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Design of a wing model for flutter testing
Zíka, Jakub ; Šplíchal, Jan (referee) ; Navrátil, Jan (advisor)
Bachelor thesis deals with the design of a wing model for testing the dynamic aeroelastic phenomenon of flutter. The first two chapters of the thesis present theoretical introduction to aeroelastic phenomena and scaling relationships. The third part describes the whole model designing process based on similitude requirements to a real wing. Bending and torsional stiffness along with mass distribution are the most important wing properties where similitude should be attained.
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Aerodynamic analysis of low orbit launcher
Fojtl, Michal ; Navrátil, Jan (referee) ; Popela, Robert (advisor)
Master’s thesis deals with aerodynamic heating of launch vehicle during ascent phase by using CFD simulation. Ascent trajectory and payload fairing geometry is design using data of existing small launch vehicles. Critical flight regimes are identified using 2D calculations, and in these regimes analysis is performed by axially symmetric simulations. Simulation results are compared to values obtained from theoretical and semi-empirical calculations.
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Space mission design
Koziel, David ; Navrátil, Jan (referee) ; Zikmund, Pavel (advisor)
In this work, there are basic laws and knowledge relating to space flights into an orbit around the Earth. Also, there are instructions for beginners, who want to work with the GMAT program (General Mission Analysis Tool), which is the program used for designing space missions. In the final part of the work, there is also a use of the program demonstrated on a specific mission of a satellite (CubeSat) into the Geostationary Earth Orbit. In this section, there is a described method of work, individual relevant functions of the program and possibilities, and a way of work in it. Finally, graphical and data outputs of the simulation are evaluated. Therefore, the output of the work is complex characteristics of the basics of problems of space mission design and a brief GMAT software guide, which could be used in the future to teach.
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License Plate Recognition
Mrhač, Ondřej ; Sochor, Jakub (referee) ; Navrátil, Jan (advisor)
This thesis talks about problematics of licence plate detection, licence plate recognitionand my implementation for device i.MX 6 Series of NXP semiconductors s.r.o company. Model program for licence plate detection and recognition is written with help of OpenCV library and engine Tesseract and it’s successfully put into operation on this device. Afterwards program was measured his runtime on PC and i.MX6 Series device and those measurements were compared. At the end of this thesis were found the most demanding parts of the program. Future changes and improvements were proposed.
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Interactive Application Using UnrealScript
Musil, Miloš ; Pečiva, Jan (referee) ; Navrátil, Jan (advisor)
This work is focused on the creating of projects in Unreal Developement Kit, mainly on their programming in language UnrealScript. There are shortly discused tools, integrated into UDK for creating scenes and operating their inner logic, same as some more significant classes of UnrealScript for work with game camera, HUD, elaborating user inputs and others. In the end, there is joined comparasion between UnrealScript and some other languages, usable for creation of user interfaces and evaluation of user tests, executed on final project in UDK.
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Retargeting of the assembler language compiler
Navrátil, Jan ; Macho, Tomáš (referee) ; Petyovský, Petr (advisor)
This bachelor thesis describes a design and implementation of modification of retargetable compiler Flat Assembler G that provides a translation of assembly language for HCS08 microprocessor family. It describes current solutions in the design of assembly language compilers, existing retargetable compilers and their differences from Flat Assembler G. Furthermore, it shows process that can generate binary output in selected format with the compiler. Last part of this thesis is dedicated to testing of the correctness of the implementation and demonstration of the correctness on a real hardware.
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Methods for Alias-Free Shadows Rendering
Posolda, Jan ; Polok, Lukáš (referee) ; Navrátil, Jan (advisor)
This paper concerns aliasing removal methods during the shadow displaying. Method of shadow mapping, its principles, procedure and mainly its drawbacks in the form of aliasing development are described. For the removal of this undesirable phenomenon, several aliasing suppressing methods are described - Percentage Closer Filter, Variance Shadow Map, Convulotion Shadow Map, Exponential Shadow Map a Bilateral Filter. I conclude my work with a proposal and implementation of a demonstrative application, which demonstrates the implemented results adequately. Also, the comparison of individual methods on the basis of their quality and computational demands is included.
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Unmanned Aerial System design competition
Malinowski, Matěj ; Navrátil, Jan (referee) ; Pejchar, Jan (advisor)
Bakalářská práce se zabývá návrhem malého bezpilotního letounu určeného pro soutěž Air Cargo Challenge 2015. Práce je uspořádána dle postupu vývojových prací. Na prvotní koncepční návrh navazuje volba vhodného tvaru letounu a jeho profiláže. Následuje výpočet letových výkonů, maximální vzletové hmotnosti a centráže letounu. Poslední část práce se zabývá konstrukcí letounu a je provedena analýza závislosti užitečného zatížení na hustotě vzduchu.
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Debugging Tool for Shaders
Konečný, Jiří ; Polok, Lukáš (referee) ; Navrátil, Jan (advisor)
This thesis deals with implementation of a debugging and development tool for GLSL shader programming. In the text, you will find design of the application and it's implementation in Qt library. The thesis also includes performance testing with GLSL shaders. Experiments were focused on commands of application control flow in GLSL and texturing commands used in shaders. In the thesis, you will find explanation of the functionality of some shaders used in OpenGL. Application developed in this thesis, is meant to help with implementation of graphic programs programmed in OpenGL 3.3 or higher.
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Summary of Unmanned Aerial Vehicle
Haman, Tomáš ; Navrátil, Jan (referee) ; Dofek, Ivan (advisor)
The bachelor’s thesis deals with summary of unmanned aircraft. There is a reference to their historical development and possible uses for the selected aircraft are their technical parameters, including pictures. Thesis contains several types of UAV division according to various criteria. From these categories was selected a few representatives, which is followed by each of them a few characteristic data. The last part is a comparison of several aircrafts between two close categories.
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