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Design of low-cost control unit for DC/BLDC motors
Pospíchal, Tomáš ; Najman, Jan (referee) ; Rajchl, Matej (advisor)
This thesis deals with design and construction of motor driver, firmware for STM32H7 a software UI in Python. Motor driver has four total half bridges, from two H-bridge Smart Gate Drivers. Motor driver is designed for 100W DC/BLDC motors. Communication over USB 2.0 HS, using CANOpen protocol with IEC 61800-7 device profile. Motor driver could be used for lectures and demonstrates USB 2.0 HS capabilities of STM microcontroller.
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Design and implementation of a CANopen communication unit
Řehák, Tomáš ; Kovář, Jiří (referee) ; Houška, Pavel (advisor)
This diploma thesis describes the design and implementation of an industrial communicator for synchronization and control of electrical drive controllers with the interface of RS232 or CANopen. Hardware of communicator uses the EMX development system by GHI Electronics. Communicator software is implemented in C# by the .NET Micro Framework. Communicator allows user to adjust and control up to four electric motor drives. After a successful connection with each unit, communicator can control its position, which specify the number of revolutions to the nearest thousandth of a turn. Communicator also periodically finds out and displays the current position of the connected units. User operates the communicator with GUI, application instructions are entered via the touch screen or buttons.
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CAN Protocol for Control
Pavlišin, Tomáš ; Reichel, Mikuláš (referee) ; Hynčica, Ondřej (advisor)
The goal of this thesis is to control motor drive with implemented CAN module. The control is carried out by development board from NXP company LPC11C24, through CAN bus communication with expansion extension CANopen. The thesis also contains microprocessor software controlling industrial device VTA-DOOR, application to test communication and user program for PC which is used to changing control parameters.
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An Ethernet-CAN controller for mobile robots
Uherka, Bohumil ; Florián, Tomáš (referee) ; Burian, František (advisor)
The diploma thesis deals with creating the Ethernet converter protocol UDP of the CAN bus with the used application layer CANopen. The converter is executed by means of the microcontroller ARM Cortex-M3, namely by STM32F107VC by STMicroelectronics. The project is designed for the purpose of serving as the main motor controlling card of the mobile advertising robot FektBot. In the theoretical part you can find a brief analysis of the ARM microcotrollers problematics, particularly the STM32F107VC. Then the thesis introduces the Ethernet technology including the UDP protocol. Finally, the CAN bus and its application layer CANopen is described. The practical part shows first of all the scheme of converter hardware. You can find there the design of printed circuits including all components for proper functioning, i.e. especially the microcontroller STM32F107VC, Ethernet PHY, the CAN bus transceiver and switched stabilized supply. Next chapter describes software creating for the given converter. Firstly there are analyzed possible ways of STM32F107VC programming, and then there is the main conception of resolving the programming part shown. The thesis then deals with the concrete implementation of the UDP Ethernet protocol. For that, the lwIP stack is used, over which the application layer of the FektBot robot works. Then there is analyzed the implementation of the CAN bus and CANopen. At the end of the practical part, the final execution of the converter software and the ways of its testing are described.
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Two channel stepper motor controller
Hýbl, Matouš ; Arm, Jakub (referee) ; Žalud, Luděk (advisor)
Cílem této práce je vývoj dvoukanálového kontroléru krokových motorů. V rámci práce je popsán jak vývoj elektroniky, tak vývoj příslušného software. Elektronika kontrolŕu je založena na mikrokontroléru STM32F405 a driverů krokových motorů vyráběných firmou Trinamic. Pro komunikaci s nadřazenými systémy je implementován protokol CANOpen a sběrnice I\textsuperscript{2}C a USB. Elektronika byla navržena v software KiCAD and využívá čtyřvrstvého plošného spoje a moderních výrobních technologií. Co se týká software, byl vyvinut jak firmware pro mikrokontrolér, tak software pro ovládání kontroléru. Obě části software využívají programovacího jazyka Rust, který se zaměřuje na bezpečnost práce s pamětí, rychlost a zero-cost abstrakce. Sekundárním cílem této práce je ukázat, jak lze tento programovací jazyk s výhodou použít pro programování nízkoúrovňového embedded software. Firmware kontroléru implementuje nezávislé řízení pohybu obou os kontroléru a to jak v rychlostním, tak v pozičním režimu a zároveň implementuje bezpečnostní funkce pro případy selhání komunikace. Výsledný kontrolér by měl být použit v rámcí výzkumné skupiny Robotiky a Umělé Inteligence a studenty na Ústavu Automatizace FEKT VUT.
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Mobile Robot Path Planning Simulation and Calculation.
Koch, Zdeněk ; Šorm, Milan (referee) ; Matoušek, Radomil (advisor)
This thesis deals about design and realization software application "Mobile robot studio" for planning path mobile robot in pseudo 3D world. It contains several tools, witch most important are: simulation control, path planning, world editor and commands editor for CAN. Application was made by technology .NET 2.0 and for 3D design was used Microsoft DirectX 9 API. This thesis has been supported by the Czech Ministry of Education in the frame of MSM 0021630529 Research Intention Inteligent Systems in Automation.
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PLC Drive Control by means of CAN Bus
Polach, Tomáš ; Němec, Zdeněk (referee) ; Matoušek, Radomil (advisor)
The theme and goal of this diploma is a draft and a method of application of a drive algorithm of an omni directional robot. The robot is driven with the aid of a PCL from the X20 series, produced by Bernecker&Rainer. The propulsion is provided using 3 integrated regulating driving mechanisms, IclA D065 produced by SIG Positec, which communicate via the CAN bus. Furthermore, the robot uses sensors to read the positioning of its chassis and undercarriage in order to identify the traction quality of the surface of the terrain below and subsequently reduce skidding. This sensor uses the RS 232 bus to communicate with the PLC. Thanks to all the above-mentioned and characteristics of power supply, the result achieved is a totally autonomous machine.
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Force control possibilities of linear drives
Merzliakov, Evgeniy ; Šubrt, Kamil (referee) ; Houška, Pavel (advisor)
This bachelor thesis is about force control possibilities of linear drives. It contains the dividing of linear drives, the description of motion controller and linear drive, which were used for experiment. Also it contains the description of communication protocol, methods and principle of regulation, designing of the experimental equipment and the program in NI LabVIEW as well as the results of measurement with this software.
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Design of low-cost control unit for DC/BLDC motors
Pospíchal, Tomáš ; Najman, Jan (referee) ; Rajchl, Matej (advisor)
This thesis deals with design and construction of motor driver, firmware for STM32H7 a software UI in Python. Motor driver has four total half bridges, from two H-bridge Smart Gate Drivers. Motor driver is designed for 100W DC/BLDC motors. Communication over USB 2.0 HS, using CANOpen protocol with IEC 61800-7 device profile. Motor driver could be used for lectures and demonstrates USB 2.0 HS capabilities of STM microcontroller.
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Secured transmisation within protocol CAN/CANOpen
Vlach, Josef ; Holasová, Eva (referee) ; Fujdiak, Radek (advisor)
This bachelor thesis deals with the use of the CAN protocol and its higher extensions, specifically CANopen in today's time. The aim of this thesis is to analyse and investigate the security aspects of this protocol. Analyses of currently available solutions that can be used to ensure the security of the protocol, bus or peripheral security are presented. The main contribution is the analysis and design of security for the CAN protocol using TLS with the support of the open crypto library wolfSSL. The demonstrative design represents a client and server state that are authenticated against each other using a digital certificate and have encrypted communication secured.
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