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Dissertations / Theses on the topic 'Unmanned Aerial Vehicles (UAVs) testing'

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1

Ostler, Jon N. "Flight Testing Small, Electric Powered Unmanned Aerial Vehicles." Diss., CLICK HERE for online access, 2006. http://contentdm.lib.byu.edu/ETD/image/etd1223.pdf.

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2

Garratty, Connor. "Developing and testing a forensic framework for civilian unmanned aerial vehicles." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2023. https://ro.ecu.edu.au/theses/2664.

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Unmanned Aerial Vehicles (UAVs) are a technology that allows a ground operator to pilot a small aircraft remotely, with minimal training. UAVs are utilised for commercial, recreational, military, and academic uses. Many industries are adopting UAVs to assist with tasks that would place humans in danger or otherwise not be possible. The customisability of UAVs leaves room for flexibility in their operation and use, being able to be retrofitted with other technology to specialise their use; for instance, thermal imaging cameras, weight distribution apparatus to support heavier payloads, and chem
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Simpson, Andrew D. "DESIGN AND EVALUATION OF INFLATABLE WINGS FOR UAVs." UKnowledge, 2008. http://uknowledge.uky.edu/gradschool_diss/589.

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Performance of inflatable wings was investigated through laboratory, wind tunnel and flight-testing. Three airfoils were investigated, an inflatable-rigidazable wing, an inflatable polyurethane wing and a fabric wing restraint with a polyurethane bladder. The inflatable wings developed and used within this research had a unique outer airfoil profile. The airfoil surface consisted of a series of chord-wise \bumps.andamp;quot; The effect of the bumps or \surface perturbationsandamp;quot; on the performance of the wings was of concern and was investigated through smoke-wire flow visualization. Ae
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Blaney, Sean. "Unmanned aerial vehicle-based non-destructive testing methods for concrete structures." Thesis, Elsevier; Cement and Concrete Composites, 2018. https://dspace.library.uvic.ca//handle/1828/9757.

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In this work, unmanned aerial vehicle-based non-destructive testing methods for concrete structures are evaluated and developed. There exists a need for improved infrastructure inspection techniques with increased expediency. Unmanned aerial vehicles (UAVs) are highly mobile and have shown promise towards achieving this directive, but more work is required to adapt traditional NDT methods to be UAV-compatible. To this end, concrete sounding techniques were evaluated with a quantitative acoustic frequency analysis procedure on a series of concrete slabs. One such method was adapted for use with
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5

SARTORI, DANIELE. "Design, Implementation and Testing of Advanced Control Laws for Fixed-wing UAVs." Doctoral thesis, Politecnico di Torino, 2014. http://hdl.handle.net/11583/2571146.

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The present PhD thesis addresses the problem of the control of small fixed-wing Unmanned Aerial Vehicles (UAVs). In the scientific community much research is dedicated to the study of suitable control laws for this category of aircraft. This interest is motivated by the several applications that these platforms can perform and by their peculiarities as dynamical systems. In fact, small UAVs are characterized by highly nonlinear behavior, strong coupling between longitudinal and latero-directional planes, and high sensitivity to external disturbances and to parametric uncertainties. Furthermore
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6

Doepke, Edward Brady. "DESIGN AND FLIGHT TESTING OF A WARPING WING FOR AUTONOMOUS FLIGHT CONTROL." UKnowledge, 2012. http://uknowledge.uky.edu/me_etds/20.

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Inflatable-wing Unmanned Aerial Vehicles (UAVs) have the ability to be packed in a fraction of their deployed volume. This makes them ideal for many deployable UAV designs, but inflatable wings can be flexible and don’t have conventional control surfaces. This thesis will investigate the use of wing warping as a means of autonomous control for inflatable wings. Due to complexities associated with manufacturing inflatable structures a new method of rapid prototyping deformable wings is used in place of inflatables to decrease cost and design-cycle time. A UAV testbed was developed and integrate
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7

Gatzke, Benjamin Thomas. "Trajectory optimization for helicopter Unmanned Aerial Vehicles (UAVs)." Thesis, Monterey, California : Naval Postgraduate School, 2010. http://edocs.nps.edu/npspubs/scholarly/theses/2010/Jun/10Jun%5FGatzke.pdf.

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Thesis (M.S. in Applied Mathematics)--Naval Postgraduate School, June 2010.<br>Thesis Advisor(s): Kang, Wei ; Second Reader: Zhou, Hong. "June 2010." Description based on title screen as viewed on July 14, 2010. Author(s) subject terms: Nonlinear model, trajectory optimization, state and control variables, cost function Includes bibliographical references (p. 59-60). Also available in print.
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8

Foster, Tyler Michael. "Dynamic Stability and Handling Qualities of Small Unmanned-Aerial-Vehicles UNMANNED-AERIAL-VEHICLES." BYU ScholarsArchive, 2004. https://scholarsarchive.byu.edu/etd/219.

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General aircraft dynamic stability theory was used to predict the natural frequencies, damping ratios and time constants of the dynamic modes for three specific small UAVs with wingspans on the scale from 0.6 meters to 1.2 meters. Using USAF DatCom methods, a spreadsheet program for predicting the dynamic stability and handling qualities of small UAVs was created for use in the design stage of new small UAV concept development. This program was verified by inputting data for a Cessna-182, and by then comparing the program output with that of a similar program developed by DAR Corporation. Pred
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9

Foster, Joseph D. "Swarming unmanned aerial vehicles (UAVs): extending Marine aviation ground task force communications using UAVs." Thesis, Monterey, California: Naval Postgraduate School, 2014. http://hdl.handle.net/10945/44564.

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Reissued 2 Mar 2015 to correct degree earned<br>Approved for public release; distribution is unlimited<br>Reissued 2 Mar 2015 to correct degree earned<br>Technological advances and research are pushing the application of unmanned vehicles in exciting directions. This thesis emphasis is on cost estimation for a new unmanned aerial vehicle (UAV) with swarm applications. The new swarm UAV theoretical can be designed to emulate the current unmanned aerial system (UAS) mission, and expand upon the communication relay mission. Small UASs have a line-of-sight capability limitation that leaves room fo
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10

Mishra, Debashisha. "Exploiting the synergies of unmanned aerial vehicles (UAVs) and 5G network." Electronic Thesis or Diss., Université de Lorraine, 2023. http://www.theses.fr/2023LORR0058.

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En tant que sujet en expansion de la robotique aérienne, les véhicules aériens sans pilote (UAV) ont fait l'objet d'une attention particulière de la part de la communauté de recherche sur les réseaux sans fil. Dès que les législations nationales permettront aux drones de voler de manière autonome, nous verrons des essaims de drones envahir le ciel de nos villes intelligentes pour accomplir diverses missions : livraison de colis, surveillance des infrastructures, vidéographie événementielle, surveillance, suivi, etc. Les réseaux cellulaires de cinquième génération (5G) et au-delà peuvent amélio
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Tuyishimire, Emmanuel. "Cooperative data muling using a team of unmanned aerial vehicles." University of the Western Cape, 2019. http://hdl.handle.net/11394/7067.

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Philosophiae Doctor - PhD<br>Unmanned Aerial Vehicles (UAVs) have recently o ered signi cant technological achievements. The advancement in related applications predicts an extended need for automated data muling by UAVs, to explore high risk places, ensure e ciency and reduce the cost of various products and services. Due to advances in technology, the actual UAVs are not as expensive as they once were. On the other hand, they are limited in their ight time especially if they have to use fuel. As a result, it has recently been proposed that they could be assisted by the ground static s
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12

Martin, Ronald Abraham. "Optimization-Based Spatial Positioning and Energy Management for Unmanned Aerial Vehicles." BYU ScholarsArchive, 2018. https://scholarsarchive.byu.edu/etd/7070.

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This research applies techniques from the field of optimization to spatial positioning and energy management in Unmanned Aerial Vehicles (UAVs). Two specific areas are treated: optimization of UAV view plans for 3D modeling of infrastructure, and trajectory optimization of solar powered high-altitude long-endurance (HALE) UAVs. Structure-from-Motion (SfM) is a computer vision technique for creating 3D models from 2D images. View planning is the process of planning image sets that will effectively model a given scene. First, a genetic algorithm based view planning approach is demonstrated.
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13

Zhou, Yan. "Development of a data collection system for small Unmanned Aerial Vehicles (UAVs)." Thesis, Cape Peninsula University of Technology, 2011. http://hdl.handle.net/20.500.11838/1299.

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Dissertation (MTech (Mechanical Engineering))--Cape Peninsula University of Technology, 2011<br>This paper presents the development of a data collection system for a small unmanned Aerial Vehicle (UAV) flight. The following three facets comprise of a UAV system: (1) a UAV aircraft; (2) onboard avionics; and (3) a ground control station subsystem (Taha et al., 2010:1). In this project, the UAV aircraft is based on the low-cost autonomous quad-rotator system named “Arducopter Quad”, where the onboard avionic system utilizes both an ArduPilot Mega (APM) on-board controller and IMU sensor shi
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Glassock, Richard R. "Design, modelling and measurement of hybrid powerplant for unmanned aerial vehicles (UAVs)." Thesis, Queensland University of Technology, 2012. https://eprints.qut.edu.au/61052/1/Richard_Glassock_Thesis.pdf.

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The success or effectiveness for any aircraft design is a function of many trade-offs. Over the last 100 years of aircraft design these trade-offs have been optimized and dominant aircraft design philosophies have emerged. Pilotless aircraft (or uninhabited airborne systems, UAS) present new challenges in the optimization of their configuration. Recent developments in battery and motor technology have seen an upsurge in the utility and performance of electric powered aircraft. Thus, the opportunity to explore hybrid-electric aircraft powerplant configurations is compelling. This thesis c
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15

Hung, Jane Yu-Chun. "Investigation of methods for increasing the energy efficiency on unmanned aerial vehicles (UAVS)." Thesis, Queensland University of Technology, 2011. https://eprints.qut.edu.au/46247/1/Jane_Hung_Thesis.pdf.

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In recent years, development of Unmanned Aerial Vehicles (UAV) has become a significant growing segment of the global aviation industry. These vehicles are developed with the intention of operating in regions where the presence of onboard human pilots is either too risky or unnecessary. Their popularity with both the military and civilian sectors have seen the use of UAVs in a diverse range of applications, from reconnaissance and surveillance tasks for the military, to civilian uses such as aid relief and monitoring tasks. Efficient energy utilisation on an UAV is essential to its functioning
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16

Chen, Ting B. "Management of multiple heterogeneous unmanned aerial vehicles through capability transparency." Thesis, Queensland University of Technology, 2016. https://eprints.qut.edu.au/101572/1/Ting_Chen_Thesis.pdf.

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The ability for an operator to control multiple Unmanned Aerial Vehicles (UAVs) is an emerging area of need for research. It is also one that is highly challenging. This thesis devised a novel way to represent UAV capabilities to the human operator to improve their cognitive abilities in controlling multiple UAVs in missions such as search and rescue. This PhD Cotutelle research program was a collaboration between QUT and Telecom Bretagne in France. Through numerous experimental trials held in both countries, the results showed that the mission operator’s cognitive abilities improved through g
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17

Clark, Spencer James. "Sensor-Driven Hierarchical Path Planning for Unmanned Aerial Vehicles Using Canonical Tasks and Sensors." BYU ScholarsArchive, 2013. https://scholarsarchive.byu.edu/etd/3798.

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Unmanned Aerial Vehicles (UAVs) are increasingly becoming economical platforms for carrying a variety of sensors. Building flight plans that place sensors properly, temporally and spatially, is difficult. The goal of sensor-driven planning is to automatically generate flight plans based on desired sensor placement and temporal constraints. We propose a simple taxonomy of UAV-enabled sensors, identify a set of generic sensor tasks, and argue that many real-world tasks can be represented by the taxonomy. We present a hierarchical sensor-driven flight planning system capable of generating 2D flig
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18

Casey, Julian L. "Analytical approach to multi-objective joint inference control for fixed wing unmanned aerial vehicles." Wright State University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=wright160431245463856.

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19

Chidurala, Manohar. "Dynamic Characteristics of Biologically Inspired Hair Receptors for Unmanned Aerial Vehicles." ScholarWorks@UNO, 2015. http://scholarworks.uno.edu/td/2040.

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The highly optimized performance of nature’s creations and biological assemblies has inspired the development of their engineered counter parts that can potentially outperform conventional systems. In particular, bat wings are populated with air flow hair receptors which feedback the information about airflow over their surfaces for enhanced stability and maneuverability during their flight. The hairs in the bat wing membrane play a role in the maneuverability tasks, especially during low-speed flight. The developments of artificial hair sensors (AHS) are inspired by biological hair cells in a
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20

Fridén, Tobias. "Robust Autonomous Landing of Fixed-Wing UAVs in Wind." Thesis, Linköpings universitet, Reglerteknik, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-165136.

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Fixed-wing UAVs are today used in many different areas, from agriculture to search and rescue operations. Through various research efforts, they are becoming more and more autonomous. However, the procedure of landing a fixed-wing UAV remains a challenging task, which requires manual input from an experienced pilot. This work proposes a novel method which autonomously performs such landings. The main focus is on small and light-weight UAVs, for which the wind acts as a major disturbance and has to be taken into account. Robustness to other disturbances, such as variations in environmental fact
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21

Bailon-Ruiz, Rafael. "Design of a wildfire monitoring system using fleets of Unmanned Aerial Vehicles." Thesis, Toulouse, INSA, 2020. http://www.theses.fr/2020ISAT0011.

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Les feux de forêt sont des incendies de végétation incontrôlés qui causent des dégâts importants à l’environnement, aux biens et aux personnes. Les actions de lutte contre de tels feux sont risqués et peuvent par conséquent bénéficier de techniques d'automatisation pour réduire l’exposition humaine. La télédétection aérienne est une technique qui permet d’obtenir des informations précises sur l’état d'un feu de forêt, afin que les équipes d’intervention puissent préparer des contre-mesures. Avec des véhicules aériens habités, elle expose les opérateurs à des risques élevés, qui peuvent être év
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22

Zanino, James A. "Uniform system for the rapid prototyping and testing of controllers for unmanned aerial vehicles." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1996. http://handle.dtic.mil/100.2/ADA322382.

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Thesis (M.S. in Aeronautical Engineering) Naval Postgraduate School, September 1996.<br>"September 1996." Thesis advisor(s): I. Kaminer. Includes bibliographical references (p. 81). Also Available online.
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23

TADDIA, Yuri. "Multispectral proximal remote sensing by unmanned aerial vehicles (UAVS): low-cost sensors application in precision agricolture and coastal monitoring." Doctoral thesis, Università degli studi di Ferrara, 2019. http://hdl.handle.net/11392/2478782.

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Negli ultimi anni l’uso di Aeromobili a Pilotaggio Remoto (APR), o semplicemente droni, ha interessato molti campi. La loro estrema versatilità li ha resi efficaci strumenti anche nel campo del telerilevamento, grazie alla crescente disponibilità di sensoristica installabile a bordo, da sistemi LiDAR (Light Detection And Ranging) a camere digitali di vario tipo. Tra queste ultime, è aumentato il numero di camere multispettrali a basso costo capaci di acquisire informazioni spettrali nel campo del vicino infrarosso. Grazie all’elevata risoluzione geometrica (centimetrica) che è possibile ragg
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Berner, Robert Andrew. "The effective use of multiple unmanned aerial vehicles in surface search and control." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2004. http://library.nps.navy.mil/uhtbin/hyperion/04Dec%5FBerner.pdf.

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25

Puttige, Vishwas Ramadas Engineering &amp Information Technology Australian Defence Force Academy UNSW. "Neural network based adaptive control for autonomous flight of fixed wing unmanned aerial vehicles." Awarded by:University of New South Wales - Australian Defence Force Academy. Engineering & Information Technology, 2009. http://handle.unsw.edu.au/1959.4/43736.

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This thesis presents the development of small, inexpensive unmanned aerial vehicles (UAVs) to achieve autonomous fight. Fixed wing hobby model planes are modified and instrumented to form experimental platforms. Different sensors employed to collect the flight data are discussed along with their calibrations. The time constant and delay for the servo-actuators for the platform are estimated. Two different data collection and processing units based on micro-controller and PC104 architectures are developed and discussed. These units are also used to program the identification and control
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Simmons, Benjamin Mason. "System Identification of a Nonlinear Flight Dynamics Model for a Small, Fixed-Wing UAV." Thesis, Virginia Tech, 2018. http://hdl.handle.net/10919/95324.

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This thesis describes the development of a nonlinear flight dynamics model for a small, fixed-wing unmanned aerial vehicle (UAV). Models developed for UAVs can be used for many applications including risk analysis, controls system design and flight simulators. Several challenges exist for system identification of small, low-cost aircraft including an increased sensitivity to atmospheric disturbances and decreased data quality from a cost-appropriate instrumentation system. These challenges result in difficulties in development of the model structure and parameter estimation. The small size may
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27

Imperial, Nuno. "O emprego táctico dos UAVS, em proveito da aquisição de objectivos, na Artilharia de Campanha." Master's thesis, Academia Militar. Direção de Ensino, 2008. http://hdl.handle.net/10400.26/7320.

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O presente Trabalho de Investigação Aplicada versa sobre o emprego táctico dos Unmanned Aerial Vehicles (UAVs), nas operações militares e a sua actuação em proveito da Aquisição de Objectivos (AqObj), na Artilharia de Campanha (AC). Os objectivos principais da investigação são: explicar a forma mais vantajosa do emprego táctico dos UAVs, para esse fim, e demonstrar que a AC pode ser a Entidade Primariamente Responsável pela futura Unidade de UAVs no Exército. Na metodologia adoptou-se uma abordagem qualitativa, através da construção de um Modelo de
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28

Kurkcu, Coskun Oveyik Kaan. "U.S. Unmanned Aerial Vehicles (UAVS) and Network Centric Warfare (NCW) impacts on combat aviation tactics from Gulf War I through 2007 Iraq /." Monterey, Calif. : Naval Postgraduate School, 2008. http://bosun.nps.edu/uhtbin/hyperion-image.exe/08Mar%5FKurkcu.pdf.

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Thesis (M.S. in Information Technology Management)--Naval Postgraduate School, March 2008.<br>Thesis Advisor(s): Simon, Cary ; Smith, Terry. "March 2008." Description based on title screen as viewed on May 1, 2008. Includes bibliographical references (p. 127-133). Also available in print.
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Oveyik, Kaan, and Coskun Kurkcu. "U.S. Unmanned Aerial Vehicles (UAVS) and Network Centric Warfare (NCW) impacts on combat aviation tactics from Gulf War I through 2007 Iraq." Thesis, Monterey, California. Naval Postgraduate School, 2008. http://hdl.handle.net/10945/4211.

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Approved for public release; distribution is unlimited<br>Unmanned, aerial vehicles (UAVs) are an increasingly important element of many modern militaries. Their success on battlefields in Afghanistan, Iraq, and around the globe has driven demand for a variety of types of unmanned vehicles. Their proven value consists in low risk and low cost, and their capabilities include persistent surveillance, tactical and combat reconnaissance, resilience, and dynamic re-tasking. This research evaluates past, current, and possible future operating environments for several UAV platforms to survey the ch
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30

Marchini, Brian Decimo. "Adaptive Control Techniques for Transition-to-Hover Flight of Fixed-Wing UAVs." DigitalCommons@CalPoly, 2013. https://digitalcommons.calpoly.edu/theses/1108.

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Fixed-wing unmanned aerial vehicles (UAVs) with the ability to hover combine the speed and endurance of traditional fixed-wing fight with the stable hovering and vertical takeoff and landing (VTOL) capabilities of helicopters and quadrotors. This combination of abilities can provide strategic advantages for UAV operators, especially when operating in urban environments where the airspace may be crowded with obstacles. Traditionally, fixed-wing UAVs with hovering capabilities had to be custom designed for specific payloads and missions, often requiring custom autopilots and unconventional airfr
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31

Philbrick, Robert Mark. "Effects of Haptic and 3D Audio Feedback on Pilot Performance and Workload for Quadrotor UAVs in Indoor Environments." BYU ScholarsArchive, 2012. https://scholarsarchive.byu.edu/etd/3369.

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Indoor flight of unmanned aerial vehicles (UAVs) has many applications in environments in which it is undesirable or dangerous for humans to be, such as military reconnaissance or searching for trapped victims in a collapsed building. However, limited visual feedback makes it difficult to pilot UAVs in cluttered and enclosed spaces. Haptic feedback combined with visual feedback has shown to reduce the number of collisions of UAVs in indoor environments; however, it has increased the mental workload of the operator. This thesis investigates the potential of combining novel haptic and 3D audio f
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Gonzalez, Castro Luis Nicolas. "Coherent design of uninhabited aerial vehicle operations and control stations." Thesis, Available online, Georgia Institute of Technology, 2006, 2006. http://etd.gatech.edu/theses/available/etd-05182006-172951/.

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33

Kringberg, Fredrika. "A Path Planning Approach for Context Aware Autonomous UAVs used for Surveying Areas in Developing Regions." Thesis, KTH, Mekatronik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-235926.

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Developing regions are often characterized by large areas that are poorly reachable or explored. The mapping and census of roaming populations in these areas are often difficult and sporadic. A recent spark in the development of small aerial vehicles has made them the perfect tool to efficiently and accurately monitor these areas. This paper presents an approach to aid area surveying through the use of Unmanned Aerial Vehicles. The two main components of this approach are an efficient on-device deep learning object identification component to capture and infer images with acceptable performanc
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34

Basson, Lionel. "Control allocation as part of a fault-tolerant control architecture for UAVs." Thesis, Stellenbosch : University of Stellenbosch, 2011. http://hdl.handle.net/10019.1/6722.

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Thesis (MScEng (Electrical and Electronic Engineering))--University of Stellenbosch, 2011.<br>ENGLISH ABSTRACT: The development of a control allocation system for use as part of a fault-tolerant control (FTC) system in unmanned aerial vehicles (UAVs) is presented. This system plays a vital role in minimising the possibility that a fault will necessitate the reconfiguration of the control, guidance or navigation systems of the aircraft by minimising the difference between the desired and achievable aircraft performance parameters. This is achieved by optimising the allocation of control ef
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Ait, Saadi Amylia. "Coordination of scout drones (UAVs) in smart-city to serve autonomous vehicles." Electronic Thesis or Diss., université Paris-Saclay, 2023. http://www.theses.fr/2023UPASG064.

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Le sujet des véhicules aériens sans pilote (VAP) est devenu un domaine d'étude prometteurtant dans la recherche que dans l'industrie. En raison de leur autonomie et de leur efficacitéen vol, les drones sont considérablement utilisés dans diverses applications pour différentestâches. Actuellement, l'autonomie du drone est un problème difficile qui peut avoir un impactà la fois sur ses performances et sur sa sécurité pendant la mission. Pendant le vol, les dronesautonomes sont tenus d'investiguer la zone et de déterminer efficacement leur trajectoire enpréservant leurs ressources (énergie liée à
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MARDANI, AFSHIN. "Communication-Aware UAV Path Planning." Doctoral thesis, Politecnico di Torino, 2020. http://hdl.handle.net/11583/2796755.

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Banks, Bradley. "The System Design of a Global Communications System for Military and Commercial use Utilizing High Altitude Unmanned Aerial Vehicles (UAVs) and Terrestrial Local Multipoint Distribution Service (LMDS) Sites." Thesis, Virginia Tech, 2000. http://hdl.handle.net/10919/32556.

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This thesis proposes the design of the UAV-LMDS communication system for military and commercial use. The UAV-LMDS system is a digital, wireless communication system that provides service using unmanned aerial vehicles (UAVs) flying at 60,000 ft. acting as communication hubs. This thesis provides background information on UAV-LMDS system elements, a financial analysis, theory, link budgets, system component design and implementation issues. To begin the design, we develop link budgets that are used to characterize system parameters. We present detailed antenna designs for the antennas aboa
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Bendig, Juliane Viktoria Verfasser], and Georg [Akademischer Betreuer] [Bareth. "Unmanned aerial vehicles (UAVs) for multi-temporal crop surface modelling. A new method for plant height and biomass estimation based on RGB-imaging / Juliane Viktoria Bendig. Gutachter: Georg Bareth." Köln : Universitäts- und Stadtbibliothek Köln, 2015. http://d-nb.info/1068619880/34.

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39

Branco, Luiz Henrique Castelo. "MANIAC: uma metodologia para o monitoramento automatizado das condições dos pavimentos utilizando VANTs." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/18/18143/tde-07082017-152050/.

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Sistemas de Transportes Inteligentes (STIs) englobam um conjuntos de tecnologias (Sensoriamento Remoto, Tecnologia da Informação, Eletrônica, Sistemas de Comunicação de Dados entre outros) que visam oferecer serviços e gerenciamento de tráfego avançado para meios de transporte rodoviário, aéreo e outros. A obtenção de informações a respeito das características e das condições do pavimento das estradas constitui uma parte importante dentro do sensoriamento nesses STIs. Investigar novas técnicas, metodologias e meios de automatizar a obtenção dessas informações é parte deste trabalho. Uma vez qu
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40

Castelli, Thomas. "Development of embedded image processing for low-altitude surveillance UAVs to assist operators in their mission." Thesis, Lyon, 2016. http://www.theses.fr/2016LYSES034.

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Cette thèse, effectuée en partenariat entre la société Survey Copter, le laboratoire Hubert Curien et la Direction Générale de l’Armement (DGA), répond à des besoins tant militaires que civils dans le cadre de l’utilisation de drones à basse altitude. Dans un premier temps nous avons focalisé nos recherches sur la détection d’objets mobiles pour les mini-drones de surveillance destinés aux applications militaires, tels que ceux opérés par Survey Copter. Nous présentons d’abord la méthode que nous avons développé qui consiste en une comparaison entre un flot optique et le flot estimé, l’objecti
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Brezina, Aron Jon. "Measurement of Static and Dynamic Performance Characteristics of Electric Propulsion Systems." Wright State University / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=wright1340066274.

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Tang, Zhiqi. "Commande référencée vision de drones aériens." Thesis, Université Côte d'Azur, 2021. http://www.theses.fr/2021COAZ4018.

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Cette thèse propose de nouvelles commandes basées sur un retour visuel pour le guidage de drones. Elle considère à la fois des scénarios impliquant un seul ou plusieurs véhicules. Pour le cas du guidage d'un seul véhicule, de nouvelles approches d'asservissement visuel basées image (IBVS) sont proposées pour les drones de type avion (fixed-wing) et les drones de type VTOL (Vertical Take-Off and Landing) opérant en environnements urbains ou encombrés. Des tâches de navigation dans un environnement complexe avec des capacités d'évitement d'obstacle sont considérées. Il s'agit en particulier de l
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Rubbestad, Gustav, and William Söderqvist. "Hacking a Wi-Fi based drone." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-299887.

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Unmanned Aerial Vehicles, often called drones or abbreviated as UAVs, have been popularised and used by civilians for recreational use since the early 2000s. A majority of the entry- level commercial drones on the market are based on a WiFi connection with a controller, usually a smart phone. This makes them vulnerable to various WiFi attacks, which are evaluated and tested in this thesis, specifically on the Ryze Tello drone. Several threats were identified through threat modelling, in which a set of them was selected for penetration testing. This is done in order to answer the research quest
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Hájek, Tomáš. "Záchranné systémy pro létající drony." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2015. http://www.nusl.cz/ntk/nusl-231662.

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This paper addresses the issue of security and integration of UAVs in air traffic operations and analyses possible risks. This work defines methodology to demonstrate airworthiness of the parachute recovery system under extreme climatic conditions. The first part of the methodology deals with the compliance performance requirements in external environment and the second part verifies performance parachute canopy. Methodology developed herein is subsequently verified by practical tests on parachute recovery system Galaxy GBS 10.
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De, Simone Leopoldo. "Ecological aspects of plants inhabiting Mediterranean cliffs. Challenges and prospects of life in vertical environments." Doctoral thesis, Universitat Politècnica de València, 2021. http://hdl.handle.net/10251/159877.

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[ES] Esta tesis investiga las oportunidades, desafíos y limitaciones para la investigación en el campo de la ecología vegetal, en el contexto de los acantilados mediterráneos. En concreto, las especies casmofiticas, cuyos hábitats naturales se caracterizan por su acusada pendiente. Las laderas de las montañas de piedra caliza en la proximidad del mar, en la parte central y occidental del área mediterránea se consideran objetos de estudio. Los estudios se llevaron a cabo en los cinturones costeros de montaña de las costas del noroeste de Sicilia y la costa diánica en la Comunidad Valenciana. E
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Shen, Ching-hang, and 沈景行. "An Unmanned Aerial Vehicles(UAVs) Parametric Design and Flight Validation." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/06849601685810496536.

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碩士<br>逢甲大學<br>航太與系統工程所<br>99<br>The design of Unmanned Aerial Vehicles (UAV) has been greatly matured, however, aerial vehicles’ flight performance is rarely tested and certified, not to mention corresponding studies. The cost of flight test always depends on researchers’ intention and testing items. To develop single-functioning aerial vehicles is the mainstream mode for cost efficiency, time saving and mobility. The application scope of UAV mainly caters to design needs, complies with civil aviation enactments, so as to keep on expanding. Based on “Ultra-light Amateur-built Flight Testing Gu
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Singh, Shashiprakash. "Autonomous Landing Of Unmanned Aerial Vehicles." Thesis, 2009. https://etd.iisc.ac.in/handle/2005/662.

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In this thesis the problem of autonomous landing of an unmanned aerial vehicle named AE-2 is addressed. The guidance and control technique is developed and demonstrated through numerical simulation results. The complete work includes Mathematical modeling, Control design, Guidance and State estimation for AE-2, which is a fixed wing vehicle with 2m wing span and 6kg weight. The aerodynamic data for AE-2 is available from static wind tunnel tests. Functional fit is done on the wind tunnel data with least squares method to find static aerodynamic coefficients. The aerodynamic forces and moment coeffi
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Singh, Shashiprakash. "Autonomous Landing Of Unmanned Aerial Vehicles." Thesis, 2009. http://hdl.handle.net/2005/662.

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In this thesis the problem of autonomous landing of an unmanned aerial vehicle named AE-2 is addressed. The guidance and control technique is developed and demonstrated through numerical simulation results. The complete work includes Mathematical modeling, Control design, Guidance and State estimation for AE-2, which is a fixed wing vehicle with 2m wing span and 6kg weight. The aerodynamic data for AE-2 is available from static wind tunnel tests. Functional fit is done on the wind tunnel data with least squares method to find static aerodynamic coefficients. The aerodynamic forces and moment coeffic
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Wang, Ming-chung, and 王閔正. "Guidance and Navigation of Unmanned Aerial Vehicles(UAVs) by Using the GPS." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/87928039078610102780.

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碩士<br>逢甲大學<br>航太與系統工程所<br>94<br>Nowadays in domestic, the development of Unmanned Aerial Vehicle (UAV) has been mature in many individual enterprise, military authority or institutes and colleges. However, the research for UAV with the autonomous flight is quite few. The vehicle should be able to navigate and implement missions via the onboard control system if we want the UAV to accomplish navigation independently. The goal of current work is to construct a system with Digital Signal Processor (DSP) served as the core of controller and in cooperated with Global Positioning System (GPS) to
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Weng, Tzu-Chieh, and 翁子傑. "Autonomous Navigation of Unmanned Aerial Vehicles (UAVs) by Using an Embedded System." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/46058075467319187212.

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碩士<br>逢甲大學<br>航太與系統工程所<br>98<br>The gist of this thesis is using LabVIEW to design a navigation system for the UAV (Unmanned Aerial Vehicle) with the embedded system ARK-3381. The flight maneuver, cruise or turn, is determined by the navigation system which is integrated with instruments that including GPS (Global Positioning System), altimeter and digital compass. After processing above flight information, ARK-3381 will command the servo controller to control servos to achieve certain position in order to operate the control surfaces, such as aileron and elevator to change the status of UAV.
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