National Repository of Grey Literature 16 records found  1 - 10next  jump to record: Search took 0.01 seconds. 
Issue of Migrating from Single-Core to Multi-Core Implementation of Operating System
Matyáš, Jan ; Šimek, Václav (referee) ; Strnadel, Josef (advisor)
This thesis discuss necessary changes needed in order to run MicroC/OS-II on multicore processor, mainly Zynq 7000 All Programmable SoC which uses two ARM Cortex-A9 cores. Problems that arise during this transition are also discussed.
Development board with 32-bit ARM-based processor
Jůn, Lukáš ; Šebesta, Jiří (referee) ; Frýza, Tomáš (advisor)
The content of this thesis is to create a detailed description of 32-bit ARM-based processors. Reader will be inform about the each one of the family of ARM-based processor, about the options of creating applications for these CPUs. The Applications are commonly developed by using the C/C++ language. This text also deal's with the development environments. These tools are making easier the development of new applications. This thesis also contains a complete design and description of development board with Atmel AT91SAM7S64 MCU (with sample of source code included).
Electronic tachometer for spark-ignition engine
Bradáč, Pavel ; Lukeš, Zbyněk (referee) ; Šnajdr, Václav (advisor)
This tachometer is based on non-contact speed sensing, voltage pulses sensed on ignition cables are processed by microcontroller. Tachometer is used for measurment rotation speed gasoline engines for two-stroke and four-stroke engines. Measured data are shown by graphic LCD display.
Design and realization of photodetector using Arduino platform
Vrána, Milan ; Háze, Jiří (referee) ; Veverka, David (advisor)
Arduino, Arduino Nano, Processing, photodetector, optical gate, communication, UART, I2C, interrupt, timer, application, temp measurement, humidity measurement, electroscope, 3D print
Racing Motorcycle On-Board Computer
Dokulil, Marek ; Šimek, Václav (referee) ; Crha, Adam (advisor)
The bachelor work is divided into three main sections. The first section deals with the description of the onboard computers available on the market that can be used on a racing motorcycle. The second part of this work focuses on the possibility of scanning speed engines, primarily gasoline, where the principles are described. In the third part there is described the design of the onboard computer and its construction. After reading the third part, the reader should be able to construct his/her own onboard computer according to that design.
Table tennis robot
Nguyen, Thuc Tuyen ; Věchet, Stanislav (referee) ; Marada, Tomáš (advisor)
This diploma thesis deals with designing and manipulating a robot for training table tennis. Robot's mechanical construction is based on aluminium profiles supported by various standardized assembly units, such as rotating bearings, plain bearings, threaded rods... The front-end part of the robot, which requires better deformation property and lighter weight, was made from ABS material using 3D rapid prototyping technology. The design of the robot allows its body to rotate around three axises. Thanks to the high dynamical ability, robot can be set to throw balls to various places on the playing table, with different types of ball spin. Balls will be shot out by two rubber wheels, which are attached to two electrical DC motors. By driving the speed of the two motors, we can control the speed of the ball, as well as speed of its spin. All robot's activities are driven by an embedded system designed using microcontroller ATMega128. A firmware for controlling robot's function was writen and flashed into the microcontroller. End-users might communicate with the robot via a system of buttons and a text LCD display. The built robot was tested and it has shown its ability to throw balls to 6 different places of the playing table, at different speeds, with different types of ball spin, and different spin speed, according to the parameters set by user.
Adjustable timer for three-phase motor
Motyčka, Lukáš ; Petržela, Jiří (referee) ; Hruboš, Zdeněk (advisor)
The thesis describes several potential solutions of an adjustable timer, such as monostable multivibrators, asynchronous (ripple) and synchronous counters and microcontrollers. It also deals with issue of switching three-phase asynchronous motors with limit a high starting current on starting - star-delta switch, softstarter, frequency inverter. Particular attention is focused on the conceptual design of the timer using micro- controller Atmel (timer control unit), LCD (display device) and control switches. The microcontroller will be complemented by external 32,768 kHz watch crystal, necessary for real-time function - Real Time Counter (RTC). The cause for this choice is not only simplicity and clarity of control to the operator, but also reliability, low power consumption and also the price of the device itself.
Verification of SoC with ARM Cortex M0/M0+ processor
Gumenyuk, Artem ; Dvořák, Vojtěch (referee) ; Fujcik, Lukáš (advisor)
The work deals with the theory of operation of the ARM Cortex-M0/M0+ processor and analyzes the design possibilities of verification components. It describes the design and implementation of verification components for monitoring the correct operation of the system with an ARM-CortexM0/M0+ processor and displaying important data throughout the simulation run. It then demonstrates component outputs on an assembled reference design.
Design and realization of photodetector using Arduino platform
Vrána, Milan ; Háze, Jiří (referee) ; Veverka, David (advisor)
Arduino, Arduino Nano, Processing, photodetector, optical gate, communication, UART, I2C, interrupt, timer, application, temp measurement, humidity measurement, electroscope, 3D print
Racing Motorcycle On-Board Computer
Dokulil, Marek ; Šimek, Václav (referee) ; Crha, Adam (advisor)
The bachelor work is divided into three main sections. The first section deals with the description of the onboard computers available on the market that can be used on a racing motorcycle. The second part of this work focuses on the possibility of scanning speed engines, primarily gasoline, where the principles are described. In the third part there is described the design of the onboard computer and its construction. After reading the third part, the reader should be able to construct his/her own onboard computer according to that design.

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