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 41 for “"unmanned aerial system"”.
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Trusted Unmanned Aerial System Operations
Proving the correctness of autonomous systems is challenged by the use of non-deterministic artificial intelligence algorithms and ever-increasing lines of code. While correctness is conventionally determined through analysis and testing, it is impossible to train and test the system for all …
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Unmanned Aerial System for Monitoring Crop Status
As the cost of unmanned aerial systems (UAS) and their sensing payloads decrease the practical applications for such systems have begun expanding rapidly. Couple the decreased cost of UAS with the need for increased crop yields under minimal applications of agrochemicals, and the immense potential …
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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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Effect Of Operator Control Configuration On Unmanned Aerial System Trainability
Unmanned aerial systems (UAS) carry no pilot on board, yet they still require live operators to handle critical functions such as mission planning and execution. Humans also interpret the sensor information provided by these platforms. This applies to all classes of unmanned aerial vehicles …
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Machine Learning for Intrusion Detection into Unmanned Aerial System 6G Networks
… cyber and physical layers to form cyber-physical systems (CPS), such as the Unmanned Aerial System (UAS), which consists of an Unmanned Aerial Vehicle (UAV), ground network infrastructure, communication link, etc. Furthermore, it plays a crucial role in connecting objects to create and develop the …
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Implementation of Virtual Reality With Unmanned Aerial System (UAS) Traffic Management
… reality with a UAS Traffic Management (UTM) system. This system is based on a notional architecture for future development in air traffic management with smaller unmanned aircraft. This implementation aims to explore the viability of using VR to enhance users' situational awareness when …
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FEASIBILITY OF DETECTING AND CLASSIFYING SMALL UNMANNED AERIAL SYSTEM THREATS USING ACOUSTIC DATA
Unmanned aerial systems (UAS) have become a threat that the Department of Defense (DoD) must address. Malevolent actors have shown time and again that they will exploit any new technology for illicit ends. Current systems designed to defeat UAS threats have failed to demonstrate adequate …
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Integration of Macro-Fiber Composite Material on a Low Cost Unmanned Aerial System
<p>The development, deployment, and operation of Unmanned Aerial Systems (UAS) have grown exponentially in recent years and have provided researchers with the opportunity to gain hands-on experience with aircraft in a manner that was previously limited to institutions and companies with large …
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Detection of Tornado Damage via Convolutional Neural Networks and Unmanned Aerial System Photogrammetry
Disaster damage assessments are a critical component to response and recovery operations. In recent years, the field of remote sensing has seen innovations in automated damage assessments and UAS collection capabilities. However, little work has been done to explore the intersection of automated …
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COST ANALYSIS FOR 3D PRINTED COUNTER-UNMANNED AERIAL SYSTEM (C-UAS) GUIDED ROCKET PROTOTYPE
… of China. The growing usage of inexpensive unmanned aerial systems (UAS) in military engagements exposes a critical vulnerability of the United States. The United States largely relies on expensive and sophisticated ordnance that have long production lead times. Stockpiles of these munitions …
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Systems-theoretic process analysis of small unmanned aerial system use at Edwards Air Force Base
As the military moves forward with unmanned aerial vehicles, Edwards AFB must adjust its operations in order to accommodate testing these UASs in all stages of development. With a focus on Small UAS, this thesis applied Nancy Leveson's Systems-Theoretic Process Analysis to the problem to develop …
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Computational Modeling of Thoracic Injury Response due to Impact of a Small Unmanned Aerial System (SUAS)
<p>This study aims to establish a computational model that will predict the injury response after a sUAS impacts the thorax. A rotary and fixed winged sUAS were chosen for analysis. A vast number of numerical simulations were carried out with varying masses, impact velocities, and impact angles. …
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A software architecture towards automated data-driven multi-resolution crop scouting with an unmanned aerial system
… as crop damage from extreme weather. By using unmanned aerial systems (UAS) to obtain aerial imagery of the field, agronomists can hedge against unexpected events and develop scouting patterns driven by contemporary data. Yet, widespread adoption of UAS technology in precision agriculture is …
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Performance Analysis Of Non-Linear Adaptive Control Laws Using Hardware in the Loop of an Unmanned Aerial System
<p>In practical applications, an Unmanned Aerial System's (UAS) baseline performance is dictated by how well it can follow a given trajectory with limited stress on the actuators. However, these can be insufficient performance metrics when the UAS is allowed to adapt to an unpredicted external …
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An experimental study on the effects of adverse weathers on the flight performance of an Unmanned-Aerial-System (UAS)
<p>An experimental UAS was developed to study the effects of adverse weathers, including icing and strong winds, on the UAS flight performance. Sensors were integrated on board the UAS to take in-situ, time-resolved measurements of atmospheric parameters, including temperature, humidity, pressure, …
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System development considerations and point of interest guidance of an unmanned aerial system for remote sensing in commercial application
… of this thesis is to develop a contextual and system level understanding of an ISR (Intelligence, Surveillance and Reconnaissance) Unmanned Aerial System (UAS) for commercial application. The thesis is intended to support strategic decision making for creating and capturing value in the …
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Modeling Aircraft Position and Conservatively Calculating Airspace Violations for an Autonomous Collision Awareness System for Unmanned Aerial Systems
… the scheduled 30 September 2015 integration of Unmanned Aerial System (UAS) into the national airspace, the Federal Aviation Administration (FAA) is concerned with UAS capabilities to sense and avoid conflicts. Since the operator is outside the cockpit, the proposed collision awareness plugin …
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Pseudo Doppler Direction Finding System for Localizing Non-Cooperative VHF Transmitters with a Hybrid UAS
… specific applications. Commercial off the shelf systems exist for a wide range of applications from navigation to search and rescue and wildlife tracking. However these systems rely on commercially available VHF receivers and are limited in transmission modulation techniques and frequency ranges. …
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Development of a Remotely-Piloted Vehicle Platform to Support Implementation, Verification, and Validation of Pilot Control Systems
… to support performance evaluation of control systems designed to compensate for Pilot Induced Oscillations (PIOs). A remotely-piloted vehicle presented in this thesis consists of an RC aircraft modified to be flown from a ground station cockpit. The unmanned aerial system has a high-speed …
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The Effects of Rewards on the Ability of an Autonomous UAV Controlled by a Reinforcement Learning Agent to Accomplish a Target Localization Task
<p>The need for Unmanned Aerial System (UASs) is increasing in the fields of science, security, military and others. With an increasing number of challenges faced by mankind the need for system with advance autonomous and intelligent capabilities is growing rapidly. The required intelligent …
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