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 103 for “"aircraft systems"”.
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RADAR Based Collision Avoidance for Unmanned Aircraft Systems
<p>Unmanned Aircraft Systems (UAS) have become increasingly prevalent and will represent an increasing percentage of all aviation. These unmanned aircraft are available in a wide range of sizes and capabilities and can be used for a multitude of civilian and military applications. However, as the …
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Congested Airspace Routing Analysis of Commercial Unmanned Aircraft Systems
… and regulatory criteria for commercial unmanned aircraft systems in congested airspace sectors through analysis of several routing options utilizing flight simulation technology and logical analysis. Commercial unmanned aircraft systems will require a discrete set of operating rules and will need …
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Reverse engineering of micro light aircraft systems and design
Humans tends to get bored when doing a repetitive task over and over again. Whenever human get bored doing something, their concentration level on doing the task will go down and the end result of the task will not be up to the standard. A robot that can imitate human movement could be introduce in …
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Application of multiple unmanned aircraft systems (UAS) for bushfire mitigation
… response services rely on watchtowers, manned aircraft and satellite data for information. Advances in technology such as the development of sense-and-avoid systems will soon allow Unmanned Aircraft Systems (UAS) to be flown alongside manned aircraft in non-segregated airspace. This research …
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Advancing Vegetation Monitoring Strategies in Arid Ecosystems Using Unmanned Aircraft Systems
Arid ecosystems present unique challenges for environmental monitoring using remotely sensed data because vegetation communities in drylands are often sparsely distributed and have heterogeneous species and soil composition. Unmanned Aircraft Systems (UAS) offer centimeter-scale spatial resolution …
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Pilot Skills and Aerodynamic Knowledge for Operating Smaller Unmanned Aircraft Systems
… knowledge necessary to operate smaller unmanned aircraft systems (UAS). Unmanned aircraft (UA) have been utilized successfully in the U.S. military for more than 20 years. Currently there is significant interest in integrating UAs into the National Airspace System (NAS) for government and …
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Virus constructed iron phosphate lithium ion batteries in unmanned aircraft systems
… devices. Today, battery powered Unmanned Aerial Systems (UAS) the size of a model plane such as the Raven allow soldiers to see dangerous situations and potential threats without ever needing to enter the area and put their lives in danger. This technology is saving lives and redefining warfare. …
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On the Security and Reliability of Fixed-Wing Unmanned Aircraft Systems
… security and reliability of fixed-wing unmanned aircraft systems (UAS). Specifically, we focus on three strands of work: i) designing UAS controllers with performance guarantees using the robust control framework, ii) developing tools for detection and mitigation of physical-layer security …
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Geologic Face Mapping Methodology Utilizing Global Positioning Systems and Unmanned Aircraft Systems
… area. Advancements in Global Positioning Systems (GPS), Unmanned Aircraft Systems (UAS), and software packages offer new tools and techniques for collecting high volume, accurate geologic information. These tools can provide geologists with safe and efficient ways to collect and process …
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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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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 theorems which …
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Testing the effects of violating component axioms in validation of complex aircraft systems
… faults in complex large-scale integrated aircraft systems, especially where they interact with, and control, the aircraft dynamics. A general assumption considered in the reliability of such systems is that any component level fault will be monitored, detected and corrected by some fault …
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A Behavioral Research Model for Small Unmanned Aircraft Systems for Data Gathering Operations
… Center, only 8% of U.S. citizens own an unmanned aircraft. Additionally, regarding feelings if U.S. citizens saw an unmanned aircraft flying close to where they live, 26% say they would be nervous, 12% feel angry, and 11% are scared. As of March 9, 2018, there were 1,050,328 U.S. small unmanned …
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Online Pilot Model Parameter Estimation for Loss-of-Control Prevention in Aircraft Systems
… to handle model nonlinearities and noise in the systems and sensors. In this respect, it held the best solution for this work given that it could correctly estimate the parameters. However, the filter had to be finely tuned to reach a solution. The Fourier Transform Regression method could only …
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Multispectral Remote Sensing of the Earth and Environment Using KHawk Unmanned Aircraft Systems
… 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 procedure for aerial map generation is described, followed by a …
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An Integrated Vehicle, Payload, and Trajectory Optimization Framework for Highly-Coupled Aircraft Systems
A class of highly-coupled aircraft systems is identified in Earth observation applications, where the aircraft design couples tightly with the science instrument design and the operation of both the aircraft and science payload. This dissertation identifies an opportunity to simultaneously optimize …
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A Patient Risk Minimization Model for Post-Disaster Medical Delivery Using Unmanned Aircraft Systems
… for delivery of medical supplies using unmanned aircraft systems, improving existing vehicle routing models by using patient risk as the primary minimization variable.</p> <p>The vehicle routing problem is a subset of operational research that utilizes mathematical models to identify the most …
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Small Unmanned Aircraft Systems: Operator Workload and Situation Awareness Utilizing First Person View Techniques
<p>The small, unmanned aircraft systems (sUAS) sector within the aviation industry is experiencing unprecedented growth. However, the regulatory guidance for the safe integration of sUAS into the National Airspace System (NAS) has not kept pace with this technological growth within the market. …
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Five Factor Model Personality Profiles of University of North Dakota Unmanned Aircraft Systems Students
… characteristics in the pilots of manned aircraft. However, analysis of similar characteristics of individuals interested in piloting Unmanned Aircraft (UA) remains relatively unexplored. This research examined the Five Factor Model (FFM) personality profiles of individuals pursuing …
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Enabling Autonomy in Commercial Aviation: An Ontology and Framework for Automating Unmanned Aircraft Systems (UAS)
… and more. However, these increasingly autonomous systems come with increasingly numerous and complex inputs that software must handle. This limitless set of inputs must ensure that autonomous system decisions will translate to operations that are safe for the general public. This thesis …
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