National Repository of Grey Literature 106 records found  1 - 10nextend  jump to record: Search took 0.01 seconds. 
Software for control and management of home automation
Michálek, Jakub ; Blažek, Petr (referee) ; Musil, Petr (advisor)
This master thesis describes the development of an application for control and management of smart sockets at home. The first part describes the software that was used in creating this application. Specifically, the Qt application platform and the SQLite relational database system. The second part describes the structure and function of this application. The next part describes the application used to test the functionality of the created application and the designed communication protocol. The last part of the work describes the testing and evaluation of the created application.
Collection of Sensor Data into Cloud
Záhorský, Matej ; Musil, Petr (referee) ; Nosko, Svetozár (advisor)
Primárnym účelom tejto práce je zber dát z vybraných senzorov do vzdialeného Cloudu prostredníctvom platformy STM32MP1. V prvej časti práce je popísaná teória ohľadom možností zberu dát, ich kryptografického zabezpečenia a funkcie daného mikrokontroléra. V druhej časti je navrhnuté a implementované vhodné softvérové riešenie pre efektívne a bezpečné zbieranie dát z vybraných senzorov. Na koniec sú vyhodnotené vlastnosti riešenia, čo zahrňuje i rýchlosť kryptografického podpisovania v reálnej aplikácií.
Cycling Of Vrla Lead-Acid Batteries For Use In Uninterruptible Power Supplies And Measurement Of Failed Batteries
Musil, Petr
This article deals with study on the influence of cycling of batteries with regard to their parameters. Electro-chemical reactions which take part in battery cells are described. This paper also offers a measurement scheme for automated measuring workstation. Furthermore, results of measurements are being presented on measured parameters of chosen batteries. Comparison of the measurements results and datasheet values is included. Conclusion sums up parameters of chosen batteries and their feasibility for further usage in Uninterruptible Power Supply as a crucial part of critical infrastructure.
Application for early detection of transmission parameters degradation of microwave units
Bubniak, Milan ; Benedikt, Jan (referee) ; Musil, Petr (advisor)
Radio equipment of microwave links operating in an outdoor environment under the influence of weather conditions is at risk of a link failure or device defect occurrence, as well as their indoor units. This bachelor thesis aims to present the creation of a~network monitoring application capable of timely detection of potential failures, based on analyzing trends in monitored device parameters. The theory section deals with basic characteristics of microwave links and the structure of Simple Network Management Protocol. The practical section describes an application design, including core architecture, as well as a graphical user interface. Several failure detection methods are designed and described. In the next section, practice monitoring results are presended. Furthermore, network traffic and data storage requirements are measured. The conclusion summarizes the results of the application development and outlines it's future with new possible features.
Smart Home
Konstantinov, Glib ; Musil, Petr (referee) ; Mlýnek, Petr (advisor)
The bachelor’s thesis deals with the analysis of intelligent devices and the possibilities of their usage in the household. Furthermore, the possibilities of using electricity from a photovoltaic power station and their comparison in terms of financial savings and efficiency of use are described. Moreover, in the theoretical part, a smart metering is described and methods of monitoring electricity consumption from classic electricity meters are presented. The practical part focuses on measuring the consumption of electricity by home appliances using a smart plug with the aim of their categorization, measuring the quality of electricity using a quality monitor MEg44PAN. The output of the bachelor thesis is the visualization of ways how intelligent elements can be implemented into existing buildings, smart homes and various combinations of appliances and resources.
Power over Ethernet implementation
Šturala, Martin ; Musil, Petr (referee) ; Krajsa, Ondřej (advisor)
The aim of this bachelor thesis is to design and implement a power supply module for an end station network device with an optional 5 V or 3.3 V output, which supports power over ethernet technology, both for active and passive method of this technology. The work is focused on the design of a hardware solution to this problem. A Texas Instruments TPS2373 chip supporting the latest technology according to the IEEE802.3bt specification was chosen to implement active POE. The LM317 linear stabilizer was chosen to implement the passive POE.
Smart modul integrated in power plug
Rusz, Martin ; Musil, Petr (referee) ; Mlýnek, Petr (advisor)
The aim of this work is focus on Powerline Communication technology and select a suitable type of broadband integrated circuit for the integration of a broadband communication module into an electrical installation box. In the introduction of this work, the Powerline Communication technology, the principle of communication, individual types of technology, factors influencing the quality of transmission, current possibilities and setting goals necessary for the design of the module are analyzed in detail. The result is a miniaturized functional prototype of a fully integrated broadband PLC modem in a wiring box.
Smart socket for electrical parameters analysis with possibility of controlling connected appliances
Musil, Libor ; Krajsa, Ondřej (referee) ; Musil, Petr (advisor)
Thesis deals with the design of intelligent electrical socket. At the beginning of the thesis, there are described the characteristics of the distribution network in the Czech Republic and the ways of measuring these properties. The selected integrated circuit that realizes the measurement is described in detail. The third chapter deals with the current possibilities of power management, especially from the perspective of the distribution company and the concept of smart networks. The fourth chapter deals with the selection of communication interface suitable for smart socket as an element of smart home. The selected IEEE 802.15.4 standard and the microcontroller implementing the communication itself are described in more detail. The following part of the work is about design of the intelligent socket development board, on which the concept is tested and the design of the final hardware is described in this chapter. The last chapter describes the measurement results realized by the created device.
BPL modem
Chromý, David ; Mlýnek, Petr (referee) ; Musil, Petr (advisor)
This work deals with the issue of PLC with a focus on BPL technology (Broadbandover-power lines), which is explained in the theoretical part. The work describes in detailthe main components for PCB design with manufacturing and mounting process. Fur-thermore, the thesis provides instructions on how to establish communication betweenBPL modems and a description of individual functions. In conclusion, the procedureof measuring the noise intensity in the 230 V power line is described with the results.The output of the diploma thesis is the selection of components and the implementationof printed circuit boards for two BPL modems. These modems allow to measure SNR(signal to noise ratio) at physical speed.
CIP industrial protocol simulation
Molent, Michal ; Musil, Petr (referee) ; Blažek, Petr (advisor)
The thesis is about industrial automatic CIP protocol, which belongs to SCADA systems. The first part is focused on basic principles of CIP protocol and on analysis of two protocols (EtherNET/IP and DeviceNet), which are based on CIP protocol. The second part deals with designing scenarios for a simulation. The simulation of one-way communication, two-way communication with help of reads from the console and two-way real time communication between Raspberries PI 3B+. The third part deals with a realization of the simulation, a start-up and a function of predefined scenarios and graphic interface. The fourth part deals with analysis network communication in situations, which occur during a protocol EtherNet/IP simulation.

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7 Musil, Pavel
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