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Intelligent ventilation with remote control and supervision
Benda, Tomáš ; Ježek, Michal (referee) ; Staněk, Kamil (advisor)
The aim of the bachelor thesis is a design and physical realization of system for intelligent passive ventilation. The mechanical controller of ventilation is designed with 3D modelling software. The resulting model is then created by 3D printing technology. The controlling unit realizes the ventilation of the room according to a designed algorithm. This algorithm reacts to current values of temperature and relative humidity measured by indoor and outdoor sensor unit. The remote control and monitoring is provided by application for mobile phones with Android operating system. The application allows the user to set parameters for controlling the ventilation and informs about current values of temperature and relative humidity.
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Microprocesor controlled charger
Husník, Ondřej ; Ježek, Michal (referee) ; Kovář, Jan (advisor)
This thesis deals with design of microprocessor controlled battery charger with support of NiCd, NiMH and Li-Ion cells. The project focus is aimed within circuits design at algorithm of charge detection implemented into microprocessor. User interface is formed by PC application which communicates with charger via USB. PC connection allows recording of charging characteristics behaviour. The result of thesis is completely designed and created battery charger including microprocessor and PC application source codes.
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Implementation of an automated converter of tables to LATEX
Hobža, Jakub ; Ježek, Michal (referee) ; Staněk, Kamil (advisor)
This thesis aims to create a tool to ease the typesetting of LaTeX tables. In this thesis, the tool is designed, implemented, and documented based on the gathered knowledge. The tool reads spreadsheet data from a Microsoft Excel file with the openpyxl library. This input data is processed into a compact and readable LaTeX output that is easy to work with for the average user. Moreover, the tool can set text alignment, foreground and background color, and borders, all individually for each cell in the output table. Merged cells and long and rotated tables are also supported.
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Inverted pendulum realization based on Cubli
Ježek, Michal ; Zuth, Daniel (referee) ; Marada, Tomáš (advisor)
This master thesis deals with the development and construction of the inverted pendulum, inspired by the Cubli project. The objective is to develop and design an inverted pendulum, in the shape of one side of the cube balancing at one of its corner and for balancing is used the flywheel. For its design 3D printing is used to the maximum extent and as the electronic parts commonly available components at an affordable price are used. The design of the construction and the components allow the construction of a complete cube, without the need of further development or fundamental changes in the design of the model. For the calculations and the design of the controller the Matlab / Simulink software was used. As the controller algorithm the LQR algorithm is used with added integral feedback, to minimize control error. The 3D models of the single parts are created with FreeCAD software and printed on a 3D Prusa i3 MK2S printer.
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Snapshot and Rollback Support for Configuration Files in Fedora
Ježek, Michal ; Vojnar, Tomáš (referee) ; Smrčka, Aleš (advisor)
The purpose of this thesis is to design and implement tools for support of a snapshot and a rollback for configuration files on the GNU/Linux distribution. The set of the tools enables an automatic/periodical saving of the configuration files into the selected placement. The creation of backups reacts to file events by watching the changes with kernel subsystem inotify. Tools are enabling to return to the selected backup. The way of the backup actualization is configurable. This tool permits the data comparison from selected backups, to show the differences in configurations and eventually to manage a merge among actual and selected backup. Tools also allows a comparison of a configurations of one client or configurations among clients, and to display the mutual differences, eventually to manage their merge.
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Condition Monitoring analysis for use by Key Performance Indicators (KPI)
Kelbl, Jan ; Staněk, Kamil (referee) ; Ježek, Michal (advisor)
This bachelor’s thesis deals with secondary Condition Monitoring data analysis to measure Key Performance Indicators (KPIs). First part of the thesis contains a research necessary to understand the problematics of condition monitoring technology and Key Performance Indicators. Also, the theoretical part includes a research on suitable data analysis software. The practical part of the thesis deals with choosing a data analysis software, data processing and data analysis and Key Performance Indicators measurement. Then visualizations are made and trends are measured. Based on the results from the practical part, a recommendation in matter of KPIs is made for the company, which provided the data, on which this bachelor’s thesis was realized.
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Design of special antenna rotator
Půhoný, Jan ; Ježek, Michal (referee) ; Kovář, Jan (advisor)
This master's thesis deals with design electronics for an antenna rotator in two axis. There are designed and implemented drivers for two stepper motors. Was also designed and implemented control panel that allows manual control the rotator and remote control by PC via USB. At the same time created software for control panel and PC application for easy operation.
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Monitoring the living environment in the house
Dlugoš, Daniel ; Ježek, Michal (referee) ; Staněk, Kamil (advisor)
This work, tries to create a small, rechargeable and portable device that senses temperature, humidity, barometric pressure, dust particles, carbon dioxide and VOC concentration. The air quality monitor can reliably measure the physical quantities encountered in every indoor environment, evaluate them and display them to the user. The sensors, data storage module and OLED display are housed on a custom-made PCB board.
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Implementation of the thesis template in LATEX
Sochor, Antonín ; Ježek, Michal (referee) ; Staněk, Kamil (advisor)
LATEX, as a professional document typesetting tool, is widespread, and its popularity is growing. Many packages extending its basic functionality allow LATEX to be used in various industries. Many universities use the LATEX to create templates for final theses. Therefore the idea of creating an easy-to-understand template for the Faculty of Mechanical Engineering at Brno University of Technology was born. In addition to an overview of online and offline/desktop LATEX editors, this bachelor's thesis is dedicated to being a user-friendly manual of the created template, including several examples. It thus serves as a guide for future final-year students who decide to use LATEX for their final thesis.
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