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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
11

Univerzální palubní počítač do auta / Universal Onboard Automotive Computer

Novohradský, Petr January 2015 (has links)
This work includes the complete design of a prototype embedded system for displaying information from a vehicle. ELM327 chip is described and its basic use. Work also describes the development of the diagnostic socket for  vehicles in European countries. Also contains a complete description of developing schematic, printed circuit board and firmware implementation. The thesis describes the use of realtime operating system in embedded system.
12

Externí firemní periodika neboli palubní časopisy dopravců působících v České republice / External customer magazines alias on-board magazines of carriers in the Czech Republic

Kestřánková, Iva January 2016 (has links)
The Master's thesis focuses on the current on-board magazines of carriers operating in the Czech Republic. On-board magazines, ranking among the customer magazines are set in the context of marketing and media communication and subsequently defined on the basis of distinctive content and formal characteristics and communication objectives. There are seven current on-board magazines analyzed within the thesis (Review, Travel Service Magazine, ČD pro vás, Žlutý, LEO Express, Leopold and Můj vláček). Methodological background of this thesis is the qualitative content analysis, specifically two partial research methods: description and comparison. It evaluated thematic structure of each journal, graphic design and linguistic level, the historical development and the distribution method. Part of the analysis is also focused on blending of advertising and editorial content, which were investigated through framing analysis. The results of the qualitative analysis were verified by questionnaire survey.
13

Odhad rychlosti vozidla ze záznamu on-board kamery / Vehicle Speed Estimation from On-Board Camera Recording

Janíček, Kryštof January 2018 (has links)
This thesis describes the design and implementation of system for vehicle speed estimation from on-board camera recording. Speed estimation is based on optical flow estimation and convolutional neural network. Designed system is able to estimate speed with average error of 20% on created data set where actual speed is greater than 35 kilometers per hour.
14

Vliv omezujících stěn na proudění z ventilační vyústky / Influence of boundary walls on the flow from the ventilation outlet

Molčan, Filip January 2018 (has links)
The goal of this work is to experimentally assess the influence of limiting walls of Škoda Octavia 3 automobile cabin to the air jet flowing from the right-front situated automotive vent which is part of a car dashboard. The experiment is performed by the smoke visualization method. There is a single construction option measured for an experiment. The setup of the vanes direction and the air flow rate are modified for this option. The experiment is divided into two phases. In the first phase, the visualization of the free air flow is conducted. In the second phase, exit plates are constructed and consequently, the visualization of the wall-jet flow is conducted. The results of both are compared to each other. The results imply that the influence of the surrounding surfaces must be taken into account with the increasing flow rate for the vanes set in the direction of upper-right, middle-right, and middle-middle. There is a direct interaction between the flow and exit plates (the flow impact, the Coanda effect). The free flow does not contain the information about the mutual interaction between the flow and the exit plates, as it is in the case of the wall-jet flow. In the case of the wall-jet flow, the opening of the flow takes place due to the effect of the impact and the subsequential suction caused by the Coanda effect. The exit plates substituting the car dashboard and the front window contribute to the prevention of the air intake from surrounding space and consequently to earlier flow opening from the vent. The present work also contains the measurement methodology and the image evaluation, the comparison with previous free flow measurements (70% match) and the comparison to the measurement of hot-wire anemometry method.
15

Aplikace pro extrakci a analýzu jízdních dat z OBD-II na iOS / iOS Application for Driving Data Extraction and Analysis via OBD-II

Pihrt, Patrik January 2021 (has links)
This project aims to create a mobile application for iOS devices that provide valuable information about user's car rides. Needed data are obtained by ELM327 located in OBD-II scanner which can communicate with the car. Obtained data are analyzed using table of limits. The application informs riders about their driving mistakes and giving them tips how to fix them. Trips can be saved and exported in the form of logbook. In addition application includes diagnostic functions that can be found in every other diagnostic application.
16

Palubní počítač pro motocykl / Motorcycle on-board computer

Hadwiger, Tomáš January 2011 (has links)
My thesis deals with the construction of on-board computers for a motorcycle. The scheme is based on the parameters of onboard computers appearing on the market. In comparison with the models, which are offered commercially it also allows measurement of the motorcycle’s fuel consumption and location by using GPS. On-board computer measures speed, traveled distance, motor speed and engine temperature. It is controlled by a pair of eight-bit AVR microcontrollers. The measured data are showed by a graphical LCD display with touch screen.
17

Časomíra letu v ultralehkém letadle/vrtulníku / Flight Timer in Ultramicro Aircraft/Helicopter

Široký, Adam January 2015 (has links)
This thesis deals with the development of embedded system for ultra light airplanes and helicopters. The aim is to design a system which would allow to measure and record the length of individual flights. It is therefore an onboard electronic diary which should facilitate and streamline the administration associated with sport aircraft operation. The base of the system is created on microcontroller of the MSP430 family by Texas Instruments. A reader will be offered the used hardware, the system design, the way of function and the possibility of using of the suggested system.

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