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Lokalizace na bázi Bluetooth
Machyňák, Augustin ; Rozman, Jaroslav (referee) ; Janoušek, Vladimír (advisor)
The thesis deals with the development of a device localization system using ESP. The system uses signal strength information to estimate the distance and then uses multilateration techniques to estimate device positions. To obtain the relative positions of the receivers it also uses signal strength, making it very user friendly to setup and configure. The resulting positions are either processed on the ESP itself with simple visualization or it is possible to use an external server implementation to process them with historical data and a more suitable visualisation of the positions. However, the accuracy is not satisfactory and only suggests the use of map generating techniques for each specific environment using which to determine, what combinations of received signal strength values correspond to each position is a more appropriate method for localization.
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Controlling LEGO Technic Active Elements from EV3
Blaško, Daniel ; Polčák, Libor (referee) ; Hranický, Radek (advisor)
LEGO Mindstorms je populárna rada programovateľných kociek s rozsiahlou sadou funkcií, ktorá už 25 rokov pomáha učiť deti základy robotiky a počítačových vied, a ktorá sa teší širokej komunitnej podpore. Cieľom tejto bakalárskej práce je vytvoriť hardvérové a softvérové riešenia, ktoré zlepšia kompatibilitu medzi kockou Mindstorms EV3 a ostatnými motorizovanými LEGO súčiastkami, s primárnym zameraním sa na produktovú radu Power Functions. V rámci tejto práce boli v rôznych iteráciách vytvorené radiče, ktoré rozširujú možnosti kocky EV3 ovládať motory, s použitím vlastných návrhov dizajnov plošných spojov a 3D tlačených puzdier. Okrem nich boli vyvinuté softvérové kódovacie bloky, ktoré umožňujú kocke komunikovať s týmito radičmi a ďalšími UART zariadeniami.
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Návrh algoritmu jízdní stability pro laboratorní model vozidla
Šulc, Michael ; Vejlupek, Josef (referee) ; Grepl, Robert (advisor)
This Master's thesis deals with a research study in the area of modelling the dynamics of a four-wheel drive (4WD) and four-wheel steer (4WS) vehicle, including a tyre model together with the design of vehicle stability control algorithms. The work also includes making the necessary modifications to the experimental vehicle, including the design of new control electronics. Based on the proposed dynamic model, the estimation of the necessary vehicle parameters is carried out. On the simulation model, ABS/ASR driving stability algorithms are designed, which are than implemented on the experimental vehicle.
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Information System for Support of Sport Events Management
Tetur, Aleš ; Hynek, Jiří (referee) ; Bartík, Vladimír (advisor)
The goal of the work was to create an information system with integrated electronic timers of various types, according to the type of race. The information system is divided into two independent parts, namely frontend and backend. I used the Spring Boot framework to create the backend. To create the frontend, I used several technologies for creating advanced web user interfaces (Vuetify, VUE.js, HTML, CSS, JS). Communication between both parts is ensured using REST technology. For electronic timers, I used freely available ESP modules. Each timer is a separate and independent unit measuring the given discipline. Furthermore, wireless technology connects individual units to the central module. This central unit is then connected to the web system and automatically stores the achieved results. The measuring modules of the timer are connected to the boards I designed, which determine the measured quantity.
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Stabilizing systems of passenger cars
Odehnal, Jakub ; Vopařil, Jan (referee) ; Kučera, Pavel (advisor)
This Bachelor’s thesis describes basic stabilizing systems of passenger cars. These systems are correcting driving the cars and improve safety of the traffic. The main systems described in this thesis are ABS, ASR and ESP. There are also summarized some other assistant systems. In the end there is also view of various individual car companies and their theories of stabilizing of cars.
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Chassis Electrical Systems
Maňák, Radim ; Janda, Marcel (referee) ; Hájek, Vítězslav (advisor)
Increasing demands onto active safety in service and passengers´s safety. This things requiring progression in technologies. In the first place electronic components were reached the greatest prosperity and improvement. Currently price electronic equipment is approximating to half price in be half car. The most important ones of safety is best quality and trouble-free operation. This project will be described splitting active safety and system integration to the unit system.
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LED display for conveyor for testbed I4.0
Rázek, Stanislav ; Kaczmarczyk, Václav (referee) ; Sýkora, Tomáš (advisor)
The bachelor’s thesis deals with the design of hardware and the creation of software for a matrix LED display, which will then be used in the bartender project. The LED display is controlled by a microcontroller. It is attached between the aluminum profiles forming its frame. Its function is to display information and create a graphical user interface for the dispensing conveyor belt
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ESP/ESC Impact to Behavior of Vehicle
Weigel, Filip ; Mrázek, Vojtěch (referee) ; Strnadel, Josef (advisor)
This bachelor thesis focuses on active safety - ESP. System ESP greatly improves stability of vehicle while turning. The thesis analyses modelling, brake functionality, subordinate systems of ESP - ABS and ASR, physical forces and phenomenons, model example, analysis of problem, design of model, implementation of model and experiments evaluation of implemented model in UPPAAL enviroment. The goal of the thesis is to prove that ESP system helps to stabilize vehicle while turning by simulation of vehicle model. Results are presented in well-aranged graphs side-by-side. It is possible to analyze the behaviour of vehicle while turning with ESP or without ESP.
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