OzU Theses & Dissertations: Recent submissions
Now showing items 241-260 of 516
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Lighting design considerations and channel modeling for visible light communications
(2019-06-10)There has been an extensive work on visible light communication (VLC) mainly due to scarcity in radio frequency (RF) spectrum and urgent need for a new wireless communication system in the near future. VLC considers the ... -
Mechanical performance of layered metallic composites processed by accumulative roll bonding
(2019-08-20)Mechanical Performance of Layered Metallic Composites Processed by Accumulative Roll Bonding.--Multi-layered metal composites have received considerable attention due to their advanced mechanical and physical properties. ... -
Development of a solid state spot welding technique for the manufacturing of detect free joints
(2019-06)Development of a Solid State Spot Welding Technique for the Manufacturing of Defect Free Joints.--Friction stir spot welding (FSSW) processing is a recently developed process for joining hard weldability materials, which ... -
Scalable analysis of large-scale system logs for anomaly detection
(2019-05-30)System logs provide information regarding the status of system components and various events that occur at runtime. This information can support fault detection, diagnosis and prediction activities. However, it is a ... -
Clothing image retrieval with triplet capsule networks
(2019-08-19)Clothing image retrieval has become more important after some major developments in Computer Science and the emergence of e-commerce. Recent studies generally attack this problem by using Convolutional Neural Networks ... -
Stochastic scheduling of operating rooms and reusable medical devices: a simulation optimization approach
(2019-08-08)Health care expenditures are expected to grow every year, and more than 40% of a hospital's total expenses and revenues are generated by surgical surgeries. One of the major resources required during surgeries are reusable ... -
Determination of effective breadth width of stiffened steel plate structures based on nonlinear finite element analysis
(2019-08-19)An economical and effective design of plates loaded by out-of-plane loads such as pressure or blast can be obtained by using stiffeners instead of increasing plate thickness. Therefore, stiffened steel plates are widely ... -
On modeling and simulation site material flows and logistics through BIM
(2019-08-21)Material flows and logistics are essential for proper material management within construction sites. Its effective implementation can improve efficiency of construction activities, handling and distribution of the materials. ... -
An improved speed controller for PMSM drive with unbalanced load using load torque observer
(2019-05-22)In order to overcome disturbance effects as load torque variations in Permanent Magnet Synchronous Motor (PMSM), an improved controller with feed forward compensation is presented in this study. Washing machines which are ... -
Optical quantum dot films for wide color gamut smart phone displays
(2019-05-08)Liquid crystal display (LCD) technology is a fundamental constituent of today’s smart phones for image formation. LCDs are required to have a back light unit (BLU) to create a uniform white light with the correct color ... -
Performance characterization of vehicular visible light communications
(2019-07-16)In Intelligent Transportation Systems (ITSs), visible light communication (VLC) has emerged as a powerful candidate to enable wireless connectivity in vehicle-to-vehicle (V2V) and vehicle-to-infrastructure (V2I) links. VLC ... -
Experimental and numerical investigations on compact plate heat exchanger
(2019-08-15)The objective of this thesis was to understand ow phenomena inside chevron type plate heat exchangers. To reach this goal, several visualization experiments designed and conducted. Also Large eddy ow simulations were ... -
Aging response of az series magnesium alloys after thermo-mechanical processing
(2019-08-20)The current study aims to investigate the effect of thermo-mechanical treatment utilizing both aging and stress aging on the mechanical behavior of warm rolled AZ31 magnesium alloy with inspecting the relationship between ... -
Numerical and experimental analysis of KSF LED packages in a 65" ultra-thin LED TV
(2019-08-08)Flat panel display technologies have been well developed over the last decade towards high-end products which have slimmer, higher brightness and wider color gamut (WCG) characteristics. These challenges led to a dramatic ... -
A mathematical modelling approach for dled TV panel design
(2019-06)The aim of this study is to increase the luminance performance of direct light emitting diodes (DLED) televisions through case design improvement. We first gather luminance measurements of several regions of active area ... -
Image denoising using deep convolutional autoencoders
(2019-08-19)Image denoising is one of the fundamental problems in image processing eld since it is required by many computer vision applications. Various approaches have been used in image denoising throughout the years from spatial ... -
AUC maximization for binary classification using combinatorial benders cuts
(2019-06-11)The purpose of this study is to maximize the area under Receiver Operating Characteristic curve for binary classi cation problems using a scoring-based mixed integer linear programming formulation. We investigate exact ... -
A workforce planning model for fair schedules considering employee satisfaction, service level, and operating cost
(2019-06-11)We study workforce planning issues for call centers and propose a solution approach with a scheduling model. In this study, we emphasize the effects of employee satisfaction, fair distribution of shifts, and agent-related ... -
Computational investigations of metal organic frameworks and covalent organic frameworks for gas storage and gas separation applications
(2019-07-09)Ordered crystalline microporous materials including metal organic frameworks (MOFs), zeolite imidazolate frameworks (ZIFs), and covalent organic frameworks (COFs) have emerged as strong candidates for gas storage and gas ... -
Investigation on the effects of dc-link capacitors to DC/AC converter under various operation conditions
(2019-05-29)In the designing stage of a DC/AC converter, determining parameters of components has an essential role such as value, size and material type. DC-Link capacitors are the critical components for DC/AC converters and define ...
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