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 20 for “"Unmanned Air Vehicle"”.
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The parent-child unmanned air vehicle concept study
The Parent Child Unmanned Aerial Vehicle (PCUAV) concept was developed within the context of the MIT Draper Technology Development Partnership Project. A desire at Draper Laboratory to build a fixed wing surveillance airplane to enhance the capabilities of its unmanned vehicle fleet initiated the …
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Feature-based Mini Unmanned Air Vehicle Video Euclidean Stabilization with Local Mosaics
Video acquired using a camera mounted on a mini Unmanned Air Vehicle (mUAV) may be very helpful in Wilderness Search and Rescue and many other applications but is commonly plagued with limited spatial and temporal field of views, distractive jittery motions, disorienting rotations, and noisy and …
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Vision-based Target Localization from a Small, Fixed-wing Unmanned Air Vehicle
Unmanned air vehicles (UAVs) are attracting increased attention as their envelope of suitable tasks expands to include activities such as perimeter tracking, search and rescue assistance, surveillance and reconnaissance. The simplified goal of many of these tasks is to image an object for tracking …
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Integration of parent-child unmanned air vehicle focusing on control system development
As a part of PCUAV(Parent Child Unmanned Air Vehicle) project, the author participated in three areas. First, a study on the vehicle integration concept between a larger and two smaller UAVs are described. Various integration concepts were considered and compared from the point of view of …
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Design of a swept-wing High-Altitude Long-Endurance Unmanned Air Vehicle (HALE UAV)
High-altitude aircraft flying in the stratosphere (around 17-30 km altitude) can provide a useful platform for sensors to support a range of military and civilian surveillance tasks. The main topic of the thesis concerns the analysis of solar powered unmanned aerial vehicles designed for extended …
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Vehicle design, flight control avionics, and flight tests for the Parent and Child Unmanned Air Vehicle
The Parent and Child Unmanned Aerial Vehicle (PCUAV) is the second project to originate from the MIT / Draper Technology Development Partnership, which aims to develop first-of-a-kind systems. The PCUAV proposes a low-cost solution to long distance closeup observation, using the cooperative action …
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Design of an automatic landing system for twin rotor vertical take-off and landing unmanned air vehicle
… Bombardier's new vertical take-off and landing unmanned air vehicle (VTOL UAV), the company's design team were interested in exploring new ideas for automatically landing the craft. Bombardier established guidelines and limitations on performance in order to ensure the safety of the craft and …
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The Relationship Among HFACS Levels and Analysis of Human Factors in Unmanned and Manned Air Vehicles
… Accident Classification System levels for unmanned air vehicle and manned air vehicle accidents and the common relationships between unmanned air vehicle and manned air vehicle accident causes. The study acquired DOD HFACS accident classification data from 347 United States Air Force Class …
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Radio propagation analysis for improved UAV data muling of surfaced underwater sensor nodes
… for data muling water sensor nodes via unmanned air vehicle. We present a mathematical model for predicting signal strength with respect to distance and height using a two-ray propagation model in conjunction with the individual radiation patterns of transmitting and receiving antennas. …
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The Integration Of Audio Into Multimodal Interfaces: Guidelines And Applications Of Integrating Speech, Earcons, Auditory Icons, and Spatial Audio (SEAS)
… attention processing bottlenecks when conducting Unmanned Air Vehicle (UAV) control tasks. The results demonstrate that SEAS cues significantly enhance human performance on UAV control tasks, particularly response accuracy and reaction time on a secondary monitoring task. The results suggest that …
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Panoramic Video for Efficient Ground Surveillance from Small Unmanned Air Vehicles
As unmanned air vehicle (UAV) utilization increases in Wilderness Search and Rescue (WiSAR) efforts, onboard sensors yielding more information will be desired. UAVs can assist WiSAR efforts by accelerating the ground search process through returning quality aerial footage of the terrain. …
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Design of a Helicopter Deployable Ground Robotic System for Hazardous Environments
… focuses on the design of a helicopter deployable unmanned ground vehicle for use in hazardous environments, and presents the benefits of heterogeneous unmanned vehicle teams for operation in beyond line-of-site hazardous environments. The design of a ground robot that is capable of being flown on …
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Dendroarchaeology in the Mackenzie Mountains: The Moose Horn Pass Caribou Fence (KjRx-1)
… of fence use, near-infrared imaging using an unmanned air vehicle was employed to identify areas of high soil compaction. At its conclusion, the research produced a dendrochronological record exceeding 1000 years, which provided the means to determine end-dates for 81 dendroarchaeological …
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Spatial Ecology and Remote Sensing in the Precision Management of Tetranychus urticae (Acari: Tetranychidae)in Peanut
… using remote sensing technology in the field. An Unmanned Air Vehicle (UAV) was evaluated that carried a remote sensing system. The UAV remote sensing system was flown over peanut fields where it captured images, which were analyzed to show the spatial distribution of plant stress. Further studies …
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Remote Terrain Navigation for Unmanned Air Vehicles
There are many applications for which small unmanned aerial vehicles (SUAVs) are well suited, including surveillance, reconnaissance, search and rescue, convoy support, and short-range low-altitude perimeter patrol missions. As technologies for microcontrollers and small sensors have improved, so …
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Decentralized Control of Multiple UAVs for Perimeter and Target Surveillance
… of reliable autonomous technologies for small unmanned air vehicles (UAVs), the algorithms utilizing teams of these vehicles are becoming an increasingly important research area. Unfortunately, there is no unified framework into which all (or even most) cooperative control problems fall. Five …
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Development of a Miniature VTOL Tail-Sitter Unmanned Aerial Vehicle
… Vertical Take-Off and Landing (VTOL) tail-sitter Unmanned Aerial Vehicle (UAV) prototype is presented in detail. Classic aircraft design methods were combined with numerical analysis to estimate the aircraft performance and flight characteristics. The numerical analysis employed a propeller …
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Coalition Formation In Multi-agent Uav Systems
… work considers six different capabilities of Unmanned Air Vehicles (UAV) and determines the nature of the new operator in the context of each capability as coalitions (squadrons) of UAVs are formed. Coalitions are formed using three different search algorithms, both with and without …
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Path Planning for Unmanned Air and Ground Vehicles in Urban Environments
Unmanned vehicle systems, specifically unmanned air vehicles (UAVs) and unmanned ground vehicles (UGVs), have become a popular research topic. This thesis discusses the potential of a UAV-UGV system used to track a human moving through complex urban terrain. This research focuses on path planning …