National Repository of Grey Literature 73 records found  1 - 10nextend  jump to record: Search took 0.00 seconds. 
Autonomous control system for composite materials heating
Lapčák, Adam ; Levek, Vladimír (referee) ; Šteffan, Pavel (advisor)
This thesis focuses on designing an autonomous system intended for heating surfaces made of conductive composite material. The design involves smart electronics design for integration into distribution boards and the ability to control power switching elements. Emphasis is also placed on the possibility of remote system control via the internet network. For an easy deployment in any location, the autonomous system will use a mobile network. System control will be realized with a dedicated HTTP API server along with a custom user application.
Hybrid module for industrial localization
Sedláček, Petr ; Fuchs, Michal (referee) ; Kubíček, Michal (advisor)
Tato diplomová práce si klade za cíl návrh hybridního lokalizačního zařízení, které je schopno lokalizace uvnitř i vně budov. Lokalizace uvnitř budov je dosažena pomocí technologie Ultra Wideband a venkovní lokalizace je provedena pomocí kombinace technologie RTK GNSS a PPP pomocí open - source softwaru zvaného RTKLIB. První část textu se zaměřuje na vysvětlení používaných technologií a výběr nejpřesnější technologie pro venkovní lokalizaci. Druhá část se zaměřuje ma vývoj potřebného hardware a software finálního zařízení a na integraci systému pro venkovní lokalizaci do systému pro lokalizaci vnitřní. Výstupem práce je plně funkční zařízení, které je schopné plynulé lokalizace uvnitř i vně budov. Funčnost celého zařízení je dokázána na finálních testech uskutečněných ve vnitřních i venkovních prostorách. Na závěr také práce zmiňuje možná vylepšení celého zařízení, která mohou být v budoucnu provedena.
System for Automatic Object Tracking
Kerndl, Michal ; Macháň, Ladislav (referee) ; Šteffan, Pavel (advisor)
There is suggestion of obtaining exact position in this work, based on GPS and GSM modules controlled by PIC microcontroller. Layout of this work is electronic schematic, PCB footprint and theoretical analysis of used modules. The practical part of work is also dealing with software for both microprocessor and web interface. The function prototype will be created and tested in next phases of this project.
System for Recording and Reporting Fault States of Cooling Devices
Jašek, Filip ; Vašíček, Zdeněk (referee) ; Šimek, Václav (advisor)
The thesis deals with the design and creation of a system for recording and reporting error states of cooling devices on the principle of a compressor heat pump. An important element of the concept of the entire monitoring system is a built-in platform based on the ESP32 microcontroller for evaluating data measured by sensors. Another key element is the communication module, which sends measured data via GPRS in the form of MQTT messages to the service web application. The application receives, evaluates and records measured data. Subsequently are measured data and evaluated error states presented to the user in the form of tables and interactive graphs.
Device for personal identification and data sharing
Severa, Pavel ; Klusoň, Vladimír (referee) ; Friedl, Martin (advisor)
Result of my work is make device for logging visitors or game players. I arranged to make two devices, web pages and communication protocol between server and devices. Graphical device will have graphical display with HDMI input, Raspberry main board, NFC reader, camera and GSM module. Second device will have microcontroler ATMEGA644, NFC reader, 2-4 line text display and optional GSM module. Both device will communicate with server via GPRS. Server can change configuration of devices and colecting logs
Application of GPRS module for real-time transmission of JPG files
Rusinský, Jan ; Hošek, Jiří (referee) ; Dostál, Otto (advisor)
This document describes a design procedure of interface between VGA camera and GSM/GPRS modem for displaying JPEG pictures captured by camera on website. Interface is realized by eight-bit micricontroller ATMEL with application written in C language. For picture transfer to server a TCP/IP stack is implemented into modem. The document is divided into two main parts. The first part describes architecture of the system, used components (camera, modem, microcontroller) and electronic circuit design. The second part of the document is focused on the software for the system. Firstly operating system of modem is desribed, OpenAT development environment for modem application design and WIPsoft library, which is used to implement TCP/IP stack. Next is described application for microcontroller which controlls camera and modem. Last part of this document describes server application and web interface.
Remote data acquisition systems
Svadbík, Vít ; Zeman, Václav (referee) ; Mišurec, Jiří (advisor)
This work construes usage phone lines, system GSM and GPRS, internet and communication after high - tension lead in systems of remote gathering data. With development automated running shoot up need acquisition actual indications about all sorts of quantity. Acquisition these information often action on big distance. Systems for gathering from extensive region mark like „remote data acquisition systems". In first part of this work is accentuate on possibility usage as above channels at remote deduction gauging arrangement. In second part are mentioned counts real metering carrier rate and noise narrowband communication PLC. At the close is state instance usage some circumscribed ways transmission data for meter reading electrometer in municipality Boršice u Blatnice.
Basestation for WSageNt Agent Platform with Using GSM Module
Molák, Josef ; Rozman, Jaroslav (referee) ; Horáček, Jan (advisor)
This master's thesis describes the software and hardware extension of multiagent platform WSageNt to ensure communication between basestation and web interface Control Panel using GSM network. Sensor node FITmote is used as a basestation and modem Teltonika is used as a interface to GSM. The physical interconnection of the devices implementing the newly created bridge to connect different logic voltage levels of their serial interface. Application for basestation was extended to serial communication with modem. This extend provide communication over GSM network to Internet. Application on control server also was modified for TCP/IP communication.
Intelligent systems of mass data acquisition in power grids
Kretek, František ; Mlýnek, Petr (referee) ; Mišurec, Jiří (advisor)
his semestral thesis deals with problems of multiple data collection over power lines. It is included separation of the power lines. Principles and functions of transport technology PLC, GSM and GPRS. Requirements on security of transported data.
System for position monitoring
Brouček, Jan ; Younes, Dina (referee) ; Šteffan, Pavel (advisor)
Bachelor's thesis contains design of device that is able to determine its own location by the GPS. Detected location data are stored on the memory card microSD and they are optionally posted on the web server via the GSM network. Data are stored in GPX format, ensuring the compatibility with commercially available programs and devices. Planed usage of device is for informational tracking of moving objects, or as a car security feature, which can inform user about car position.

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