OzU Theses & Dissertations: Recent submissions
Now showing items 101-120 of 516
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Analysis and optimization of the network throughput in ieee 802.15.13 based visible light communication networks
In recent years, commercialization of visible light communication networks have started. As a result, there are multiple groups working for their standardization. In this work, we focus on one of them, which is IEEE 802.15 ... -
A distributed blacklisting protocol for iot device classification using the hashgraph consensus algorithm
Industrial applications require highly reliable, secure, low-power and low-delay communications. However, wireless communication links in the industrial environment suffer from various channel impairments which can compromise ... -
Effects of photon statistics on quantum random number generators and photon detection efficiency
The effects of photon statistics on different quantum applications are explained in this thesis. There are mainly two sections: the first section focuses on the randomly bunched and coherently bunched photons' continuous ... -
Design and processing of multi-phase high entropy alloys
The multi-principal element alloys (MPEAs) known as high- and medium-entropy alloys possess promising properties due to their highly distorted atomic crystal structures. Employing multi-elements as principal elements has ... -
An integrated post-disaster assessment routing problem for collecting damage information with drones
In this study, we focus on post-disaster damage assessment operations supported by a set of drones when the disaster-affected area is divided into grids, and grids are clustered based on their attributes. We propose a ... -
An experimental research on the effects of frost formation on different environmental conditions and surface configurations
Frost formation on finned surfaces is observed on heat exchangers in cooling systems such as refrigerators and air conditioners. Accumulated frost on finned surfaces blocks the air flow in between fins and reduces the ... -
Avoiding short shot quality failure in injection molding machine
The Plastic injection molding machine (IMM) has been one of the most preferred manufacturing methods since its invention and continues its development in parallel with the advancing technology. The demand for faster, better ... -
A split delivery vehicle routing problem for daily tobacco delivery
One of the Turkey's largest cigarette manufacturer, located in Izmir, receives distributors' orders from all over Turkey every day. Processed and packed cigarettes are distributed to all distributors in different locations ... -
An ecologically valid reference frame for perspective invariant action recognition
In robotics, objects and body parts can be represented in various coordinate frames to ease computation. In biological systems, body or body part centered coordinate frames have been proposed as possible reference frames ... -
Numerical investigation of the radiant heating performance of a continuous annealing furnace
Annealing as a type of heat treatment process is widely used in the glass manufacturing industry. It is the last stage of the manufacturing process and has a highly dominant effect on the quality of the glass. Especially ... -
A multistage scenario optimization procedure for capacity planning in TV production final assembly lines
Vestel Electronics is a large-scale TV producer that has an important share in the European television market. High End Factory, where Vestel assembles 20 different TVs in size, consists of 14 final assembly lines. High ... -
Performance and loss assesment of industrial buildings under flood and earthquake actions
Flooding and earthquake are the two most-costliest hazard events that significantly affect communities in Turkey. Especially, their impacts on industrial facilities can trigger fire or release of toxic substances, resulting ... -
Modeling and optimization of chemical mechanical polishing of semiconductor materials
Chemical mechanical polishing (CMP) is a process of planarization of metal and dielectric surfaces typically in microelectronic devices manufacturing. Planarization is achieved by removing material from the wafer surface ... -
Channel modeling for vehicular visible light communication
The demand for vehicular communication systems has increased since they are considered the key enabling technology for Intelligent Transportation Systems (ITSs). Vehicular communications allow information sharing between ... -
Visible light communications with advanced physical layer features and integration with existing wireless communication technologies
Optical wireless communication systems that operate in the visible light frequency band (390-700 nm) are called as visible light communication (VLC). VLC systems are based on the principle of modulating light emitting ... -
A stochastic geometry approach for cellular wireless network analysis
Cellular wireless communications systems transformed the way people communicated by combining communication and mobility. Since the early 1970s, the mobile industry has been driving the development and evolution of cellular ... -
Adaptive multiple-input multiple-output (MIMO) techniques for visible light communications
Visible Light Communication (VLC) technology is a promising solution of wireless communication systems in beyond 5G communication networks, which provides low implementation cost, high energy efficiency, and high-speed ... -
Performance analysis of quantum key distribution in underwater turbulence channels
The current literature on quantum key distribution (QKD) is mainly limited to the transmissions over ber optic, atmospheric or satellite links and are not directly applicable to underwater environments with di erent channel ... -
Modeling and simulation of three-phase bidirectional electric vehicle charger
The aim of this research is to investigate how an electric vehicle (EV) charger with controllers performs and affects the EV battery, integrated to the grid. At present, typical applications of EV chargers usually include ... -
Small form factor PCB-based air coil for CubeSats
pace missions using Earth's magnetic field to achieve effective attitude determination and control (orientation) is becoming more and more popular at relatively low altitudes, Low Earth Orbit (LEO). CubeSats (U-class ...
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