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Converter card for precise control of a laser diode
Čožík, Ondřej ; Kadlec, Jaroslav (referee) ; Fiedler, Petr (advisor)
The diploma thesis deals with design of the converter card for the precise control of a laser diode. At first, there are described the principles of the laser diode, photodiode and basic functions of optical fiber sensors. Following chapter deals with description of developed converter card. In the diploma thesis are discussed all function blocks of the converter card and they are explained in detail. In the thesis are subsequently tested all problem parts of the converter card for the precise control of the laser diode, such as fast switching of the current flowing through the laser diode and design of the connection for evaluating of current pulse from the sensing photodiode. An integral part of thesis is a description of created printed circuit board and there are described all used layers and devices’ layout on the PCB. Final part of the diploma thesis deals with firmware for the microcontroller, which was made for testing of all function blocks of the converter card for the precise control of a laser diode. At the same time was developed software for PC, which communicates with the converter card via universal serial bus (USB).
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RFID equipped security terminal
Vařečka, Radek ; Fiedler, Petr (referee) ; Bradáč, Zdeněk (advisor)
The concept proposal of the RFID security terminal is described in this Master Thesis. The RFID identification and its usage are analyzed at first. The description of the selected fitting circuits, communication bus as well as its parameters follows. The practical realization, proposed module design and designed printed circuit board is described afterwards. Several problems found during activation phase are analyzed in the chapter describing the practical module realization. The problem resolution is mentioned as well. The practical prove of the real module parameters and differences compared to the designed values are described at the end of this Master Thesis.
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Modular control system
Novotný, Jan ; Fiedler, Petr (referee) ; Benešl, Tomáš (advisor)
The work deals with design of electronics for modular control system and all the necessary attributes. In the general part the reader are acquaints with the issues of industrial control systems and describes their functionality. It also describes the communication buses and protocols used in the industrial data transmission and describes real-time operating systems (RTOS). In the practical part, the master thesis deals with the design of its own modular control system consisting of several modules. The modular control system uses its own communication protocol to exchange data between the individual modules. Various possibilities of using this modular control system are discussed.
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Integration of flow and pressure sensors into the compressed air plant subsystem
Rýznar, Jan ; Baštán, Ondřej (referee) ; Fiedler, Petr (advisor)
The work deals with the design of the project solution 1007 - Měření průtoku vzduchu. The subject of the project is the integration of flow and pressure sensors on compressed air distribution in the paper industry. The solution uses decentralized peripherals together with a programmable logic controller communicating with each other via the Profinet network. Operating software for programmable logic controller and decentralized peripherals and HMI panel is parth of the project. As well as drawing documentation including solutions for powering individual components.
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Intelligent house for elderly people
Doktor, Lukáš ; Fiedler, Petr (referee) ; Kučera, Pavel (advisor)
Autor se zabývá otázkou inteligentních domů se zaměřením na seniory či postižené lidi. Jako srdce domu používá standardní počítač architektury x86 a SmartHome komunikační modul \cite{Doktor:2010} jako prostředek pro faktické ovládání vybavení domácnosti. Největším přínosem tohoto projektu je ve velmi intuitivním a jednoduchém uživatelském rozhraní. Toto rozhraní bylo speciálně navrženo, aby jej lidé rádi používali. Tohoto bylo dosaženo vytvořením MythTV plug-inu, běžícího pod GNU/Linux operačním systémem. Dalším významným přínosem je Fedora GNU/Linux instalační předpis, který automaticky nainstaluje a nakonfiguruje cílový počítač.
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Solar Glass Conveyor Test Loop
Holčík, Martin ; Fiedler, Petr (referee) ; Štohl, Radek (advisor)
This master thesis deals with current possibilities on field of automation material transport systems in manufacture. Based on demands of conveyor-system behavior, work offers possible solution for automatic conveyor loop system, which is used later for evaluate efficiency, wear and mechanical problems and opportunities for possible future improvements. Work describes hardware and engineering software which is used for programming and parameterization.
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Automation Measurement System
Zálešák, Marek ; Fiedler, Petr (referee) ; Štohl, Radek (advisor)
The follow text describes National Instruments Company's program LabVIEW and bus GPIB. The main part of the text solves the motion and description of software, which was created by help of LabWIEV program for Automation Measurement System. In conclusion of this work are the demonstration and results of control measurements, which were generated by this measuring system.
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SW for configuration of PLC modems
Tichý, Vojtěch ; Benešl, Tomáš (referee) ; Fiedler, Petr (advisor)
The aim of this bachelor thesis is to design an application for easy configuration of modems, from ModemTec, communicating over power lines. The bachelor's thesis first deals with a brief explanation of the communication over the power line, which will give the reader a general idea of what the application will be used for. Furthermore, to understand the meaning of the individual adjustable parameters of the modem, the serial port is explained, through which the modem will communicate with the parent device that collects data, but also with the computer on which the application will run and with which the modem will be configured. Then, readers are introduced to the design of the user interface and architecture of the application, which includes the basic design principles which the application implementation was based on. The following is a description of the application implementation and the results of ModemTec modem configuration testing. Finally, the achieved results and possibilities for future modification are summarized.
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Comparison of PLC programming languages
Noga, Kamil ; Pásek, Jan (referee) ; Fiedler, Petr (advisor)
This work is dealing with programmable logic controller programing in Heidenhain and Mitsubishi systems. Primary aim of this work is to compare individually PLC programing and comparing diagnostic tools for programmer in both systems. Then this work is dealing with programing environment.
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