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Application for batch management of Mikrotik network devices
Kloda, Tomáš ; Frolka, Jakub (referee) ; Krajsa, Ondřej (advisor)
The goal of the thesis is to describe and develop web application for large-scale management of MikroTik network devices. The theoretical part describes RouterOS operating system. This work also describes communication through MikroTik API service. Next section includes brief description of tools, which were used for the web application development. The practical part describes development and realization of the web application. The web application is intended for Linux based operating systems.
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Telemetry Data Collection and Evaluation
Spurný, Jan ; Krajsa, Ondřej (referee) ; Číka, Petr (advisor)
This thesis describes design and creation of application which collects and values telemetry data. Thesis consist of design and implementation which describes whole system, server settings as well as approach how to consume any given data. Corner stone of this application is based on given data from telemetry station (sensors) and projecting them on the map background. Application consist of user interface and logic how to project any given data into the map. Graphics interface is created using HTML, JavaScript and CSS programming languages. Logic itself is programmed by using backend language PHP including Laravel Framework in combination with MySQL database. Result of this thesis is working implementation covering administration user interface, working cooperation of MQTT server and APIs. There are also implemented all necessary parts for enablement of user interface with cooperation with map background layer. Implementation creates two possible ways how to install package necessary to run this app on Ubuntu system.
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Access Control in IP Networks
Frdlík, Tomáš ; Krajsa, Ondřej (referee) ; Baroňák, Ivan (advisor)
In this thesis we describe the problematic of QoS security for various services provided through IP network. These applications have high QoS parameter requirements such as delay, loss rate and variation of delay. We provide the required quality using different methods that are responsible for network monitoring and traffic management. One of the main QoS elements we deal with in this thesis are AC methods. These methods have the task of deciding whether they accept or reject a new connection based on its parameters without affecting the QoS of other connections. Furthermore, this thesis deals with the use of neural networks in AC methods. At the end two methods are simulated and compared: the Gauss method and the neural network utilization method for 100, 1 000 and 10 000 accesses.
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Laser diodes controller utilizing AVR microcontroller
Boštík, Jiří ; Šilhavý, Pavel (referee) ; Krajsa, Ondřej (advisor)
This thesis deals with the design and subsequent realization of laser diode control devices. The circuit will be able to control the diode with using a laser driver, via a computer network or via the display for control current values, setting of initial values and more. The device will be connected also with a SD card for saving of settings. In the theoretical part there are described individual components that are needed for functionality of the device. The practical part contains a block diagram, in which is described complete feature of the device, then a draft scheme with a description of all integrated circuits and important components. At the end of this work is described the software that controls the entire designed device.
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Automatization of production technologies status monitoring
Molent, Michal ; Číka, Petr (referee) ; Krajsa, Ondřej (advisor)
The bachelor thesis focuses on with a description and design of automated surveillance over operation of production technologies from the initial collection and processing of information to the presentation of the results in the company´s intranet and their archiving. In the first part the proposal is described theoretically with possibilities of advanced solution of the given issues. The second part occupy of with the initial proposal for the solution. The third part is focused on the implementation of the prototypical implementation of an automated surveillance for application in an industrial environment. The Fourth part focus on testing all system, which is used in two factoring halls D and E.
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Turbo-convolution and turbo-block codes
Šedý, Jakub ; Krajsa, Ondřej (referee) ; Šilhavý, Pavel (advisor)
The aim is to explain the Turbo convolutional and block turbo codes and decoding the secure message. The practical part focuses on the design of a demonstration program in Matlab. The work is divided into four parts. The first two deal with theoretical analysis of coding and decoding. The third section contains a description created a demonstration program that allows you to navigate the process of encoding and decoding. The fourth is devoted to simulation and performance of turbo codes.
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MTC and LTC Sync Code Converter
Miškařík, Vít ; Hanák, Pavel (referee) ; Krajsa, Ondřej (advisor)
Converter of sync codes MTC to LTC is very important device to synchronize all devices which are being used for editing and other work with audio and video. Most of digital equipment can sync to MTC but LTC timecode is recorded od audio or videotape. Therefore this converter is needed to sync all connected devices to recorded timecode. This thesis is about designing and constructing the converter between these timecodes.
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Arduino based serial bus decoder
Giertl, Juraj ; Lattenberg, Ivo (referee) ; Krajsa, Ondřej (advisor)
This project deals with possibilities of capturing and decoding data from different serial buses. Then describe ways of automatic recognition of the buses. The project include hardware and software development of device used for capturing data from different serial buses such as SPI, UART and I2C. Characteristics of these busses are described in detail. Device is design as shield to support Arduino boards. The Shield includes four fully isolated inputs and five non isolated imputs for capturing data, Ethernet interface, SD card and two display interfaces witch supports up to ten displays.
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Design and implementation of interconnection tools for noise generator
Pokorný, Jiří ; Kubánek, David (referee) ; Krajsa, Ondřej (advisor)
The bachelor’s thesis explores the way of implementation of interconnection of LFTX Daughterboard 0-30 MHz Tx and LFRX Daughterboard 0-30 MHz Rx cards from Ettus research and cards from Spectrum Digital. In the first part of the thesis the design of two tools for two way transmission is shown. The paper contains everything from the basic findings through parts selection nad simulations to the final production and testing of the tools. In the second part a way of controlling similar tool through USB is explored.
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Software-based Burglar Alarm Control Panel
Drzsík, Dávid ; Krajsa, Ondřej (referee) ; Strašil, Ivo (advisor)
This bachelor thesis is interested in integration of security systems into intelligent home networking. For showing the network’s functionality, a demonstration panel with Tecomat programmable logic controller is used. This thesis deals with usage of programmable logic controllers as central units for home security systems. Library with three function blocks for simplification of the module’s configuration, work with user passwords, mail sending and logging function is an output of this thesis. A virtual interface for simplifying the configuration of this security system is have also been created.
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