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 25 for “"Unmanned Aircraft System"”.
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Pilot’s Willingness to Operate in Unmanned Aircraft System Integrated Airspace
<p>The interest in Unmanned Aircraft Systems (UAS) use for private, civil, and commercial purposes such as package delivery, inspection, surveillance, and passenger and cargo transport has gained considerable momentum. As UAS infiltrate the National Airspace System (NAS), there is a need to not …
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In-Flight Learning Based Flight Control of an Unmanned Aircraft System
Unmanned Aerial Vehicles (UAVs) popularity has increased substantially in the last few years. UAVs capabilities continue to improve as a result of advances in battery technology, communication, navigation systems and electronics. Increased popularity has driven researchers to improve UAVs …
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Monitoring and Preventing Data Exfiltration in Android-hosted Unmanned Aircraft System Applications
… applications are now being used to control unmanned aircraft systems (UAS) making smartphones the storehouse for all the data that is generated by the UAS. This data can be sensitive in nature which puts the user at the risk of data exfiltration. As most Android-hosted UAS applications are …
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Aerodynamic and aeroacoustic design of small unmanned aircraft system propellers at low Reynolds numbers.
The Small Unmanned Aircraft System (sUAS) has become an overwhelmingly important asset for military intelligence, surveillance, and reconnaissance in addition to a multitude of needs in the commercial industry. More research should investigate sUAS propulsion systems and specifically the …
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Enhancing the systems decision process with flexibility analysis for optimal unmanned aircraft system selection
Systems Engineers often conduct decision analysis in order to provide decision makers with a quantifiable means to make decisions. However, the field of Systems Engineering is often criticized for focusing on processes and requirements instead of the actual system. As a result, it limits the …
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Small unmanned aircraft system integration into the Mode C Veil using an enterprise architecting framework
Integrating small unmanned aerial systems (sUAS) into the national airspace system (NAS) represents a challenging problem set that requires consideration through multiple lenses. Like most complex problems, considering one class of constraints is inadequate to developing a solution that satisfies …
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High-Throughput Phenotyping for Soybean Iron Deficiency Chlorosis Using an Unmanned Aircraft System: Applications in Breeding, Agronomy, and Genetics
… season. The goal of this study was to use an unmanned aircraft system (UAS) to improve field screening for tolerance to soybean IDC. We achieved high efficiency in collecting data with autonomous UAS flights, greater than 77% accuracy in classifying plots on a 1-5 severity scale, and an …
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Multispectral Remote Sensing of the Earth and Environment Using KHawk Unmanned Aircraft Systems
… of the KHawk multispectral remote sensing system for environmental and agricultural applications. KHawk Unmanned Aircraft System (UAS), a small and low-cost remote sensing platform, is used as the test bed for aerial video acquisition. An efficient image geotagging and photogrammetric …
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A Carrier-Pigeon UAS for South Pole Data Transfer
<p>The assessment of feasibility of an Unmanned Aircraft System (UAS) that is specifically tailored—in performance, operating and support characteristics, and payload—to support hardware-based data transfer from South Pole Station in Antarctica to a location of high connectivity has been …
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Development of a multispectral albedometer and deployment on an unmanned aircraft for evaluating satellite retrieved surface reflectance over Nevada's Black Rock Desert
… atthe surface. The instrument was operated on an unmanned aircraft system (UAS) tocontrol areal averaging for comparison with satellite derived albedo from NASAModerate Resolution Imaging Spectroradiometer (MODIS) and Land Satellite 7Enhanced Thematic Mapper Plus (Landsat-7 ETM+). The instrument …
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Demonstrating an Equivalent Level of Safety for sUAS in Shielded Environments
The current proposed unmanned aircraft system (UAS) detect and avoid standards require the same safety metrics, even when in close proximity to the ground or structures. This requirement has the potential to hinder low altitude small unmanned aircraft operations, such as local package delivery and …
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Value proposition analysis for medium- and heavy- lift cargo unmanned aircraft systems
The majority of current unmanned aircraft system (UAS) research is focusing on small UAS operations at low altitude over rural and underpopulated areas. There is a gap in research about UAS greater than 55 pounds. The first unmanned aircraft to operate in this airspace is likely to be unmanned air …
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A systems architecture-based approach to assess candidate upgrades to complex systems
… for assessing compatibility between parent systems and child subsystems is proposed and applied to several cases where subsystems are being replaced in legacy systems. CAM is a screening process intended to be used by project managers who need to replace components of complex systems. The …
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Decision Support for Operational Plantation Forest Inventories through Auxiliary Information and Simulation
… immediately after plantation establishment. An unmanned aircraft system was evaluated for its ability to capture imagery that could be used to automate seedling counting using two computer vision approaches. The imagery was found to be unreliable for consistent detection in the conditions …
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Experimental and Theoretical Developments in the Application of Lagrangian Coherent Structures to Geophysical Transport
… how material will be transported in these systems can often be challenging. Tools from dynamical systems theory can help to improve the prediction of material transport by revealing important transport structures. These transport structures reveal areas of the flow where fluid parcels, and …
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On Integral Quadratic Constraint Theory and Robust Control of Unmanned Aircraft Systems
… advances tools for the certification of unmanned aircraft system (UAS) flight controllers. We develop two thrusts to this goal: (1) the validation and improvement of an uncertain UAS framework based on integral quadratic constraint (IQC) theory and (2) the development of novel IQC …
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Machine Learning for Unmanned Aerial System (UAS) Networking
… pave the way for the evolution of Cyber-physical Systems (CPS) on a large scale. The reduction of consumption, the advancement of control engineering, and the simplification of Unmanned Aircraft System (UAS) enable the UAS networking deployment on a large scale to become feasible. The UAS …
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Mining Aircraft Telemetry Data With Evolutionary Algorithms
… Ganged Phased Array Radar - Risk Mitigation System (GPAR-RMS) was a</p> <p>mobile ground-based sense-and-avoid system for Unmanned Aircraft System (UAS)</p> <p>operations developed by the University of North Dakota. GPAR-RMS detected proximate</p> <p>aircraft with various sensor systems, …
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