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Design of two-axis linear measuring device for railroad axles pressing
Mlynář, Vojtěch ; Vejlupek, Josef (referee) ; Brablc, Martin (advisor)
The main goal of this bachelor's thesis is the design of the device capable of measuring the distance between railroad wheelset elements during pressing. The research part presents the parameters of the wheelset press and the existing solutions to the problem. Additionally, distance-measuring sensors, motor sizing methods, and sensitivity analysis methods are described. The third chapter outlines the design process, beginning with early conceptions, their analysis, and leading into the final design.
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Implementation of selected control algorithms for FPGA
Bradáč, Martin ; Vejlupek, Josef (referee) ; Grepl, Robert (advisor)
A real-time computer cRIO-9073 supplied by National Instruments, together with the software tool LabVIEW is a versatile system used in many fields, for both research and practical tasks. This thesis deals with the possibilities of the system. It is aimed primarily at performance testing, identifying potential limitations and showing its practical use. The whole system has undergone testing through the use of programs covering the wide spectrum of utilisation. cRIO also allows the use of other software tools in its programming. This thesis explores the options of using Matlab/Simulink from MathWorks and the generation of VHDL code using a product of Xilinx. The aim is to compare the demands on the resources consumed, by the Field-programmable gate array (FPGA) in cRIO as well as the CPU load running the Real-time process.
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Application of local approximators for control of real mechatronic system
Palaj, Lukas ; Vejlupek, Josef (referee) ; Grepl, Robert (advisor)
Cieľom práce je aplikácia lokálnych aproximátorov pre riadenie reálnych mechatronických sústav pomocou metódy dopredného riadenia predstavujúcej zaujímavú alternatívu k metódam využívajúcim globálne aproximátory. Po ukážkových príkladoch funkcie lokálnych aproximátorov bol navrhnutý algoritmus implementovaný pre riadenie dvoch sústav, elektronickej škrtiacej klapky a výukového modelu magnetickej levitácie, predstavujúcich vysoko nelineárne a nestabilné sústavy. Skúmali sme, či riadiaci algoritmus bude mať pozitívny vplyv na presnosť regulácie, ďalej bola skúmaná jeho schopnosť prispôsobiť sa zmene parametrov sústavy a tiež prípadná možnosť jeho implementácie pre mikrokontrolér znížením vzorkovacej frekvencie. Výsledky ukázali, že riadenie založené na lokálnych modeloch zlepšilo riadenie v porovnaní s jednoduchým PID regulátorom a že má schopnosť adaptability. Veľmi výhodné sa zdá byť jeho použitie pre zariadenia umožnujúce vzorkovaciu frekvenciu do 1 kHz.
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Car4 vehicle remote control enhancement
Nejedlík, Tomáš ; Lamberský, Vojtěch (referee) ; Vejlupek, Josef (advisor)
This work deals with adding the LCD display to the remote control and its programming. At the introduction, we describe available data that we could get from the on-board sensors. Then we describe in detail how are the data transmitted between vehicle and its remote control, how the data are processed and then displayed. Also the modifications performed on the on-board electronic wiring and battery charging are discussed and described.
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Design of transport mechanism for the stationary robot
Kříž, Pavel ; Vejlupek, Josef (referee) ; Ripel, Tomáš (advisor)
This bachelor's thesis describes design of the transport mechanism for the autonomous robot. The main aim is modification of the chassis and design of the control mechanism. The designed concept comes out of requirements assigned by external company. It also includes the list and description of various considered concepts. The final construction variant is divided into several construction sections described in the thesis. The check calculation of potentially critical part is specified in the final part. The result is design of the transport mechanism for the stationary robot which serves as multifunctional kiosk.
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Computer vision and stereo vision
Bubák, Martin ; Klimeš, David (referee) ; Vejlupek, Josef (advisor)
This dissertation work is describing the usage of the software tool Computer Vision System Toolbox to create applications in computer vision. At the beginning of the work is performed background research of image scanning and its representation by using colour models. It is followed by a description of epipolar geometry and lastly is stated a description of the Computer Vision System Toolbox. In the next section of the work we deal with setting of used Basler cameras and processing of the scanned image. The following is a description how to create applications for object detection and after this description, we get to know applications for creation of depth maps area.
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Real-time visualization of magnetic field vectors
Kaplan, Tomáš ; Vejlupek, Josef (referee) ; Matějásko, Michal (advisor)
This thesis deals with the design and realization of a device for a real-time vizualization of magnetic eld vectors. The information about magnetic eld is obtained by magnetic flux density sensors. Outcoming data from sensors are processed in microcontroller and then sent to a personal computer where they are vizualizated. The goal is to visualize the magnetic ux density in meaningul form.
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