Дисертації з теми "Uninhabited Aerial Vehicles"
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Rivera, Gilbert D. "Turbochargers to small turbojet engines for uninhabited aerial vehicles." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1998. http://handle.dtic.mil/100.2/ADA346353.
Повний текст джерелаThesis advisor(s): Garth V. Hobson, David W. Netzer. "June 1998." Includes bibliographical references (p. 73). Also available online.
Richard, Mark G. "Cooperative control of distributed autonomous systems with applications to wireless sensor networks." Thesis, Monterey, Calif. : Naval Postgraduate School, 2009. http://edocs.nps.edu/npspubs/scholarly/theses/2009/Jun/09Jun%5FRichard.pdf.
Повний текст джерелаThesis Advisor(s): Lee, Deok Jin ; Kaminer, Issac I. "June 2009." Description based on title screen as viewed on 13 July 2009. Author(s) subject terms: Unmanned Aerial Vehicle, UAV, extremum seeking, simulink, high bandwidth communication links, SNR Model, coordinated control, cooperative control, decentralized control, wireless sensor network. Includes bibliographical references (p. 51). Also available in print.
Patchett, Charles H. "On the derivation and analysis of decision architectures for uninhabited air systems." Thesis, Cranfield University, 2011. http://dspace.lib.cranfield.ac.uk/handle/1826/8033.
Повний текст джерелаGonzalez, 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/.
Повний текст джерелаNesbit, Paul R. "Uninhabited Aerial Vehicles and Structure from Motion| A fresh approach to photogrammetry." Thesis, California State University, Long Beach, 2014. http://pqdtopen.proquest.com/#viewpdf?dispub=1526938.
Повний текст джерелаThree-dimensional mapping and modeling can contribute to knowledge about the real world. Techniques are largely driven by available technology and typically involve expensive equipment and expert skill. Recent advances have led to low-cost remotely sensed data collection and generation of 3D terrain models using Uninhabited Aerial Vehicles (UAV) and Structure from Motion (SfM) processing software. This research presents a low-cost alternative to 3D mapping by pairing UAV collection methods with three SfM processing techniques. Surface models are generated from the same image set captured from a low-cost UAV coupled with a digital camera. Accuracy of resulting models identifies strengths and weaknesses of each technique. Analysis of different slope ranges investigates the divide at which surfaces generated become less reliable. This research provides a deeper understanding of the strengths and limitations of emerging technologies used together in a fresh approach to photogrammetry.
Ellwood, Jeffrey L. "Design and construction of a composite airframe for UAV research." Thesis, Monterey, California : Naval Postgraduate School, 1990. http://handle.dtic.mil/100.2/ADA232422.
Повний текст джерелаThesis Advisor(s): Howard, Richard M. Second Reader: Lindsey, Gerald H. "June 1990." Description based on signature page as viewed on October 21, 2009. DTIC Identifier(s): Composite materials, ducted fan, airframes, vertical takeoff aircraft, remotely piloted vehicles. Author(s) subject terms: UAV, composites, AROD, TDF, RPV, ducted fan, vertical takeoff. Includes bibliographical references (p. 74-75). Also available online.
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.
Повний текст джерелаYildiz, Bahri. "Exploration of the use of unmanned aerial vehicles along with other assets to enhance border protection." Thesis, Monterey, Calif. : Naval Postgraduate School, 2009. http://edocs.nps.edu/npspubs/scholarly/theses/2009/Jun/09Jun%5FYildiz.pdf.
Повний текст джерелаThesis Advisor(s): Horne, Gary E. "June 2009." Description based on title screen as viewed on July 13, 2009. Author(s) subject terms: border security, border protection, border patrol, unmanned aerial system (UAS), UAV, MANA, Nearly-Orthogonal Latin Hypercube, regression tree, linear regression. Includes bibliographical references (p. 89-93). Also available in print.
Calhoun, Sean M. "Six Degree-of-Freedom Modeling of an Uninhabited Aerial Vehicle." Ohio University / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1149543622.
Повний текст джерелаLion, Stephen Todd. "Control Authorities of a Distributed Actuation and Sensing Array on a Blended-Wing-Body Uninhabited Aerial Vehicle." NCSU, 2007. http://www.lib.ncsu.edu/theses/available/etd-03272007-011124/.
Повний текст джерелаDegen, Shane C. "Reactive image-based collision avoidance system for unmanned aircraft systems." Thesis, Queensland University of Technology, 2011. https://eprints.qut.edu.au/46969/1/Shane_Degen_Thesis.pdf.
Повний текст джерелаLai, John. "A hidden Markov model and relative entropy rate approach to vision-based dim target detection for UAV sense-and-avoid." Thesis, Queensland University of Technology, 2010. https://eprints.qut.edu.au/34462/1/John_Lai_Thesis.pdf.
Повний текст джерелаJordan, Kenneth Gary. "Development of prototype UCAV airframe components using advanced composite materials." Thesis, 2004. http://hdl.handle.net/10321/1930.
Повний текст джерелаThe study presented here addresses the design of the composite wing and canard structures for an -un-inh-ab-it-ed-combat air vehicle. The desian philosophy is based on a ~- combination of finite element analysis and mathematical programming. The wings and canards were manufactured using advanced composite materials. the manufacturing methodology was based on a rapid protoryping approach using 3D computer models and eNe machining. The theory of composite materials is covered in detail, attention IS given to the properties of the separate constituents, composite material properties and manufacturing methods that are relevant to the project. The finite element method and sequential linear programming are discussed in the context of structural analysis and optimisation. An overview of the methodology and how it is implemented is presented. Numerical optimisation techniques are discussed with particular emphasis being placed on sequential linear programming. The optimisation problem formulation is presented in detail with attention paid to elements and their formulation as well as design variables, constraints and sensitivity analysis. Two design concepts were considered for the wing and canard structures, the first being a conventional configuration and the second being a novel radial design. The development and evaluation of these structural concepts are presented in detail. The optimisation study done on the canard is also presented as well as the manufacture thereof. Details regarding the manufacturing methodology used in the construction of the canard for the uninhabited combat air vehicle are presented in detail with particular
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Van, Wyk David. "The development of an advanced composite structure using evolutionary design methods." Thesis, 2008. http://hdl.handle.net/10321/497.
Повний текст джерелаThe development of an evolutionary optimisation method and its application to the design of an advanced composite structure is discussed in this study. Composite materials are increasingly being used in various fields, and so optimisation of such structures would be advantageous. From among the various methods available, one particular method, known as Evolutionary Structural Optimisation (ESO), is shown here. ESO is an empirical method, based on the concept of removing and adding material from a structure, in order to create an optimum shape. The objective of the research is to create an ESO method, utilising MSC.Patran/Nastran, to optimise composite structures. The creation of the ESO algorithm is shown, and the results of the development of the ESO algorithm are presented. A tailfin of an aircraft was used as an application example. The aim was to reduce weight and create an optimised design for manufacture. The criterion for the analyses undertaken was stress based. Two models of the tailfin are used to demonstrate the effectiveness of the developed ESO algorithm. The results of this research are presented in the study.
Su, Yu-Ju, and 蘇囿儒. "Optimal Trajectories of Solar Powered Uninhabited Aerial Vehicle." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/01885430519956183446.
Повний текст джерела淡江大學
航空太空工程學系碩士班
94
The optimal trajectories of solar powered Uninhabitant Aerial Vehicle (UAV) flying in atmosphere are studied. The solar powered UAV will not expel the fuel during the flight. Therefore its mass keeps constant during the flight. The energy loss does not affect the motion of the vehicle explicitly. The optimal control law for level turn is obtained by considering the energy as the performance index. The result control law contains state variables only which can be easily implemented. The optimal trajectories for various final heading angles and spiral mission are presented as examples. The optimal climbing trajectory is obtained by keeping the lift control at optimal lift-to-drag ratio. By combining the guidance laws of optimal level turn and climbing, we can design the optimal three-dimension trajectories.
Lin, Uan-Chung, and 林源鍾. "Design and Realization of the Tailless Uninhabited Aerial Vehicle." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/39725024452602958128.
Повний текст джерела淡江大學
航空太空工程學系碩士班
96
The thesis is to design a tailless UAV and its guidance, navgation and autopilot systems. Procedure of UAV design uses standard aircraft design procedure which includes concept design, preliminary design and detail design. The configuration and structure of UAV depend on the performance reqirements. Attitude control uses state feedback control and LQ criterion to design control gain. The MATLAB® is implemented to simulate the control responses. The ARM® and PIC® microcontrollers are used to build up the avionics and ground control station.
Barnwell, William Garrard. "Distributed actuation and sensing on an uninhabited aerial vehicle." 2003. http://www.lib.ncsu.edu/theses/available/etd-08112003-130342/unrestricted/etd.pdf.
Повний текст джерелаTam, Hong Tai. "Hardware-in-the-loop simulation for a research uninhabited aerial vehicle control." 2005. http://link.library.utoronto.ca/eir/EIRdetail.cfm?Resources__ID=362504&T=F.
Повний текст джерелаElkhoury, Michel. "Aerodynamics of unmanned combat air vehicles : flow structure and control /." Diss., 2004. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3147316.
Повний текст джерелаYavuz, Mehmet Metin. "Origin and control of the flow structure and topology on delta wings /." Diss., 2006. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3203830.
Повний текст джерелаVelhal, Shridhar. "Development of Spatio-Temporal Multi-Task Assignment Approaches for Perimeter Defense Problem." Thesis, 2023. https://etd.iisc.ac.in/handle/2005/6196.
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