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Dissertations / Theses on the topic 'UAV system'

Author: Grafiati

Published: 30 May 2022

Last updated: 31 July 2025

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1

Zamanzadeh, Amin. "MIMO system for Skeldar UAV System." Thesis, Linköping University, Communication Systems, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-16928.

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<p>This thesis examines the possibility of installing a wireless communication system based on multiple antennas, on an Unmanned Aerial Vehicle (UAV). The communication system is based on MIMO technology. This technology uses the fact that we can make use of several antennas at the transmitter and the receiver to create independent signal path which in turn can increase the roboustness of the communication link. Advantages and disadvantages of this new system arediscussed. However, this report concludes that the benefits of MIMO outweights the disadvantages.</p><p>Furthermore a simulation envi

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2

Bechtel, Wayne, Nathaniel Hathaway, Trevor Jerdee, et al. "Roving UAV IED interdiction system." Thesis, Monterey, California. Naval Postgraduate School, 2011. http://hdl.handle.net/10945/6957.

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Approved for public release; distribution is unlimited.<br>In support of the Naval Postgraduate School's Systems Engineering Capstone, a project team was formed from Cohort 311-093A to perform an analysis on the possibility of utilizing Unmanned Air Vehicles (UAVs) in campaign against improvised explosive devices (IEDs). The goal of the project was to determine if a weapon system is feasible to increase capabilities to the warfighter in the fight against the IED threat. The project scope was limited to the UAV classes with local (squad/battalion) control to provide an organic increase in capab

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3

Hung, David, Kennon McKeever, and Ricardo Ramirez. "HYBRID AUTOMATED UAV TARGET RECOGNITION SYSTEM." International Foundation for Telemetering, 2017. http://hdl.handle.net/10150/626985.

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Accurate image classification is one of the core challenges in computer vision. At the annual AUVSI SUAS competition, this challenge is faced in the form of ground target classification from an unmanned aerial vehicle (UAV). Additionally, due to the constraints imposed by the UAV platform, the system design must consider factors such as size, weight, and power consumption. To meet performance requirements while respecting such limitations, the system was broken into two subsystems: an onboard subsystem and a ground based subsystem.

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Lizarraga, Mariano I. "Autonomous landing system for a UAV." Thesis, Monterey California. Naval Postgraduate School, 2004. http://hdl.handle.net/10945/1655.

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Approved for public release, distribution is unlimited<br>This thesis is part of an ongoing research conducted at the Naval Postgraduate School to achieve the autonomous shipboard landing of Unmanned Aerial Vehicles (UAV). Two main problems are addressed in this thesis. The first is to establish communication between the UAV's ground station and the Autonomous Landing Flight Control Computer effectively. The second addresses the design and implementation of an autonomous landing controller using classical control techniques. Device drivers for the sensors and the communications protocol were d

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Hedlund, Daniel. "Motor system design for large UAV." Thesis, Mälardalens högskola, Akademin för innovation, design och teknik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-36223.

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This thesis investigates the viability of creating a fully electrical motorsystem for a large UAV capa-ble of VTOL. As of today only relatively small UAV's use fully electrical motors as their only sourceof propulsion, larger UAV's have to rely on more traditional combustion or jet engines. The reasonfor this is the low energy density of modern batteries compared to petroleum and diesel, even withhigh eciency standards on electric motors, this means that UAV's relying only on electric motorswill have a very short ight time and thus short operational range. To get around this dierentmethods tha

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Lizarraga, Mariano. "Autonomous landing system for a UAV /." Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2004. http://library.nps.navy.mil/uhtbin/hyperion/04Mar%5FLizarraga.pdf.

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Thesis (M.S. in Electrical Engineering)--Naval Postgraduate School, March 2004.<br>Thesis advisor(s): Roberto Cristi, Isaac Kaminer. Includes bibliographical references (p. 125). Also available online.

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7

Cakir, Zeynep. "Development Of A Uav Testbed." Master's thesis, METU, 2011. http://etd.lib.metu.edu.tr/upload/12613209/index.pdf.

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The development and testing for a UAV testbed to be used in academic research and undergraduate education is proposed in this thesis. Analysis on commercial off-the-shelf UAV systems and autopilots lead to the development of a custom, open-architecture and modular UAV testbed. The main focus is to support research in UAV control field and education of the undergraduate students. The integration and use of commercial-off-the-shelf avionics and air vehicle are described in detail. System performance is examined both in flight and on the ground. Results of the system tests show that the develope

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Kujansuu, Jyrki. "Små UAV-system för bataljonsnivån - en nyttoanalys." Thesis, Försvarshögskolan, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:fhs:diva-1691.

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Det pågår en transformering av svenska stridskrafter till följd av en förändradomvärldsbild och en teknisk utveckling. Obemannade farkoster studeras och bedömskunna tillföra värdefulla förmågor.Syftet med uppsatsen är att undersöka nyttan med små UAV-system för bataljonsnivånvid en internationell militär operation. De fyra utvalda basfunktionerna ledning,underrättelser, verkan och skydd utgör analysfaktorer.Uppsatsens resultat omfattar en kontextuell del och en teknisk del. Den omfattar även envärdering av små UAV-system i ett typfall, strid i bebyggelse. Uppsatsen visar att detfinns ett flert

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9

Ramirez, Alvarez Dennis André. "The Condor UAV System : A Concept Study." Thesis, KTH, Maskinkonstruktion (Inst.), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-192262.

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In this degree project in aerospace engineering, a preliminary design of a UAV (Unmanned Aerial Vehicle) was performed. The UAV was intended to be used as a complement to the Swedish maritime administration’s helicopters, which cannot operate under limited visibility conditions. Its main mission would consist of surveillance. The UAV was therefore designed for some series criteria that were based on the customers’ requirements. The primary literature that was used was John D. Andersons Aircraft performance and design. Otherwise, historical statistical data from other aircraft was used and nume

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Spaenlehauer, Ariane. "Decentralized monocular-inertial multi-UAV SLAM system." Thesis, Compiègne, 2019. http://www.theses.fr/2019COMP2494.

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Dans cette thèse, nous proposons un algorithme pour la localisation d’une flotte de UAVs autonomes dans le cadre de l’architecture des Systèmes-de-Systèmes. En particulier, notre objectif est que les UAVs autonomes puissent se localiser et générer une carte d’un environnement inconnu en utilisant le moins possible de capteurs embarqués sur chaque UAV : une caméra monoculaire dirigée vers l’avant et une centrale inertielle. Cette problématique est cruciale pour des applications telles que l’exploration de zones inconnues ou de missions de sauvetage et de reconnaissance. Les choix de conception

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11

Brake, Nicholas J. "Control System Development for small UAV Gimbal." DigitalCommons@CalPoly, 2012. https://digitalcommons.calpoly.edu/theses/838.

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The design process of unmanned ISR systems has typically driven in the direction of increasing system mass to increase stabilization performance and imagery quality. However, through the use of new sensor and processor technology high performance stabilization feedback is being made available for control on new small and low mass stabilized platforms that can be placed on small UAVs. This project develops and implements a LOS stabilization controller design, typically seen on larger gimbals, onto a new small stabilized gimbal, the Tigereye, and demonstrates the application on several small UAV

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Pham, Loc V., Brandon Dickerson, James Sanders, et al. "UAV swarm attack: protection system alternatives for Destroyers." Thesis, Monterey, California : Naval Postgraduate School, 2012. http://hdl.handle.net/10945/28669.

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Systems Engineering Project Report<br>The Navy needs to protect Destroyers (DDGs) from Unmanned Aerial Vehicle (UAV) attacks. The team, focusing on improving the DDG’s defenses against small radar cross section UAVs making suicide attacks, established a DRM, identified current capability gaps, established a functional flow, created requirements, modeled the DDG’s current sensing and engagement capabilities in Microsoft Excel, and used Monte Carlo analysis of 500 simulation runs to determine that four out of eight incoming IED UAVs are likely to hit the ship. Sensitivity analysis showed that im

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Palmberg, Sebastian, and Sara Westroth. "Model-based concept development of system in UAV." Thesis, Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-80907.

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There is a large number of design options to consider when designing aircraft vehicle systems for fighter aircraft, and there is a lack of tool support that provides an overview of these available design options. Various design options will bring consequences in terms of weight, performance, cost, etc. which is desired to be known in an early conceptual phase. Conventional methods, such as morphological matrix and design structure matrix, lack the ability to generate an overview and map complex systems. By studying model-based tools in form of ontologies and feature models in Protégé and Featu

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Martináková, Veronika. "Vyhodnocení snímků pořízených pomocí UAV." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2018. http://www.nusl.cz/ntk/nusl-390231.

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The master´s thesis deals with the application of unmanned aerial vehicle (UAV) in photogrammetry and mapping. The first part describes the UAV that was used for imaging, legislative restrictions resulting from its operations, planning and realization of the flight. The second part of this thesis is focused on processing results, especially on evaluation the accuracy of the results gained by UAV with and without a GNSS module. The data are evaluated in the 3rd accuracy rating class (ČSN 01 3410). The theoretical principles are explained as well. The main aim of the thesis is to demonstrate the

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Макеєв, Андрій Олександрович, and Andrii Oleksandrovich Makeiev. "Implementation of UAV systems on transport." Thesis, National Aviation University, 2021. https://er.nau.edu.ua/handle/NAU/51080.

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1. Повітряний кодекс України від 19.05.2011 № 3393-VI Режим доступу: https://zakon.rada.gov.ua/laws/show/3393-17/conv#n9 2. Pan-European drone safety rules have been approved by the European Parliament. News 12-06-2018. Official site of the European Parliament.URL: http://www.europarl.europa.eu/news/en/press-room/20180607IPR05239/eu-wide-rules-forsafety-of-drones-approved-by-european-parliament. 3. Юхименко К.І. Писаренко Н.Л. Врахування соціального аспекту в процесі оцінки конкуркнтноспроможності товару на ринку товарів та послуг для надзвичайних ситуаційна прикладі компанії-виробника дрон

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Fitzgerald, Pio. "Flight control system design for autonomous UAV carrier landing." Thesis, Cranfield University, 2004. http://hdl.handle.net/1826/840.

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The challenge of integrating the UAV fleet into the carrier landing operational structure with respect to navigation and control strategies is addressed. A simulation model was developed which includes an aircraft model, an atmosphere model and an aircraft carrier motion model. The six degree of freedom non-linear aircraft model is based on the aerodynamic characteristics of the Mk 4a Jindivik extended to include rudder, spoiler and thrust vectoring controls, and an undercarriage model. The atmosphere model includes a carrier landing atmospheric disturbance model. The six degree of freedom air

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Mahdoui, Chedly Nesrine. "Communicating multi-UAV system for cooperative SLAM-based exploration." Thesis, Compiègne, 2018. http://www.theses.fr/2018COMP2447/document.

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Dans la communauté robotique aérienne, un croissant intérêt pour les systèmes multirobot (SMR) est apparu ces dernières années. Cela a été motivé par i) les progrès technologiques, tels que de meilleures capacités de traitement à bord des robots et des performances de communication plus élevées, et ii) les résultats prometteurs du déploiement de SMR tels que l’augmentation de la zone de couverture en un minimum de temps. Le développement d’une flotte de véhicules aériens sans pilote (UAV: Unmanned Aerial Vehicle) et de véhicules aériens de petite taille (MAV: Micro Aerial Vehicle) a ouvert la

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Hemakumara, Madu Prasad. "UAV Parameter Estimation with Gaussian Process Approximations." Thesis, The University of Sydney, 2013. http://hdl.handle.net/2123/9414.

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Unmanned Aerial Vehicles (UAVs) provide an alternative to manned aircraft for risk associated missions and applications where sizing constraints require miniaturized flying platforms. UAVs are currently utilised in an array of applications ranging from civilian research to military battlegrounds. A part of the development process for UAVs includes constructing a flight model. This model can be used for modern flight controller design and to develop high fidelity flight simulators. Furthermore, it also has a role in analysing stability, control and handling qualities of the platform. Developing

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Klaus, Robert Andrew. "Development of a Sense and Avoid System for Small Unmanned Aircraft Systems." BYU ScholarsArchive, 2013. https://scholarsarchive.byu.edu/etd/3761.

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Unmanned aircraft systems (UAS) represent the future of modern aviation. Over the past 10 years their use abroad by the military has become commonplace for surveillance and combat. Unfortunately, their use at home has been far more restrictive. Due to safety and regulatory concerns, UAS are prohibited from flying in the National Airspace System without special authorization from the FAA. One main reason for this is the lack of an on-board pilot to "see and avoid" other air traffic and thereby maintain the safety of the skies. Development of a comparable capability, known as "Sense and Avoid"

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Green, Fredrik. "Counter Unmanned Aerial Systems, militär nytta med tekniska system för bekämpning av UAV." Thesis, Försvarshögskolan, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:fhs:diva-7557.

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Counter Unmanned Aerial Systems (CUAS) är namnet på förmågan att bekämpa UAV. I Försvarsmakten heter förmågan Anti-UAS. Den snabba utvecklingen av kommersiella UAV medför ökade hot mot Försvarsmaktens infrastrukturer och verksamheter. För att bekämpa UAV med god effekt krävs sammansatta tekniska system med radar och sensorer för att upptäcka och olika verkanssystem för att bekämpa UAV. Då CUAS förmågan inte är fullt implementerad i Försvarsmakten saknas tydlig kravställning för tekniska system för CUAS och dess förmåga för bekämpning. I detta arbete jämförs AUDS och Xpeller, två liknande tekni

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Cameron, Andrew R. Cherry John D. "Development of a UAV track injection and imagery presentation system /." Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1999. http://handle.dtic.mil/100.2/ADA361950.

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Thesis (M.S. in Information Technology Management) Naval Postgraduate School, March 1999.<br>"Maarch 1999". Thesis advisor(s): John Osmundson, Gary Porter. Includes bibliographical references (p. 73). Also available online. Mode of access: World Wide Web.

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Jaroń, Piotr, and Mateusz Kucharczyk. "Vision System Prototype for UAV Positioning and Sparse Obstacle Detection." Thesis, Blekinge Tekniska Högskola, Sektionen för ingenjörsvetenskap, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-4663.

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For the last few years computer vision due to its low exploitation cost and great capabilities has been experiencing rapid growth. One of the research fields that benefits from it the most is the aircrafts positioning and collision avoidance. Light cameras with low energy consumption are an ideal solution for UAVs (Unmanned Aerial Vehicles) navigation systems. With the new Swedish law – unique to Europe, that allows for civil usage of UAVs that fly on altitudes up to 120 meters, the need for reliable and cheap positioning systems became even more dire. In this thesis two possible solutions for

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Dalili, Caroline. "Markstation : koncept för en användarvänlig markstation i ett UAV-system." Thesis, Högskolan på Gotland, Institutionen för humaniora och samhällsvetenskap, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:hgo:diva-706.

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Syftet med det här projektet var att utforma en användarvänlig markstation till ett UAV-system. UAV står för Unmanned Aerial Vehicle och är benämningen på den obemannade luftfarkosten i ett UAV-system. Det aktuella UAV-systemet i det här projektet består av en UAV, eller drönare som den även kallas, och en markstation. Markstationen innehåller en R/C (Radio Control, styrenhet för manuell radiostyrning), en laptop och en antenn för videonerladdning. Drönaren styrs från marken av enoperatör via R/C:n men kan även flyga autonomt vilket innebär att operatören iförväg programmerat in en rutt med GP

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Cameron, Andrew R., and John D. Cherry. "Development of a UAV track injection and imagery presentation system." Thesis, Monterey, California: Naval Postgraduate School, 1999. http://hdl.handle.net/10945/13584.

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The Navy is increasingly using advanced Unmanned Air Vehicles (UAVs) to perform critical missions. UAVs have grown in capability, while the Navy's underlying Command and Control structure has changed little to take advantage of the advances in technology. While UAVs are rapidly developing the potential to be effective combat tools, learning how to utilize this potential in an integrated Command and Control environment is hampered by a lack of UAV connectivity. This thesis develops a methodology for using UAV telemetry data packets to inject tracks of the UAV into a Command and Control system s

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Alsalam, Bilal. "A small autonomous UAV for detection and action in precision agriculture." Thesis, Queensland University of Technology, 2017. https://eprints.qut.edu.au/104318/1/Bilal%20Hazim%20Younus_Alsalam_Thesis.pdf.

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This thesis develops a framework for Unmanned Aerial Vehicles (UAVs) with on-board computer for the purpose of detection and action in agriculture and other Remote Sensing tasks. This system has potential applications in the field of precision agriculture such as, invasive weed detection and eradication. The method is based on vision-based-detection and navigation that autonomously detects a target (e.g. weed) and takes action, such as spraying herbicide. The system was tested in simulation and in outdoors experiments at a farm in south-east Queensland, Australia. The results of this system ha

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Charvat, Robert C. "Surveillance for Intelligent Emergency Response Robotic Aircraft (SIERRA Project)." University of Cincinnati / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1337888115.

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Moraes, Rodrigo Saar de. "A distributed cooperative multi-UAV coordination system for crowd monitoring applications." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2018. http://hdl.handle.net/10183/180131.

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Ao observar a situação atual, na qual atos de vandalismo e terrorismo tornaram-se frequentes e cada vez mais presentes ao redor do mundo, principalmente em grandes cidades, torna-se clara a necessidade de equipar as forças policiais com tecnologias de observação e monitoramento inteligentes, capazes de identificar e monitorar indivíduos potencialmente perigosos que possam estar infiltrados nas multidões. Ao mesmo tempo, com sua recente popularização, veículos aéreos não tripulados, também chamados VANTs e conhecidos popularmente como "drones", acabaram por tornar-se ferramentas baratas e efici

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Seyyedhasani, Hasan. "INTELLIGENT UAV SCOUTING FOR FIELD CONDITION MONITORING." UKnowledge, 2018. https://uknowledge.uky.edu/ece_etds/113.

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Precision agriculture requires detailed and timely information about field condition. In less than the short flight time a UAV (Unmanned Aerial Vehicle) can provide, an entire field can be scanned at the highest allowed altitude. The resulting NDVI (Normalized Difference Vegetation Index) imagery can then be used to classify each point in the field using a FIS (Fuzzy Inference System). This identifies areas that are expected to be similar, but only closer inspection can quantify and diagnose crop properties. In the remaining flight time, the goal is to scout a set of representative points maxi

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Garcia, Richard D. "A Modular Onboard Processing System for Small Unmanned Vehicles." Scholar Commons, 2006. http://scholarcommons.usf.edu/etd/3755.

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This work describes the design and implementation of a generic lightweight onboard processing system for miniature Unmanned Vehicles (UVs) that is computationally powerful and highly adaptable. First, several classical approaches to giant scale and full size UV onboard processing systems are described along with their corresponding limitations. Second, a detailed study is presented that describes the key characteristics of an onboard system along with associated limitations. Next, an implementation of a generic onboard system capable of vision processing and servo based control is presented al

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Isik, Sinem. "Flight Control System Design For An Over Actuated Uav Against Actuator Failures." Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/3/12611652/index.pdf.

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This thesis describes the automatic flight control systems designed for a conventional and an over actuated unmanned air vehicle (UAV). A nonlinear simulation model including the flight mechanics equations together with the interpolated nonlinear aerodynamics, environmental effects, mass-inertia properties, thrust calculations and actuator dynamics is created<br>trim and linearization codes are developed. Automatic flight control system of the conventional UAV is designed by using both classical and robust control methods. Performances of the designs for full autonomous flight are tested throu

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Bagheri, Shahriar. "Modeling, Simulation and Control System Design for Civil Unmanned Aerial Vehicle (UAV)." Thesis, Umeå universitet, Institutionen för tillämpad fysik och elektronik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-96458.

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Unmanned aerial systems have been widely used for variety of civilian applications over the past few years. Some of these applications require accurate guidance and control. Consequently, Unmanned Aerial Vehicle (UAV) guidance and control attracted many researchers in both control theory and aerospace engineering. Flying wings, as a particular type of UAV, are considered to have one of the most efficient aerodynamic structures. It is however difficult to design robust controller for such systems. This is due to the fact that flying wings are highly sensitive to control inputs. The focus of thi

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Kolar, Ramesh. "Business Case Analysis of Medium Altitude Global ISR Communications (MAGIC) UAV System." Thesis, Monterey, California. Naval Postgraduate School, 2012. http://hdl.handle.net/10945/7369.

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This study is a business case analysis of a Medium Altitude Global ISR Communication (MAGIC) UAV system. The MAGIC platform is analyzed together with three other medium-altitude ISR platforms. A cost model for RDT and E and O and S for the MAGIC is developed based on historical data. A baseline case for MAGIC is then developed with Average Production Unit Cost (APUC) of $17M, RDT and E cost of $510M, and discount factor of 0.025 for the analysis. A Net Present Value of Life Cycle Cost (NPVLCC) and a return ratio as defined by the ratio of the NPVLCC of alternative platforms to the NPVLCC of

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Leighton, Joshua (Joshua C. ). "System design of an unmanned aerial vehicle (UAV) for marine environmental sensing." Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/79161.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2013.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (p. 68-70).<br>Technological improvements over the past decade have led to the widespread use of autonomous surface and underwater vehicles for data collection in marine environmental sensing and modeling in coastal environments. However, these vehicles and their sensors still

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Böhm, Florian, and Axel Schulte. "UAV Autonomy Research - Challenges and Advantages of a Fully Distributed System Architecture." International Foundation for Telemetering, 2012. http://hdl.handle.net/10150/581826.

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A fully distributed system concept solely based on networked sensor and processing subsystem modules, both on-board of an UAV and on the side of the user interface, allows scalable systems, adaptability of the control system hierarchy without hardware changes, and a quick exchange of individual system modules. Reliable results in UAV autonomy research are requiring documentation and detailed reasoning of events and decisions during the flight tests, especially in experiments with real UAV demonstrators. This must also be ensured in the case of not available communication links. The optimal int

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Geldenhuys, Heinrich Jacques. "Aerodynamic development of a contra-rotating shrouded rotor system for a UAV." Thesis, Stellenbosch : Stellenbosch University, 2015. http://hdl.handle.net/10019.1/97056.

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Thesis (MSc)--Stellenbosch University, 2015.<br>ENGLISH ABSTRACT: Unmanned aerial vehicles with vertical take-off and landing capabilities have received extensive attention worldwide in the last decade. Their low detectability, high manoeuvrability in confined spaces, and their capability for out-of-sight operations make them practical solutions for an array of military and civilian missions. The main advantage of shrouded rotors in hover and low speed conditions is the decreased blade tip induced drag when the tip gap is small enough. A well-designed shroud augments the rotor thrust in hover

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Srisamang, Richard, Richard Todd, Sudarshan Bhat, and Terry Moore. "UAV INTEGRATED VISUAL CONTROL AND SIMULATION SYSTEM ARCHITECTURE AND CAPABILITIES IN ACTION." International Foundation for Telemetering, 2000. http://hdl.handle.net/10150/606815.

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International Telemetering Conference Proceedings / October 23-26, 2000 / Town & Country Hotel and Conference Center, San Diego, California<br>Unmanned Aerial Vehicles (UAV) are becoming a significant asset to the military. This has given rise to the development of the Vehicle Control and Simulation System (VCSS), a low-cost ground support and control system deployable to any UAV testing site, with the capability to support ground crew and pilot training, real-time telemetry simulation, distribution, transmission and reception, mission planning, and Global Positioning System (GPS) receptio

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Rosenberg, Abigail Stella. "An Evaluation of a UAV Guidance System with Consumer Grade GPS Receivers." Diss., The University of Arizona, 2009. http://hdl.handle.net/10150/194506.

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Remote sensing has been demonstrated an important tool in agricultural and natural resource management and research applications, however there are limitations that exist with traditional platforms (i.e., hand held sensors, linear moves, vehicle mounted, airplanes, remotely piloted vehicles (RPVs), unmanned aerial vehicles (UAVs) and satellites). Rapid technological advances in electronics, computers, software applications, and the aerospace industry have dramatically reduced the cost and increased the availability of remote sensing technologies.Remote sensing imagery vary in spectral, spatia

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Mize, Lloyd B. IV. "Development of a Multiple Vehicle Collaborative Unmanned Aerial System." VCU Scholars Compass, 2011. http://scholarscompass.vcu.edu/etd/2527.

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The purpose of this research was to design a multiple UAV system with collaborative operation. This project is built on work that has been done in the field of Unmanned Systems at VCU and is aimed at providing a starting point for research into collaborative control of multiple UAVs. The current GCS software was extended to include multiple vehicles per single controller via a new communication protocol. Many changes were made to the user interface to facilitate controlling multiple vehicles with a single operator. A second processor, called an MCS, was added to each vehicle to allow for g

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Pho, Tam P., and Henry D. Wysong. "DEVELOPMENT OF AN UNMANNED AIRBORNE TELEMETRY TRACKING AND RELAY SYSTEM." International Foundation for Telemetering, 2007. http://hdl.handle.net/10150/604560.

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ITC/USA 2007 Conference Proceedings / The Forty-Third Annual International Telemetering Conference and Technical Exhibition / October 22-25, 2007 / Riviera Hotel & Convention Center, Las Vegas, Nevada<br>Aerocross Systems, Inc. is developing a low-cost unmanned airborne telemetry relay system to augment the USAF Air Armament Center’s Eglin Gulf Range instrumentation resources. The system is designed to remotely autotrack and relay S-Band telemetry and VHF/UHF voice communications from test articles beyond the line-of-sight of land-based instrumentation. The system consists of a medium alti

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McBride, Jefferson. "Flight Control System for Small High-Performance UAVs." VCU Scholars Compass, 2010. http://scholarscompass.vcu.edu/etd/2294.

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This thesis documents a research project in which an autonomous flight control system (FCS) was designed to control and navigate small, high-speed, unmanned, jet-turbine powered fixed-wing aircraft. The FCS was designed to allow the aircraft to maintain controlled flight, and return to a home location, without any operator intervention. The flight control computer was built with an FPGA, using a Microblaze soft-core microprocessor running the uClinux operating system. The configurable FPGA computing platform allowed flexibility for interfacing quickly with a wide range of sensors and control m

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Meyer, Danielle L. "Energy Optimization of a Hybrid Unmanned Aerial Vehicle (UAV)." The Ohio State University, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=osu1523493111005807.

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Belzer, Jessica A. "Unmanned Aircraft Systems in the National Airspace System: Establishing Equivalencyin Safety and Training Through a Fault Tree Analysis Approach." Ohio University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1492778505498031.

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Cakici, Ferit. "Modeling, Stability Analysis And Control System Design Of A Small-sized Tiltrotor Uav." Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/12610435/index.pdf.

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Unmanned Aerial Vehicles (UAVs) are remotely piloted or self-piloted aircrafts that can carry cameras, sensors, communications equipment or other payloads. Tiltrotor UAVs provide a unique platform that fulfills the needs for ever-changing mission requirements by combining the desired features<br>hovering like a helicopter and reaching high forward speeds like an airplane. In this work, the conceptual design and aerodynamical model of a realizable small-sized Tiltrotor UAV is constructed, the linearized state-space models are obtained around the trim points for airplane, helicopter and conversi

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Syversen, Christoffer Lie, and Robert Skulstad. "Low-cost instrumentation system for recovery of fixed-wing UAV in a net." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for teknisk kybernetikk, 2014. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-25992.

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This thesis considers the feasibility of using an inexpensive Real-Time Kinematic Global Positioning System (RTK-GPS) unit to provide position data to support a high precision landing of an Unmanned Aerial Vehicle (UAV) into a net. Both dynamic- and stationary-net platforms were considered and custom guidance controllers were designed for both applications. Fully functioning, the system is intended to remove the need of a pilot when operating UAVs from confined platforms. The ArduPilot Mega (APM) was the selected micro-controller for providing the approach guidance. It already supported autono

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Coelho, Vishal Savio. "Localization system for UAV/UGV in urban environments." 2009. http://hdl.handle.net/10106/2020.

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Chia-YuLee and 李家有. "UAV Cloud Surveillance System." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/31355260036777330068.

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碩士<br>國立成功大學<br>航空太空工程學系<br>102<br>The unmanned aerial vehicles (UAV) are usually used as Surveillance system for air watch and data acquisition. The traditional system UAV data acquisition system obtains flight information by discrete configuration just one by one. To share flight information, the Android smart phone system is selected instead of the traditional sensors and data acquisition by 3G communication. The web server offers MySQL database management for all sensors data and converts into flight information. Google Maps and Google Earth display clearly flight information including loc

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Santos, Diogo Dias dos. "Wireless UAV restraining system." Master's thesis, 2019. http://hdl.handle.net/10071/20271.

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The large growth in the number of UAVs for civil use has been accompanied by an increase in the number of incidents with these devices, causing several problems to the authorities, since sometimes they are used in restricted areas, which may lead to disruption to air traffic and possibly endanger human lives. That increases the need of detection systems, such as radars, which sometimes have a high cost. In this thesis, a Low-cost Software Defined Radio based Frequency Modulated Continuous Wave (FMCW) Radar is developed, for real time target detection. For the software part, GNU Radio is

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HUNG, PEI-YUAN, and 洪培原. "UAV Cloud Control System." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/42009185192089452612.

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碩士<br>中華大學<br>機械工程學系<br>104<br>This project is primarily from the data received from the sensor on the vehicles, transformed to database and transformed to the cloudy disk. Nobody vehicle clouding control system can be contributed on the web, and the user can observe nobody vehicle through the web observation or get the data from the cloudy data. In other word, the user can touch the phones and look the data through the vehicles. Without any kind observation software or any carrying instruments carried by man to do any human behaviors. By using sever and carrying vehicles, GPS、 sensors、vision

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CHEN, WU-CHI, and 陳武記. "UAV Extinguish Device System Design." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/75343t.

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碩士<br>實踐大學<br>工業產品設計學系碩士在職專班<br>107<br>According to the statistics from 2012 to 2017 published by the National Fire Agency, Ministry of the Interior, among the cases of fire disaster in recent years, factory is one of the top three places a fire disaster occurred the most. Yet, speaking of the hardship to extinguish a fire disaster at factory, the place usually owns a wide area to store numerous flammable materials and expensive equipment, so the place does not often adopt many fire compartments to separate areas only for the sake of convenience. Therefore, compared with other types of buildin

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HUANG, KUO-FEI, and 黃國斐. "System Management Evaluation of Anti-UAV Defense System." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/5uz73q.

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碩士<br>中華科技大學<br>飛機系統工程研究所<br>106<br>Due to the rapid advancement of communication and navigation technology and electronics industry, unmanned aerial vehicle technology has been widely used in various fields, such as aerial photography, surveying and mapping, agriculture, and intelligence survellience. Although technology brings convenience, it also has a major impact on the privacy of the general public and the fly safety. Therefore, many technologies and systems of countering unmanned aerial vehicles have emerged. Although the use of unmanned aerial vehicles has been initially regulated in a

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