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CAN Protocol for Automation
Verčimák, Mário ; Jirgl, Miroslav (referee) ; Hynčica, Ondřej (advisor)
The thesis describes basic properties of CAN Protocol. Next point of this thesis is implementation of CAN protocol into Kinetis microcontrollers with use of Kinetis Design Studio. Thesis also describes real application for CAN communication testing. Measurement is realized in school and real industrial conditions. Next point is implementation of real time operating system MQX and creating a task for CAN communication.
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Modular Display System with LED Diodes
Fňukal, Jiří ; Crha, Adam (referee) ; Šimek, Václav (advisor)
The purpose of bachelor thesies is to create a modular display system with LED diodes. The work is divided into three main section. The first section deals with the description of the LED systems available on the market, also contains a description of development platforms. The second part of this work focuses on the industrial buses, with an emphasis on the CAN bus. In the last section is described the design and construction of the LED system. After reading this work, the reader should be able to navigate in LED systems, industrial communication buses and should be able to construct this LED system.
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Real-Time Operating System with Fixed Task Priority for Raspberry Pi
Kolář, Josef ; Peringer, Petr (referee) ; Janoušek, Vladimír (advisor)
The main goal of this work is to create a support for an open-source real-time operating system on the computer Raspberry Pi 3B+. The project FreeRTOS is selected as a great candidate for further work. The runtime environment and support for user-space applications are presented. Two demonstration applications serve as proofs of support, the first one uses two periodic tasks and reports their state to the serial interface. The second demonstration application runds the same periodic tasks, but reporting the state is done using the CAN bus, for which is the driver realised. The result of this thesis is a working system FreeRTOS for Raspberry Pi 3B+ computer with support for time-critical usages.
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Application for Data Acquisition and Processing from OBDII Interface
Kabelka, Michal ; Maršík, Lukáš (referee) ; Zemčík, Pavel (advisor)
This thesis is focused on obtaining data from a car via the OBDII interface. A successive analysis of the measured values, car sensors, control systems and communication principles between them is done. Basic principles for creating Android mobile applications have been also summarized here. However, the main focus is on designing an application which uses a microcontroller ELM327 to communicate with the electronic systems of a real car. The application shows the obtained data in a form that enables the driver to improve his/her driving habits in terms of fuel economy. The application also demonstrates communication with a car outside of the OBDII standard, in this scenario, by controlling a built-in radio in the car.
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Multiple-funktion steering wheel Formule Student
Paulus, Luboš ; Štohl, Radek (referee) ; Havlíková, Marie (advisor)
The Master‘s thesis deals with a creating of display writers on multiple-function steering wheel Formule Student. It is mainly about dates transfered through RS232 or CAN bus from control unit of the Formule to microcontroller. First of all it is necessary to find out, which informations and a which way of displaying them are more useful and readable for drivers. This leads to another point - right choice of display writers, which will be used on the steering wheel. Creation of the design and construction of display device follows.
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Methodology for fault tolerant system state synchronization design and its recovery from faults
Szurman, Karel ; Fišer, Petr (referee) ; Racek, Stanislav (referee) ; Vlček, Karel (referee) ; Kotásek, Zdeněk (advisor)
In this Ph.D. thesis, a new methodology for the fault tolerant system state synchronization design and its recovery from faults is presented. A state synchronization method designed by means of the proposed methodology allows to repair the state of sequential logic elements implemented in the FPGA application logic, which cannot be repaired by the partial dynamic reconfiguration. The proposed methodology describes possible state synchronization design methods with respect to TMR granularity, dependence of the system function on its previous states and the system architecture. The methodology focuses on coarse-grained TMR architectures and state synchronization in the systems controlled by means of finite state machines or a processor. The use of the methodology is demonstrated on the CAN bus control system and the microcontroller NEO430, for which specific synchronization methods were designed. The systems reliability and new ability of the systems for recovery from faults were verified in the presence of simulated SEU faults. The experimental results and the contribution of this thesis are discussed in the conclusion.
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Embedded Control Unit for Instrumentation of Laboratory Appliance
Voda, Zbyšek ; Strnadel, Josef (referee) ; Šimek, Václav (advisor)
Aim of this thesis is modular design of control system for Golem device, which is used for drug research. Several modules with specified controlled area were designed. They communicate using CAN bus and are controlled by Raspberry Pi computer. The thesis includes PCB design and control firmware for modules, backend application for Raspberry Pi, which provides application interface, and simple protocol used for communication between modules. Designed system was tested in simulated environment.
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Real-time Control of Ball on Wheel Model
Krejčí, Roman ; Otava, Lukáš (referee) ; Hynčica, Ondřej (advisor)
This diploma thesis deals with control the Ball on the wheel system in real time. In the first part there is made mathematical model of system, which is described by state equations. Then the laboratory model of Ball on the wheel system and its parts are described. The laboratory model consists servo drive, servo amplifier, microcontroller with real-time operating system and distance sensors. In the practical part of the thesis there is designed control of system by linear quadratic regulator and its implementation with control peripherals into microcontroller with real-time operating system. Ball on the wheel system is controlled by microcontroller, which sends a commands to servo amplifier by CAN bus.
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Possibilities of data analysis from CAN bus
Krišková, Mahulena ; Pančík, Juraj (referee) ; Belák, Michal (advisor)
This Master’s thesis covers possibilities of data collection and data analysis from CAN. Historical background and current trends are described as well as the principle of operation. The aim of this thesis was to provide several methods of data reading and subsequently their possible ways of interpretation for purposes of Forensic Engineering, more precisely, in the terms of vehicle driving dynamics. Owing to the fact the messages on the CAN bus are themselves encoded, one is unable to read them without further decryption. However, the possibilities of decoding are limited. Individual methods of data reading, collection, and analysis are presented. The analysis is focused on the process of data collection form CAN bus and data decryption. From several software options, one was selected as a tool for experimental part.
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Modular control system
Novotný, Jan ; Fiedler, Petr (referee) ; Benešl, Tomáš (advisor)
The work deals with design of electronics for modular control system and all the necessary attributes. In the general part the reader are acquaints with the issues of industrial control systems and describes their functionality. It also describes the communication buses and protocols used in the industrial data transmission and describes real-time operating systems (RTOS). In the practical part, the master thesis deals with the design of its own modular control system consisting of several modules. The modular control system uses its own communication protocol to exchange data between the individual modules. Various possibilities of using this modular control system are discussed.
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