect on elastic waves propagating in rods
Çetin, Hakan; Yaralıoğlu, Göksen Göksenin (Elsevier, 2020-10-27)Vibration analysis of rods that are subjected to rotation is presented. It is shown that flexural-flexural, longitudinal-flexural and torsional-flexural wave coupling occur due to the Coriolis Effect. First, we carried out ... -
Coverage of a shopping mall with flexible OLED-based visible light communications
Chaleshtori, Z. N.; Zvanovec, S.; Ghassemlooy, Z.; Eldeeb, Hossıen Badr; Uysal, Murat (The Optical Society, 2020-03-30)Visible light communications (VLC) can utilize light-emitting diodes (LEDs) to provide illumination and a safe and low-cost broadcasting network simultaneously. In the past decade, there has been a growing interest in using ... -
Crack remediation in mortar via biomineralization: effects of chemical admixtures on biogenic calcium carbonate
Amiri, Ali; Azima, Mahzad; Bundur, Zeynep Başaran (Elsevier, 2018-11-30)Limited research on biomineralization in cement-based systems suggested that self-healing of surface cracks could be obtained by triggering biogenic calcium carbonate (CaCO3) precipitation within the cracks. While this is ... -
Critical review of the factors dominating the fracture toughness of CNT reinforced polymer composites
Al-Maharma, Ahmad Yousef Mohammad; Şendur, Polat; Al-Huniti, N. (IOP Publishing, 2019-01)In this study, the main factors, which have substantial influence on fracture toughness of carbon nanotubes (CNTs)-based composites both at nano and macro scales, are discussed in detail. Based on the findings from the ... -
Cross-lingual speaker adaptation for statistical speech synthesis using limited data
Sarfjoo, Seyyed Saeed; Demiroğlu, Cenk (Interspeech, 2016)Cross-lingual speaker adaptation with limited adaptation data has many applications such as use in speech-to-speech translation systems. Here, we focus on cross-lingual adaptation for statistical speech synthesis (SSS) ...
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