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GPS car position system
Talanda, Oldřich ; Biolek, Dalibor (referee) ; Kadlec, Jaroslav (advisor)
This paper focuses on one of the possible ways of protecting a car as well as offering a possibility of easy location detection anywhere in the Czech Republic.The aim of the paper is to suggest and practically realize a device, that would meet these requirements by utilizing the GPS and GSM technologies. The first part of the paper is focused on laying out the problem. The next part tries to familiarize one with the problems of GPS navigation, work with microcontrollers and data transfer utilizing the GSM technology. The third part deals with program equipment of the microcontroller and the governing communication system.
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The construction of wireless alarm system
Brudný, Tomáš ; Kadlec, Jaroslav (referee) ; Šteffan, Pavel (advisor)
The object of this project was to develop a security device, which would consist of several detectors and one central unit. The central unit is communicating with authorized detectors wire-less with using the high-frequency modules IQRF from Microrisc. Central unit is thanks USB interface, small size and by using PC easy configurable. Designed detectors are provided with a Li-ion accumulator, which can by charge by integrated solar cells. The detector also includes input interface, which can by use to expand the detector of another kind of sensing element.
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GPS position recording system
Kokeš, Ondřej ; Magát, Martin (referee) ; Kadlec, Jaroslav (advisor)
The system conducting an electronic record of drives employing GPS enables simply track the vehicle running and traffic. As vehicle is running, information is gathered and saved into the memory module, out of which the driver's report book is generated afterwards. The submitted work is involved in brief summary of possibilities that might be used during implementation of the project and furthermore during complete solution of such a system, hardware and software parts included.
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IO/Link interface implementation to pressure sensors
Pešl, Jiří ; Novotný, Radovan (referee) ; Kadlec, Jaroslav (advisor)
This thesis is concerned with the measurement of physical quantities. Thesis describes sensors in general terms and requirements, which delivers latest trends in the field of automation. The main theme of this thesis is sensors for meassuring pressure, and their connection to the automation chain. In the next part thesis describes the design of the converter for connecting SMART sensors for pressure measuring, that use HART communication protocol, to the automation systems managed by a communication protocol IO-link. First will be described in detail various communication standards by their ISO OSI model, and on this theoretical basis will be based design of converter between communication protocol HART and communication protocol IO-Link. The last part will be Designed software for this converter.
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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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Lighting control system using a wireless communication network
Levek, Vladimír ; Kadlec, Jaroslav (referee) ; Kuchta, Radek (advisor)
The aim of this thesis is to create and describe the wireless system for lighting control. A part of the work is the creation of modules for switching lighting and the creation of their operating programs. The first chapter briefly describes the way how the lighting control works and contains general requirements for the intelligent home. Further, there is a description of IQRF system, which serves as a wireless platform for the system. Next part of the thesis describes individual modules in terms of hardware and software. One part of the work covers the description of the transmission protocol. The attachment includes a listing of all operating programs for this wireless control system.
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Electronic information card
Šafář, Viktor ; Kadlec, Jaroslav (referee) ; Šandera, Josef (advisor)
Tato diplomová práce se zabývá návrhem elektronického informačního štítku, jehož základem je maticový LED displej. V teoretické části jsou probrány použitá rozhraní a periferie mikrokontroléru a PC a diskutuje se nad možnostmi kódování českých znaků. Dále se probírá krok za krokem návrh zařízení. Nejdříve jsou vytyčeny hlavní požadavky a funkcionalita zařízení, následuje výběr vhodných komponent a je navrženo elektrické schéma. Jádrem zařízení je mikrokontrolér Microchip PIC, pro který je dále navržen program. Nakonec je popsána a naprogramována aplikace pro MS Windows, která se se zařízením komunikuje.
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Microposition control device
Kokeš, Ondřej ; Bajer, Arnošt (referee) ; Kadlec, Jaroslav (advisor)
Presented thesis analyses a function of the particular type of the nanopositioner with aim to suggest and construct an electronic device suitable for control of the nanopositioner slider. In presented material there is a description of the control signals and possibility of their generating in the respect of slider movement accuracy. The main goal of the thesis is to describe electronic units ranging from power supply, control processor unit part to end part that directly joint nanopositioner. There is also programme equipment for microcontroller and computer, communication description, movement measuring and calibration and draft for the close-up of the control loop for additional increase of the movement accuracy.
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Program for testing speed of cryptographic algorithms
Volf, Lukáš ; Sajdl, Ondřej (referee) ; Kadlec, Jaroslav (advisor)
Program for testing of speed of encryption algorithms is project aimed to build a program, which will be able to test specific properties of each single encryption algorithm protocol and results of testing will be saved for later statistical analysis. Program is going to be build in C# program language. In statistical analysis part all data and results from testing of each single algorithm will be processed and reviewed in transparent reports.
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