Dissertations / Theses on the topic 'Airplanes – Motors – Design and construction'
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Cranstone, Alexander William. "Low pressure turbine design for a future high bypass ratio aero-engine." Thesis, University of Cambridge, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.610530.
Full textKay, Jacob. "Control authority assessment in aircraft conceptual design." Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-03242009-040703/.
Full textCabrera, Antonio Trani. "Combat aircraft scenario tradeoff models for conceptual design evaluation." Diss., Virginia Polytechnic Institute and State University, 1988. http://hdl.handle.net/10919/53920.
Full textPh. D.
Martin, Benjamin C. "Geometric Design Optimization of Brushless Permanent Magnet Motors." Fogler Library, University of Maine, 2009. http://www.library.umaine.edu/theses/pdf/MartinBC2009.pdf.
Full textJimeno, Jesus. "A physics based robust methodology for aerodynamic design analysis and optimization." Thesis, Georgia Institute of Technology, 2000. http://hdl.handle.net/1853/12472.
Full textScharl, Julien. "Formulation and implementation of a methodology for dynamic modeling and simulation in early aerospace design." Diss., Georgia Institute of Technology, 2001. http://hdl.handle.net/1853/12973.
Full textEllwood, 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.
Full textThesis 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.
Grieshaber, Michele Marie. "Interactive calculation of cross-sectional areas for aircraft design and analysis." Thesis, This resource online, 1988. http://scholar.lib.vt.edu/theses/available/etd-04272010-020357/.
Full textYu, Chuang, and 余创. "Design, analysis and control of flux-mnemonic permanent magnet brushless machines." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2010. http://hub.hku.hk/bib/B44769027.
Full textRohl, Peter Jurgen. "A multilevel decomposition procedure for the preliminary wing design of a high-speed civil transport aircraft." Diss., Georgia Institute of Technology, 1995. http://hdl.handle.net/1853/11827.
Full textKelly, John H. "Rule-based fuselage and spine and cross-section methods for computer aided design of aircraft components." Thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-06232009-063138/.
Full textZhao, Gui Quan. "Design, control and experimental testing of intelligent variable dual-fuel automotive engines." Thesis, University of Macau, 2017. http://umaclib3.umac.mo/record=b3691635.
Full textNiu, Shuangxia, and 牛双霞. "Design, control and application of double-stator permanent magnet brushless machines." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2009. http://hub.hku.hk/bib/B42841677.
Full textLiu, Chunhua, and 劉春華. "Design, analysis, control and application of permanent-magnet hybrid brushless machines." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2009. http://hub.hku.hk/bib/B42841665.
Full textUpton, Eric George. "An Intelligent, Robust Approach to Volumetric Aircraft Sizing." Diss., Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/16128.
Full textSoban, Danielle Suzanne. "A methodology for the probabalistic assessment of system effectiveness as applied to aircraft survivability and susceptibiliy." Diss., Georgia Institute of Technology, 2001. http://hdl.handle.net/1853/11739.
Full textKim, Inn B. "Development and analysis of elastically tailored composite star shaped beam sections." Diss., Available online, Georgia Institute of Technology, 2004:, 2003. http://etd.gatech.edu/theses/available/etd-04062004-164703/unrestricted/kim%5Finn%5Fb%5F200312%5Fphd.pdf.
Full textLi, Fuhua, and 李富华. "Design, analysis, control and application of permanent magnet brushless dual-memory machines." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2014. http://hdl.handle.net/10722/208621.
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Electrical and Electronic Engineering
Doctoral
Doctor of Philosophy
Gan, Jinyun, and 干金云. "Design, analysis and control of multiphase flux regulated permanent magnet brushless DC motor drives." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2004. http://hub.hku.hk/bib/B31245304.
Full text夏偉 and Wei Xia. "A new phase decoupling permanent magnet brushless DC motor and its control." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1996. http://hub.hku.hk/bib/B31235426.
Full textKirby, Michelle Rene. "A methodology for technology identification, evaluation, and selection in conceptual and preliminary aircraft design." Diss., Georgia Institute of Technology, 2001. http://hdl.handle.net/1853/12042.
Full textOlafsson, Sveinn V. "Random vibrations of bladed-disk assembly under cyclostationary excitation." Thesis, Virginia Tech, 1988. http://hdl.handle.net/10919/43261.
Full textMaster of Science
Dewitz, Michael B. "The effect of a fillet on a wing/body junction flow." Thesis, Virginia Tech, 1988. http://hdl.handle.net/10919/43843.
Full textDayyani, Iman. "Mechanical behavior of composite corrugated structures for skin of morphing aircraft." Thesis, Swansea University, 2015. https://cronfa.swan.ac.uk/Record/cronfa42865.
Full textStrauch, Gregory J. "Integrated multi-disciplinary design of a sailplane wing." Thesis, Virginia Tech, 1985. http://hdl.handle.net/10919/45660.
Full textThe objective of this research is to investigate the techniques and payoffs of integrated aircraft design. Lifting line theory and beam theory are used for the analysis of the aerodynamics and the structures of a composite sailplane wing. The wing is described by 33 - 34 design variables which involve the planform geometry, the twist distribution, and thicknesses of the spar caps, spar webs, and the skin at various stations along the wing. The wing design must satisfy 30 â 31 aeroelastic, structural, aerodynamic, and performance constraints.
Two design procedures are investigated. The first, referred to as the iterative, sequential procedure, involves optimizing the aerodynamic design for maximum average cross-country speed at E1 constant structural weight, and then optimizing the the structural design of the resulting wing geometry for minimum weight. This value is then used in another aerodynamic optimization, and the process continues iteratively until the weight converges. The other procedure, the integrated one, simultaneously optimizes the aerodynamic and the structural design variables for either maximum average cross-country speed or minimum weight.
The integrated procedure was able to improve the value of the objective function obtained by the iterative procedure in all cases. This shows The objective of this research is to investigate the techniques and payoffs of integrated aircraft design. Lifting line theory and beam theory are used for the analysis of the aerodynamics and the structures of a composite sailplane wing. The wing is described by 33 - 34 design variables which involve the planform geometry, the twist distribution, and thicknesses of the spar caps, spar webs, and the skin at various stations along the wing. The wing design must satisfy 30 â 31 aeroelastic, structural, aerodynamic, and performance constraints. Two design procedures are investigated. The first, referred to as the iterative, sequential procedure, involves optimizing the aerodynamic design for maximum average cross-country speed at E1 constant structural weight, and then optimizing the the structural design of the resulting wing geometry for minimum weight. This value is then used in another aerodynamic optimization, and the process continues iteratively until the weight converges. The other procedure, the integrated one, simultaneously optimizes the aerodynamic and the structural design variables for either maximum average cross-country speed or minimum weight.
The integrated procedure was able to improve the value of the objective function obtained by the iterative procedure in all cases. This shows that definite benefits can be gained from taking advantage of aerodynamic/structural interactions during the design process.
Master of Science
Cheng, Ming, and 程明. "Design, analysis and control of doubly salient permanent magnet motor drives." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2001. http://hub.hku.hk/bib/B31241542.
Full textMalone, Brett. "Multidisciplinary optimization in aircraft design using analysis technology models." Thesis, This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-10102009-020042/.
Full textHines, Nathan Robert. "A probabilistic methodology for radar cross section prediction in conceptual aircraft design." Diss., Georgia Institute of Technology, 2001. http://hdl.handle.net/1853/12517.
Full textKao, Pi-Jen. "Efficient methods for integrated structural-aerodynamic wing optimum design." Diss., Virginia Polytechnic Institute and State University, 1989. http://hdl.handle.net/10919/54211.
Full textPh. D.
DeLaurentis, Daniel A. "A probabilistic approach to aircraft design emphasizing stability and control uncertainties." Diss., Georgia Institute of Technology, 1998. http://hdl.handle.net/1853/12948.
Full textArledge, Thomas K. "ACSYNT aerodynamic estimation : an examination and validation for use in conceptual design /." Thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-12052009-020129/.
Full textMarx, William J. "Integrating design and manufacturing for the high speed civil transport." Diss., Georgia Institute of Technology, 1996. http://hdl.handle.net/1853/12410.
Full textCollins, Edward Randolph Jr. "Torque and speed control of single-phase induction motors using an adjustable amplitude and phase angle auxiliary winding power supply." Diss., Georgia Institute of Technology, 1989. http://hdl.handle.net/1853/15472.
Full textPolen, David M. "Integrated aerodynamic-structural design of a subsonic, forward- swept transport wing." Thesis, Virginia Tech, 1989. http://hdl.handle.net/10919/46059.
Full textThe introduction of composite materials and the ability to tailor these materials to improve aerodynamic and structural performance is having a distinct effect upon aircraft design. In order to optimize the efficiency of the design procedure, a design process which is more integrated than the traditional approach is required. Currently the utilization of such design procedures produces enormous computational costs. An ongoing effort to reduce these costs is the development of efficient methods for cross-disciplinary sensitivities and approximate optimization techniques.
The present research concentrates on investigating the integrated design optimization of a subsonic, forward-swept transport wing. A modular sensitivity approach for calculating the cross-sensitivity derivatives is employed. These derivatives are then used to guide the optimization process. The optimization process employed is an approximate technique due to the complexity of the analysis procedures. These optimization results are presented and the impact of the modular technique is discussed.
Master of Science
Ippolito, Corey A. "Software architectures for flight simulation." Thesis, Georgia Institute of Technology, 2000. http://hdl.handle.net/1853/15749.
Full textUnger, Eric Robert. "Computational aspects of the integrated multi-disciplinary design of a transport wing." Thesis, Virginia Tech, 1990. http://hdl.handle.net/10919/42125.
Full textMaster of Science
Harman, Alex Bruce Mechanical & Manufacturing Engineering Faculty of Engineering UNSW. "Optimisation and improvement of the design of scarf repairs to aircraft." Awarded by:University of New South Wales. School of Mechanical and Manufacturing Engineering, 2006. http://handle.unsw.edu.au/1959.4/26788.
Full textHan, Lin 1982. "A comparison of permanent magnet motor structures for traction drive applications in hybrid electric vehicles /." Thesis, McGill University, 2008. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=116015.
Full textNafziger, John S. "Reverse parameterization of B-spline surfaces for data transfer." Thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-06302009-040414/.
Full textPapay, Michael L. "A general inverse design procedure for aerodynamic bodies." Diss., Virginia Tech, 1994. http://hdl.handle.net/10919/38556.
Full textHuang, Ximing. "Structural optimization and its interaction with aerodynamic optimization for a high speed civil transport wing." Diss., Virginia Tech, 1994. http://hdl.handle.net/10919/40132.
Full textPh. D.
Patil, Mayuresh J. "Nonlinear aeroelastic analysis, flight dynamics, and control of a complete aircraft." Diss., Georgia Institute of Technology, 1999. http://hdl.handle.net/1853/12099.
Full textZhang, Haochuan. "Nonlinear aeroelastic effects in damaged composite aerospace structures." Thesis, Georgia Institute of Technology, 1996. http://hdl.handle.net/1853/12150.
Full textJones, Robert W. "Intersection and filleting of non-uniform B-spline surfaces." Thesis, Virginia Tech, 1991. http://hdl.handle.net/10919/42189.
Full textPreliminary aircraft design codes requIre a more complete and integrated geometry
definition than that used by conceptual design codes. This thesis documents the design
and creation of an interactive CAD system which converts the geometry descriptions
commonly used in conceptual aircraft design codes to descriptions that meet the
requirements of preliminary design systems. In particular, the conversion of ACSYNT
Hermite surface data of aircraft models to the non-uniform hi-cubic B-Spline surface
representation is addressed. The topics discussed in this thesis include the design and
development of an interactive graphics user interface, the design and coding of an
intersection method for non-uniform hi-cubic B-Spline surfaces utilizing subdivision
techniques and the development of a one-dimensional filleting algorithm for blending
surfaces along iso-parametric curves.
Master of Science
Hall, Neil Scott. "Impact of data modeling and database implementation methods on the optimization of conceptual aircraft design." Thesis, Georgia Institute of Technology, 1996. http://hdl.handle.net/1853/16847.
Full textBryant, David. "Design and prototyping of an aircraft to maximize the triaviation score." University of Western Australia. School of Mechanical Engineering, 2009. http://theses.library.uwa.edu.au/adt-WU2009.0113.
Full textAjaj, Rafic Mohammad. "Design, modelling and optimisation of morphing structures for medium altitude long endurance UAVs." Thesis, Swansea University, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.678283.
Full textHasan, Shahab. "An object-oriented, PHIGS-based Internal Layout Module for aircraft design." Thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-03032009-040349/.
Full textArnold, David Patrick. "Magnetic Machines for Microengine Power Generation." Diss., Georgia Institute of Technology, 2004. http://hdl.handle.net/1853/4854.
Full textLegesse, Michael. "Coupled simulation of an indirect field oriented controlled induction motor drive." Thesis, McGill University, 2008. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=116014.
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