Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 229 for “"Unmanned Aerial Vehicles (UAVs)"”.
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Locating Unmanned Aerial Vehicles (UAVs)
<p>Despite the popularity and usefulness of Unmanned Aerial Vehicles (UAVs) or drones, they are not allowed to fly in some areas without prior permission from the Federal Aviation Administration (FAA). However, many incidents of UAVs breaching such restrictions have been reported. A UAV location …
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Low altitude unmanned aerial vehicles (UAVs) in wireless networks
In the realm of 5G wireless communications, UAVs present an intriguing prospect owing to their inherent attributes, such as mobility, flexible deployment, autonomy, line-of-sight establishment, and adjustable altitude. The rapid evolution of 5G and beyond 5G networks, alongside advancements in …
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Low altitude unmanned aerial vehicles (UAVs) in wireless networks
In the realm of 5G wireless communications, UAVs present an intriguing prospect owing to their inherent attributes, such as mobility, flexible deployment, autonomy, line-of-sight establishment, and adjustable altitude. The rapid evolution of 5G and beyond 5G networks, alongside advancements in …
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Quantifying the Impact of Seismic Lines on Methane Release in a Treed Bog Ecosystem using Unmanned Aerial Vehicles (UAVs)
… effects. This thesis summarizes how unmanned aerial vehicle photogrammetry can be used to address this knowledge gap by showcasing the ability to generate accurate peatland terrain models, and subsequently estimate seismic-line impacts on both physical parameters (microtopography and …
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The System Design of a Global Communications System for Military and Commercial use Utilizing High Altitude Unmanned Aerial Vehicles (UAVs) and Terrestrial Local Multipoint Distribution Service (LMDS) Sites
… communication system that provides service using unmanned aerial vehicles (UAVs) flying at 60,000 ft. acting as communication hubs. This thesis provides background information on UAV-LMDS system elements, a financial analysis, theory, link budgets, system component design and implementation …
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Analysis of resource control in nondeterministic mobile ad hoc network systems : an unmanned aerial vehicle example
… for this dynamic system is the automation of Unmanned Aerial Vehicles (UAVs). This paper utilizes the UAV example in order to bring life, and motivate this research. Note that there are many other applications and problems with similar voids in understanding that this approach could be …
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Three-Dimensional, Vision-Based Proportional Navigation for UAV Collision Avoidance
<p>As the number of potential applications for Unmanned Aerial Vehicles (UAVs) keeps rising steadily, the chances that these devices will operate in close proximity to static or dynamic obstacles also increases. Therefore, collision avoidance is an important challenge to overcome for Unmanned …
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RF Fingerprinting Unmanned Aerial Vehicles
<p>As unmanned aerial vehicles (UAVs) continue to become more readily available, their use in civil, military, and commercial applications is growing significantly. From aerial surveillance to search-and-rescue to package delivery the use cases of UAVs are accelerating. This accelerating popularity …
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Robust Online Trajectory Prediction for Non-cooperative Small Unmanned Aerial Vehicles
In recent years, unmanned aerial vehicles (UAVs) have got a boost in their applications in civilian areas like aerial photography, agriculture, communication, etc. An increasing research effort is being exerted to develop sophisticated trajectory prediction methods for UAVs for collision detection …
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Comparison of partially decoupled and combined methods of path planning and task allocation
Developing autonomous unmanned aerial vehicles (UAVs) reduces the risks to which soldiers are subjected by enabling the UAVs to make efficient decisions, regardless of the situation. This requires each group of UAVs to be proficient in planning their own paths and assigning tasks in a way that …
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Inferences about the conservation utility of using unmanned aerial vehicles to conduct rapid assessments for basking freshwater turtles
Unmanned aerial vehicles (UAVs), an emerging technology, show promise in ecological research. In this comparative study, I compare UAVs to a traditional sampling method, observations using spotting scopes. UAVs have yet to be used successfully for sampling freshwater turtles; however, they have …
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RISK-BASED MULTIOBJECTIVE PATH PLANNING AND DESIGN OPTIMIZATION FOR UNMANNED AERIAL VEHICLES
Safe operation of unmanned aerial vehicles (UAVs) over populated areas requires reducing the risk posed by a UAV if it crashed during its operation. We considered several types of UAV risk-based path planning problems and developed techniques for estimating the risk to third parties on the ground. …
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A distributed embedded software architecture for multiple Unmanned Aerial Vehicles
… intelligent, next-generation applications on Unmanned Aerial Vehicles (UAVs), we must first develop a software architecture that supports onboard computation and flexible communication. This thesis presents an Onboard Planning Module developed from an embedded PC/104 Linux-based computer that …
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Video Stabilization and Target Localization Using Feature Tracking with Video from Small UAVs
<p>Unmanned Aerial Vehicles (UAVs) equipped with lightweight, inexpensive cameras have grown in popularity by enabling new uses of UAV technology. However, the video retrieved from small UAVs is often unwatchable due to high frequency jitter. Beginning with an investigation of previous …
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Securing the ADS-B Protocol for Attack-resilient Multiple UAV Collision Avoidance
… (ADS-B) protocol is being adopted for use in unmanned aerial vehicles (UAVs) as the primary source of information for emerging multi-UAV collision avoidance algorithms. The lack of security features in ADS-B leaves any processes dependent upon the information vulnerable to a variety of threats …
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MAVIDS: an intelligent intrusion detection system for autonomous unmanned aerial vehicles
Unmanned Aerial Vehicles (UAVs) face a large threat landscape, being used in numerous industries in hostile environments while relying on wireless communication. As attacks against UAVs increase, an intelligent Intrusion Detection System (IDS) is needed to aid the UAV in identifying attacks. The …
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Context-specific challenges, opportunities, and ethics of drones for healthcare delivery in the eyes of program managers and field staff: a multi-site qualitative study
Unmanned aerial vehicles (UAVs) also known as drones have significant potential in the healthcare field. Ethical and practical concerns, challenges, and complexities of using drones for specific and diverse healthcare purposes have been minimally explored to date. This thesis aims to document, and …
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Optimizing network lifetime in sensor networks with limited recharging capabilities
… network lifetimes. Recharging select nodes with Unmanned Aerial Vehicles (UAVs) provides a solution that currently can recharge a single node; however, questions arise on the effectiveness of a limited recharging system, the appropriate node to recharge, and the best sink selection algorithm for …
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Feasibility Study of an Axially-Stacked, Subsonic Propeller System
… for an increased production and application of unmanned aerial vehicles (UAVs), humans will increasingly become exposed to noise pollution emanating from above. Fortunately, electric motors have and will continue to gain an ever-prominent role in the power plant of small, to mid-sized air …
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Development and applications of a vision-based unmanned helicopter
The vision-based unmanned aerial vehicles (UAVs) have aroused great interest recently. This calls for the in-depth research work on the vision-based UAV, and its applications, which are presented in this thesis. A systematic and effective design methodology has been presented to construct the UAV …
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