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Synchronization and Drive Control by Means of the Controller Area Network
Dobrovský, Ladislav ; Kaštovský, Petr (referee) ; Eysselt, Miloš (advisor)
System for motion control via CAN-Bus with USB-CAN converter. Software is divided to two parts. The first part is a server application that enables client applications to use CAN-Bus as a service available on sockets, because the IMF software company "USB-CAN hardware converter" can't be accessed directly by more applications. Client applications control different devices connected to CAN-Bus. Motion control using actuator Berger Lahr IclA D065 in application of 3 axes omni-wheel robot has been impemented. Interroll omni-wheels are used. This application has a graphical user interface done with the GTK+ library. The second, practical part, of the work has been developed in Dept. of Applied Computer Science, FME, Brno University of Technology, under supervision of Ing. Radomil Matousek, Ph.D.
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Telemetry for Dragon IV Formula
Bezdíček, Jan ; Petrlík, Jiří (referee) ; Šimek, Václav (advisor)
The aim of this master's thesis was to design and construct complete telemetry system for the student formula Dragon IV constructed for international Formula Student competition. At first, the work deals with the measurement of the physical quantities, telemetry system and automotive sensors of the formula, their mutual communication and communication with the CAN bus. It also describes the procedure of hardware design including choosing right inertial sensors and a GPS module and their using in telemetry system. The work contains materials for production of two-layer printed circuit board extending the microcomputer BeagleBone Black on the inertial sensors and the GPS module. The bigger part of the telemetry system is the firmware for hardware and software for the computer user. Both written in programming language C++ and C# are included in this work as well. This user application serves for wireless receiving data from the hardware and their showing and logging. In addition this user application can be used for wireless hardware configuration. The final product is the complete telemetry system and it is suitable for selling to end customer.
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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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Home automizing system
Papoušek, Marek ; Bohrn, Marek (referee) ; Pavlík, Michal (advisor)
The work deals with a design and realization of the comprehensive system of home automation. Individual elements of the system communicate utilizing CAN bus. Home automation system should provide lighting, heating and security management. The system should be controlled by tablets with android operating system utilizing developed control software. Microcomputer Raspberry Pi is used to control the automation system.
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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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Data diagnostics in modern car control units
Hájek, Ondřej ; Vítek, Richard (referee) ; Prokeš, Aleš (advisor)
Presented Diploma thesis is aimed on design and implementation of car diagnostic interface of engine control units EDC. Diagnostic interface provide communication between car and computer by USB interface. User will be able to task commands by developed computer application. For developing application is necessary to get information about used protocols and basic knowledge in car’s hardware. Understanding OBD2 standard and communication protocol CAN, eventually KWP is necessary for design the solution. Main purpose of this thesis is to store enough usable information about car diagnostic for future continuation.
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Unit for communication in scientific instruments
Hucl, Václav
We made device for communication between the computer and devices connected to the communication CAN (Controller Area Network) bus in the laboratory. This equipment generates four independent branches of the bus, which can communicate with each other, but short circuit, disconnection or other disorder in one of the branches does not affect the other three branches. Using the CANHUB card we can also interface devices connected CAN bus to a computer via USB or Ethernet. The hub consists of two AMIS-42770 integrated circuits. CAN/USB and CAN/Ethernet interface functionality is provided by a pair of Freescale 56F805 microcontrollers. The maximum communicating speed is 800 kbps while the devices in all braches of the bus must be set up to the same communication speed.
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System for stabilizing femtosecond lasers
Čížek, Martin
We describe a device intended for stabilizing optical frequency combs with respect to high-grade RF oscillators. The whole designed system is modular and can be adapted to actual conditions given mainly by level, frequency and signal to noise ratio of the processed signals. The device is based on a specialized integrated circuit (IC) that contains functional blocks for direct digital synthesis, digital phase detection, limiters, programmable dividers and control logic. The specialized IC is accompanied by specially developed control electronics based on a microcontroller that allows communication via CAN bus. This allows remote management of the whole system and integrating it into complex automated experiments with optical frequency synthesizers. The device is used for stabilizing offset or repetition frequency of the optical frequency comb. To ensure best possible conditions for a fast first-order controller the setup is extended by a slower second-order controller with a high dynamic range. This second-order controller is built around a specialized 18-bit AD/DA card and a software application in LabView environment. The bandwidth of the closed control loop can be up to single MHz. The only limiting factor is the tuning speed of the femtosecond laser.
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Control electronics for laser systems
Čížek, Martin
The presentation is focused on the electronics being developed and used in experimental setups at the department of coherence optics of the ISI ASCR. Specialized detection and control cards for applications in the field of laser interferometry are the main part of the presented work. The contribution also discusses utilizing CAN bus and ethernet in the modern laboratory practice.
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