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Data concentrator
Dvorský, Petr ; Arm, Jakub (referee) ; Fiedler, Petr (advisor)
The topic of this thesis is the design and realization of a modular Data concentrator for various types of measurements in diverse conditions. The device conception, basic principles, design and functionality are described herein. Also, the lightweight protocol design for radio communication, standardized XML format for data storage and cloud usage are described. The electrical design of the device as well as the design of the printed circuit board was made using the Eagle Autodesk electronic design automation software (Eagle Autodesk EDA). The control software written in C/C++ for a target microcontroller (ESP32-WROOM-32) is based on a FreeRTOS platform and ESP-IDF framework. An IDE for managing this software is Visual Studio Code with PlatformIO extension. Selected and used Cloud Platform is ThingSpeak from Mathworks, which uses certain components from Matlab platform.
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Building control systems
Bittner, Jakub ; Janík, Daniel (referee) ; Fiedler, Petr (advisor)
The objectives of this thesis are creating laboratory equipment and laboratory manual forteaching. First the basics of inteligent electrical instalation based on KNX standard aredescribed. The description include comunication and topology of such electrical instala-tion. Then the creation of laboratory equipment is described as well as programming ofused devices. The equipment will be used for teaching electrical systems. Last part ofthesis includes laboratory manual.
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HW and SW for Ethernet-to-IEEE802.15.4 bridge
Růžička, Tomáš ; Štohl, Radek (referee) ; Fiedler, Petr (advisor)
The present work includes theoretical information about network protocols, Ethernet (TCP/IP) and IEEE 802.15.4.Work also includes design of the converter realiyed using the development kit RCM 3365 from the Rabbit Semiconductor company. The converter works with the UDP, which can be converted to packets of wireless standard, or from a wireless packet can create a UDP packet. The wireless part was replaced with a serial interface RS-232, after which the packets travel in wireless standard IEEE 802.15.4. To create and monitor data on the Ethernet and RS-232 three external programs are used.
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Entrance and security systems
Kohut, Michal ; Bradáč, Zdeněk (referee) ; Fiedler, Petr (advisor)
During writing this bachelor labour I strived to describe some entrace and security systems and their parts. Also some functions and usage of these systems were consecrated and there was introduced their division. I concerned also with observing of preventive exchanges, their properties and operating. At the end there was proposed a status automat machine of a smaller preventive exchange, which was adjusted in the program IAR visualSTATE.
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House alarm - hardware
Vlach, Jiří ; Štohl, Radek (referee) ; Fiedler, Petr (advisor)
This work deals with the design and realization of a modular security central unit's hardware positioned in familial houses. As an operating component of the central unit is used Module Rabbit 3365 with an integrated Ethernet interface. Based on user's requirements and general requirements for electronic security system, circuit diagrams of the central unit's motherboard and power supply with a function of backup power supply are designed. The work also includes layout of a keyboard and LCD display. Printed circuit boards are designed, produced and assembled. The device is set to work. The last part concerns programming of the module Rabbit 3365 in Dynamic C. Gradually, set of operating functions for individual components of the security central unit are implemented.
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Temperature monitoring system with Ethernet output
Hanák, Václav ; Bradáč, Zdeněk (referee) ; Fiedler, Petr (advisor)
This master‘s thesis deals with temperature measurement in industrial environment. The first part of this thesis is aimed at studing basic principles of temperature measurement using resistive temperature detectors. Next parts describe design and practical implementation of inteligent temperature transmitter with digital output RS485. This incudes detailed design of circuit solution, printed circuit board, firmware for used microcontroller and user‘s software for personal computer. The second part studies basics of the comunication standard Ethernet (IEEE 802.3), it discusses nowadays possibilities of Ehternet implementation to industrial trasmitters. Last parts of the thesis are aimed at design and practical realization of Ethernet communication module.
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Microprocesor based thermostat II
Paděra, Zdeněk ; Fiedler, Petr (referee) ; Zezulka, František (advisor)
Minor thesis is focused on ideological proposal of microcomputer orientated room thermostat, which is used for regulation of room temperature. The thesis concerns total proposal of characteristics and functions of room thermostat, concept of technical implementation and electronic scheme. The thermostat satisfies all the room thermostat requirements and eliminates disadvantages of marketed thermostats. Then algorithms of temperature control was proposed and comparison of these algorithms was realized on thermodynamic model of building. One of these algorithms was tested by the implementation on RABBIT 2000TM TCP/IP DEVELOPMENT KIT. At the close assessment of functionality of the realized algorithm was realized and selection of optimal algorithm for proposed room thermostat followed.
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Implementation of Datex II standard for road transport weather stations
Partika, Marek ; Vlčinský, Jan (referee) ; Fiedler, Petr (advisor)
Master’s thesis deals with implementation of a European standard DATEX II. This standard specifies the data format for information transmission in road transport. The road traffic is flowing streams of current information. For the work was selected network of meteorological stations, which will publish the measured data, ie weather conditions of road transport. Measured data will be available to consumers in the format DATEX II. Implementation will be operational in its entirety meteorological station from design to the actual web service that will produce data information for consumers.
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Smart home base station
Vašek, Jiří ; Štohl, Radek (referee) ; Fiedler, Petr (advisor)
This Bachelor thesis is focused on the design of embedded system built on the RCM3000 RabbitCore module developed by Rabbit. Periphery for communication with external devices such as detectors and sensors will be designed for this module. In the end, the design process of a motherboard with all essential procedures is proposed.
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