Browsing Fen Bilimleri Enstitüsü by Title

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  • Control heuristics for the soft landing problem 
    Tanyolaç, Togay. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    In this thesis, we first construct a basic model representing the soft landing problem. The aim of the modeling effort is to transparently represent the process of landing a spacecraft on the surface of a celestial body. ...
  • Control of an obstacle avoider mobile robot using image processing 
    Kulgu, Turgay. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    This study investigates control of a mobile Lego robot moves towards to the specified target without hitting the obstacles with the help of image processing. An experimental set-up was designed and conducted for experiments. ...
  • Control of chaotic systems with time delayed feedback control 
    Yakar, Engin. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    Delayed Feedback Control (DFC) method proposed by Pyragas is a simple and efficient method to control chaotic systems by stabilizing the Unstable Periodic Orbits (UPOs) of these systems. Assuming that a UPO with period T ...
  • Control of inverted pendulum:| comparison of various strategies for swing up and balancing 
    Er, Fatih. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2005., 2005.)
    In this thesis, two different control schemes are designed for swinging up and three different schemes for balancing of an inverted pendulum, a non-linear electro-mechanical system with open loop unstablity. The controllers ...
  • Control system design of a highly-extensible soft continuum robot 
    Talaş, Şeref Kemal. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    In this thesis, control system design of a highly-extensible soft robot is presented. The robot is actuated with three inflatable tubings connected to stepper motors and can move in three-dimensional space. Pressurizing the ...
  • Control system designs for potential RFID applications 
    Bağcı, Ergun. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    RFID technology encloses diverse application areas that vary from industry to industry. Every year many new, previously potential use of RFID technology turns out to be an efficient application to the community and industry. ...
  • Controlled sink mobility and wireless sensor network lifetime maximization 
    Keskin, M. Emre. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    The design of a Wireless sensor network (WSN) involves the optimal deployment and activity scheduling of the sensors as well as optimal deployment or routing of sinks and optimal routing of data flows. In this thesis, we ...
  • Controller load balancing schemes in software defined networks 
    Selvi, Hakan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    Software-de ned networking (SDN) has been proposed as a new networking paradigm which separates the control and data forwarding planes. The controllers which are centralized network control entities are crucial for meeting ...
  • Convective heat transfer and flow performance analysis for a non-homogeneous nanofluid in a circular minichannel 
    Hokmabad, Siamak Vajdi. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    This study investigates convective laminar flow and heat transfer of alumina-water nanofluid inside a circular minichannel subjected to constant heat flux and wall temperature. The results of numerical studies on non-homogeneous ...
  • Convergence acceleration procedures for the computation of 2-D transonic flows 
    Türk, Uğur (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    This study addresses a novel adaptive time stepping procedure, which leads to selection of larger time steps allowed by the physics of the problem. Information about the gradients of the flow variables can be regarded as ...
  • Convergence rate analysis and optimization of distributed consensus algorithms 
    Cihan, Onur. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    The problem of achieving a common value in a distributed information sharing context, referred to as distributed consensus or agreement, is an important topic that has drawn significant research attention of late. Consensus ...
  • Conversion of current mode continuous time sigma delta converters from 1 bit to 3 bits 
    Akçakaya, Feyyaz Melih. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Sigma delta analog digital converters which are widely used in electronics are gradually achieving faster speeds and lower power consumption. The most important factor that affects speed and power consumption is the type ...
  • Converting existing buildings to green buildings: implementations in Turkey 
    Aktaş, Bahacan. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    Environmental challenges like global warming, climate change and fresh water supply has recently become an important issue. However, humankind continues to harm the nature and waste natural resources. Large amounts of ...
  • Convexity in graphs 
    Erey, Aysel. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    The idea of finding analogies and generalizations to some concepts from continuous mathematics has led to the study of several new topics in discrete structures. Convexity is such a concept that has been widely studied in ...
  • Cooling performance investigation of nanofluids for internal combustion engine systems 
    Aydoğan, Onur. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    This study aims to evaluate numerically the cooling performance increase of an internal combustion engine cooling system due to the use of nanofluids. Throughout the study a set of analyses has been done to determine the ...
  • Cooperative adaptive cruise control algorithms for vehicular platoons based on distributed model predictive control 
    Taplı, Tuğba. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Over the past decade, autonomous driving and driver assistance systems have become popular research topics with the aim of reducing traffic congestion, driver labor and rate of accidents. This has changed the requirements ...
  • Cooperative sensing scheduling strategies for Cognitive Radio networks 
    Eryiğit, Salim. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    In this thesis, our main focus is on cooperative sensing scheduling (CSS) for cognitive radio networks (CRNs). We first consider the joint scheduling of sensing and transmission for a multi-channel CRN with varying sensing ...
  • Cooperative sign language tutoring: a multiagent approach 
    Yıldırım, İlker. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Sign language is the natural means of communication for the hearing-impaired. Sign languages are based on signs, which are a combination of hand gestures, facial expressions, and head movements. Teaching these visual ...
  • Cooperative spectrum sensing and radio environment map construction in cognitive radio networks 
    Yılmaz, Hüseyin Birkan. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    In this thesis, we focus on both internal and external sensing in Cognitive Radio (CR) networks. In internal sensing, individual CRs discover spectrum opportunities via spectrum sensing whereas in external sensing, an ...
  • Coordinated multipoint - aware baseband unit placement in cloudran 
    Üzümcüoğlu, Anıl. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Cloud Radio Access Network (CloudRAN) is proposed as a candidate architec ture for future mobile networks in order to meet the challenging requirements presented in 5G specifications. The key rationale behind CloudRAN is ...

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