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Automated environmental support system for aquarium
Slavotínek, Jan ; Honec, Peter (referee) ; Petyovský, Petr (advisor)
The thesis is devoted to analysis of parameters and processes in aquarium, in order to design system for control, regulation and monitoring the most important of them. In theoretical part of thesis are defined terms and basic knowledge necessary for successful analysis, some of them are marginally reaching into different science discipline (biology, zoology, engineering, etc.). The thesis contains a part focused on analysis of common operation and requirements connected with prospering aquarium. In this part are determined common ranges of values, limitations and requirements on safety operation of system, if necessary. Following chapters of thesis are devoted to design hardware and software solution of particular system, ensuring control, regulation and monitoring of variables and processes determined as critical.
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LED based Goldmann perimeter
Veselý, Vladan ; Bubník, Karel (referee) ; Balogh, Jaroslav (advisor)
The aim of this work is to design a LED-based Goldmann Perimeter. The core of the device, a microcontroller, is able to communicate with a computer and is connected using a serial port or a USB. Part of the work is a creation of a Matlab code. Matlab comunicate with computer and display the results. The output of every examination is a display of a patient’s visual field. This work describes the design, construction and implementation of the perimeter, including the creation of the software.
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Inteligent Photo Printed Circuits
Kočík, Karol ; Šťastný, Ladislav (referee) ; Havlíková, Marie (advisor)
The goal of this Bachelor’s thesis is a design and implementation of an amateur PCB production device with photo printed circuits method. Different kinds of illumination and production processes of printed circuit boards are compared in an overview. In the chapter devoted to the construction of the device a brief description of the amateur device construction is made, which parts and functions it contains. Design of the device was focused on power saving and multifunctionality of the device. The last task after the construction of the device was to test the functionality and present the results.
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Microprocessor-controlled autonomous source of constant current and voltage
Kováč, Marek ; Lattenberg, Ivo (referee) ; Pavelka, Ondřej (advisor)
The task of bachelor thesis is proposal of switching source for the construction of leadacid battery charger 6/12V controlled by microprocessor. It is based on buck converter of voltage. The first part presents the activity of converter and properties of lead-acid batteries, followed by a proposal of converter for a given application. The second part describes a criteria for selection of individual components and dimensioning them. The result of this thesis is simulation of converter in PC program Micro-Cap 9, along with the necessary calculations, a proposal of circuit with the calculation of inductor and methods of measurement of output quantities. Finally, is realized circuit board with a couple measurements and control program for the microcontroller. The entire proposal is focused to achieving the greatest simplicity of facility and efficiency and quality of charging accumulators together at low cost to the product.
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Altitude control of flying robot
Palacký, Tomáš ; Šembera, Jaroslav (referee) ; Baránek, Radek (advisor)
This bachelor’s thesis deals firstly with design and construction of a device for testing of altitude control algorithms of a flying robot. Secondly with creating and testing of an altitude control algorithm in order to apply findings while creating a copter control system. Provided is a selection and analysis of used hardware and software components – microcontroller AVR ATmega, ultrasonic sensor, motor controller and also communication interfaces IC, USART and SPI. Also design and realization of electrical wiring, circuit board and mechanical structure is being described here. The next section includes creation of software for microcontroller and PC application. The altitude control algorithm is developed using a simulation, furthermore tested and tuned for desired behavior.
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Module for verification of rotational position sensors
Krolák, David ; Růžek, Václav (referee) ; Dřínovský, Jiří (advisor)
This master‘s thesis deals with design and realisation of a control module for automated measurements of the modern contactless inductive position sensors by a mechanical rotational system consisting of a DC motor and an incremental quadrature encoder. The thesis presents methods of driving DC motor and recording of measured data by a microcontroller. The thesis presents a communication protocol between the control module and personal computer via USB interface. A part of this thesis is also to develop a control software and firmware, including the measurement and evaluation of properties of the control module.
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Tool for Designing Procedural Textures
Číž, Miloslav ; Polok, Lukáš (referee) ; Milet, Tomáš (advisor)
This thesis deals with implementation of a program library for designing and generating two-dimensional procedural textures and its GUI supportive tool. Attention was paid to common methods as well as to other computer graphics areas with effort for modifying the algorithms in order to achieve unique results. An effective way of texture representation and its concrete implementation is also presented.
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On-line annotation editor with audio visualization
Dorotovič, Viktor ; Herout, Adam (referee) ; Szőke, Igor (advisor)
The aim of this thesis is to create a web-based annotation editor, which displays the audio waveform alongside the transcribed text. A waveform viewer library was developed, which uses HTML5 canvas elements for rendering. The library allows scrolling and zooming of the waveform. Annotations are directly marked in the audio and the position of the transcribed text is synchronised with their location. The end goal is to replace an existing editor with the one being created. Therefore, a usability test was conducted to compare the two. The time needed to learn to use the application and to transcribe a short recording was reduced by 20%. The waveform viewer library was released under an open-source license.
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C Language Compiler Back-End for PicoBlaze-6
Bříza, Martin ; Ďurfina, Lukáš (referee) ; Křivka, Zbyněk (advisor)
Tato práce řeší konstrukci zadní části kompilátoru jazyka C pro soft-core procesor PicoBlaze-6 od firmy Xilinx. K řešení tohoto problému bylo zvoleno užití projektu Small Device C Compiler coby přední části překladače. Vytvořené řešení poskytuje podporu volání ukazatelů na funkce a užití struktur. Hlavním přínosem této práce je přenesení pokročilých konstrukcí jazyka C na procesor PicoBlaze.
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