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.
Results
Showing 1 to 20 of 85 for “"Unmanned aerial systems"”.
-
Adaptive control of Unmanned Aerial Systems
… for future high-performance, safety-critical systems such as air-breathing hypersonic vehicles. Adaptive flight control systems offer improved performance and increased robustness to uncertainties by virtue of their ability to adjust control parameters as a function of online measurements. …
-
Passivity-Based Control of Small Unmanned Aerial Systems
… used to expand the range of autonomous motion of unmanned aerial systems without prohibitively {color{black}increasing the computational cost of the resultant controller}. Passivity-based control presents a method to implement a static, nonlinear state feedback control law that stabilizes the …
-
Flying Qualities Built-in-Test for Unmanned Aerial Systems
<p>This paper presents a flying qualities built-in-test for UAS application with the scope limited to the longitudinal axis. A doublet input waveform excites the AV and both α and q are used by EUDKF to estimate the A and B matrices which are short period approximations of the system. ζ, ω, GM, PM, …
-
Large-Scale Unmanned Aerial Systems Traffic Density Prediction and Management
<p>In recent years, the applications of Unmanned Aerial Systems (UAS) has become more and more popular. We envision that in the near future, the complicated and high density UAS traffic will impose significant burden to air traffic management. Lot of works focus on the application development of …
-
Human-robot interaction for telemanipulation by small unmanned aerial systems
… Mission Specialist role in a telemanipulating unmanned aerial system (UAS). The emergence of commercial unmanned aerial vehicle (UAV) platforms transformed the civil and environmental engineering industries through applications such as surveying, remote infrastructure inspection, and …
-
Quantitative Approach and Departure Risk Assessment for Unmanned Aerial Systems
The usage of unmanned aerial systems (UAS), also called drones, has grown at an increasing rate, with expectations of the number of unmanned aircraft (UA) to triple between 2019 and 2023 as commercial and government usage of UAS increases as per the Federal Aviation Administration. As the usage of …
-
Quantitative Approach and Departure Risk Assessment for Unmanned Aerial Systems
As the use of Unmanned Aerial Systems (UAS) becomes more common in both civilian/commercial and military applications, so too has the risk of injury to individuals and third parties on the ground. The purpose of this research is to further enhance methods currently in use for performing flight path …
-
Autonomous Navigation for Unmanned Aerial Systems - Visual Perception and Motion Planning
L'abstract è presente nell'allegato / the abstract is in the attachment
-
Guidance and Control of Autonomous Unmanned Aerial Systems for Maritime Operations
… dissertation, guidance and control of autonomous unmanned aerial systems (UAS) are explored. Specifically, we investigate model reference adaptive control (MRAC) based systems for tailsitter UAS, and guidance and control of multi-rotor UAS for tactical maneuvering and coverage. Applications, both …
-
Environmental Monitoring of Cyanobacterial Harmful Algal Blooms Using Small Unmanned Aerial Systems
… a new CHAB detection method using small unmanned aerial systems (sUAS) with consumer-grade cameras was developed. When cyanobacteria were floating on the surface, CHABs detection through RGB band cameras and spectral enhancement techniques was efficient and accurate. sUAS were capable of …
-
FEASIBILITY OF INDIRECT FIRE FOR COUNTERING SWARMS OF SMALL UNMANNED AERIAL SYSTEMS
Counter-Unmanned Aerial Systems (C-UAS) technology struggles to keep up with the evolving threat posed by drones. This threat is compounded by the advent of Small Unmanned Aerial Systems (SUAS) operating together to accomplish tasks as an autonomous entity known as a swarm. The miniaturization of …
-
Adapting Small Unmanned Aerial Systems for Behavioral Research with Coastal Marine Mammals
… in weather and animal distribution patterns. Unmanned aerial systems (UAS) are important remote-sensing tools for studying a range of wildlife including terrestrial and aquatic flora and fauna. These systems offer flexible platforms for adding sensor packages needed for different applications, …
-
Distributed time-critical coordination strategies for unmanned aerial systems in cluttered environments
… planning and control for a group of cooperating unmanned aerial systems through cluttered and uncertain environments, subject to a broad range of coordination and temporal constraints. The proposed solution expands the type of time-critical missions that can be automated using cooperative motion …
-
Optimized routing of unmanned aerial systems to address informational gaps in counterinsurgency
… security forces. Although current Brigade level Unmanned Aerial Systems (UAS) can provide critical unadulterated views of progress with respect to these Logistical Lines of Operation (LLO), the majority of units continue to employ UASs for strictly conventional combat support missions. By …
-
Application of the AI-Enabled Unmanned Aerial Systems in Resolving Highway Construction Claims
… holistic strategies of such challenging affairs. Unmanned aerial vehicles (UAVs) have been innovated and limitedly practiced in specific military uses. Nonetheless, with the rapid boom of digitalization and its involvement in every field, UAV applications have changed into more beneficial, safe, …
-
Involuntary Signal-Based Grounding of Civilian Unmanned Aerial Systems (UAS) in Civilian Airspace
… involuntary signal-based grounding of civilian unmanned aerial systems (UAS) in unauthorized air spaces. The technique proposed here will forcibly land unauthorized UAS in a given area in such a way that the UAS will not be harmed, and the pilot cannot stop the landing. The technique will not …
-
Application of unmanned aerial systems and deep learning in high-throughput plant phenotyping
… with sampling bias. Technological innovations in unmanned aerial systems (UAS) with various sensors provide high-resolution data for high-throughput plant phenotyping. UAS image-based machine learning algorithms have been applied in plant phenotyping. However, only limited studies have evaluated …
-
Adversarial Learning based framework for Anomaly Detection in the context of Unmanned Aerial Systems
… are popularly studied in this context. The unmanned aerial system (UAS) can use contextual anomaly detection algorithms to identify interesting objects of concern in applications like search and rescue, disaster management, public security etc. This thesis presents a novel multi-stage …
-
Improving operational effectiveness of Tactical Long Endurance Unmanned Aerial Systems (TALEUAS) by utilizing solar power
This thesis develops, implements, and validates a hybrid energy-harvesting technique that enables extracting energy from the environment by utilizing convective thermals as a source of potential energy, and exploiting solar radiation for photovoltaic (PV) energy to achieve long endurance flight of …
-
Three Enabling Technologies for Vision-Based, Forest-Fire Perimeter Surveillance Using Multiple Unmanned Aerial Systems
… and autopilot technology have made miniature unmanned aerial systems (UASs) an important tool in the acquisition of information. This thesis addresses some of the challenges faced when employing UASs for forest-fire perimeter surveillance; namely, perimeter tracking, cooperative perimeter …
Page 1 of 5