OzU Theses & Dissertations: Recent submissions
Now showing items 261-280 of 516
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Thermal and optical interaction of tightly packaged LEDs in automotive lighting applications
(2018-11-20)This study aims to enhance the thermal management of an LED light engine for automotive exterior lighting with an advanced heat spreader. Although LEDs have many advantages, their applications require an accurate thermal ... -
Finite element analysis in a cloud computing environment
(2019-01-04)In this thesis, the challenges faced and lessons learned while establishing a large-scale high performance cloud computing service that enables online mechanical structural analysis and many other scientific applications ... -
Real-time robust control of a series elastic actuator subject to uncertainties
(2018-12-24)Humans are able to perform highly complicated tasks in their daily activities by interacting with the environment. However, for a robotic system, these tasks are quite challenging. To overcome these problems, robotic systems ... -
Experimental and numerical investigation of rubber whether strip extrusion
(2019-01-03)Extrusion is the main method used to produce rubber weather strips in automotive industries. The product quality is dependent on many factors, which include the design parameters of the die, the processing variables, and ... -
A robust voltage control method for universal ev battery charge llc resonant converters
In this study, a novel control method for LLC resonant converter with wide output voltage range and constant switching frequency is proposed targeting wide range of Electric Vehicle (EV) battery charger standards. In ... -
Energy and exergy efficiency analyses of high-performance buildings
(2018-11-26)Reducing building energy density has become one of the global requirements to a decrease fuel consumption and emission production, and consequently making our world sustainable. The high value of energy consumed by buildings ... -
A unified framework for benchmarking sparse matrix-vector multiplication methods
(2019-10-01)Sparse matrix-vector multiplication (SpMV) is an important sparse linear algebra kernel that has a wide range of application domains, including computational science, graph analytics, machine learning and many more. Due ... -
Football stadiums' integration into urban fabric in context of spatial discourse
(2019-01)Football and society have always been connected, and stadium has become one of the venues for social interaction. Because of the zoning policies, economic constraints and urban transformations, stadiums have been constructed ... -
An investigation into junction temperature of green and blue LEDs
(2019-01-04)As more advanced technologies are developed, energy considerations are becoming more serious. This is also true for lighting systems that play a crucial role in worldwide energy consumption consisting of 15% of general ... -
Advisor: an adaptive framework for test oracle automation of visual output systems
(2019-01-10)Test oracles differentiate between the correct and incorrect system behavior. Automation of test oracles for visual output systems mainly involves image comparison, where a snapshot of the observed output during test is ... -
A semantic policy framework for internet of things
(2018-10-31)With the proliferation of technology, connected and interconnected devices (henceforth referred to as IoT) are fast becoming a viable option to automate the day-to-day interactions of users with their environments. However, ... -
Radiative cooling by spectrally selective materials for building
(2018-01-03)Buildings utilize more than one-third of the total energy consumed in counties within the Mediterranean climate zones like in Turkey. Particularly during the summer months, the absorption of solar energy by the buildings ... -
A 1GS/S, 9-BIT DAC I interleaved (2+1)-bit then 2-bit per cycle, reference free SAR ADC
(2019-01-02)This work presents a high speed, medium resolution Successive Approximation Register Analog to Digital Converter (SAR ADC) designed for low-noise, low- power satellite transceiver applications. The proposed system is a ... -
Development of a torque-controllable lower extremity exoskeleton for crutch-free 3D walking support
(2018-12-24)Spinal cord paralysis is a condition, which is formed due to full or partial loss of sensorimotor and autonomous functionalities of the spinal cord. Paraplegia is a type of spinal cord injury which causes functionality ... -
Numerical and theoretical analysis of external gear pump
(2019-01-28)External gear pumps are one of the mostly used pump types in the uid power applications due to simplicity, low cost and long operation period. However, there are some disadvantages such as internal leakages, noise and ... -
Evaluation of bioimplants surface nano-micro design by chemical mechanical polishing against alternative methods
(2019-01-11)Biomaterials comprise a representative fraction of the products used in the health area. Biomedical devices (such as biosensors, blood circulation tubes, hemodialysis systems) can be cited as examples. Biomaterials can be ... -
Digital oil refinery: utilizing real-time analytics and cloud computing over industrial sensor data
(2018-12-14)This thesis addresses big data challenges seen in large-scale, mission-critical industrial plants such as oil refineries. These plants are equipped with heavy machinery (boilers, engines, turbines, etc.) that are continuously ... -
Multi-lingual depression-level assessment from conversational speech using acoustic and text features
(2018-12-19)Depression is a common mental health problem around the world with a large burden on economies, well-being, hence productivity, of individuals. Early diagnosis and detection of depression can aid treatment, but diagnosis ... -
A4WP-QI combo system for continious wireless charging range coverage with resonance filtering
(2019-01-02)Distribution of wireless power charging field uniformly on a large area pad is critical for receivers, especially for wearable devices because of their small form factor receiver coil. Since the receiver coil size is quite ... -
An investigation into hydrophobic micro-textured surfaces on heat transfer and surface wetting phenomenon during vapor condensation
(2018-12-28)Efficiency and performance of a system that involves condensation process have been one of the primary considerations over the last decades for a number of applications including thermal management systems such as vapor ...
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