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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.
31

Měření výškové polohy těžiště u vozidel SUV / Measuring the height of the center of gravity of SUV's

Foldyna, Petr January 2021 (has links)
The thesis deals with the issue of measuring the height of the center of gravity of SUV´s. The first part of thesis is devoted to the issue of center of gravity and the influence of the height of the center of gravity on driving stability. Furthermore, individual methods of measuring the height of the center of gravity in passenger cars are discussed. The analytic part of the thesis is devoted to experimental measurement of the height of the center of gravity of selected SUV´s at different vehicle load, by the method of tilting the vehicle on the axle. The results of the measurements showed that the height of the center of gravity for vehicles with a capacity for five people is in the range from 606 to 697 mm. The lowest value belongs to the vehicle Toyota RAV4 Hybrid, when loaded by the driver. The highest value was found for the vehicle Kia Sportage, when loaded by three passengers. The Landover Defender, which is vehicle, that has a capacity for nine people, was found to have a height of center of gravity ranging from 705 to 874 mm. The lowest value was found when loaded by the driver, the highest value when loaded by nine passengers. Only for the Nissan Qashqai was the growing dependence between the load increase and the height position of the vehicle's center of gravity confirmed. A similar trend was found for the Toyota RAV4 Hybrid, Jeep Compass and Landover Defender. The determined values can be used in the analysis of traffic accidents of SUV’s.
32

Stavební průzkum a hodnocení stavu konstrukce / Building survey and evaluating the state of construction

Balash, Alan January 2019 (has links)
This diploma thesis is focused on building survey and evaluating of the state of the three-storey industrial hall. The diploma thesis consists of two parts - theoretical and practical. In the theoretical part is described a common procedure for evaluation of the state of existing structures, methods used in diagnostics (selected ones - more detailed), advantages and disadvantages of methods. In the practical part is carried out construction and technical survey of the industrial hall, the concrete strength evaluation and verification of presence and type of reinforcement. At the end of the work - evaluation of objects.
33

Analýza současných metod měření prostorové polohy koleje / Analysis of Current Surveying Methods of Railway Track Spatial Position

Langar, Tomáš Unknown Date (has links)
This diploma thesis deal with analysis of current surveying methods of railway track spatial position of the track section located between Břeclav and Znojmo. At the beginning of the work there is described historical development of railway geodesy in our country and conditions of railway geodetic points field abroad. Further there are mentioned rules for measurement of railway point fields in the Czech Republic. In the following chapter you will find sub-stages of building railway point fields in track section with analysis of accuracy measurement and a proposal of prior accuracy of measurement for computing with the least square method. In the end of the thesis there is described a calculation of parameters spatial track geometry with the suggestion of computing service for uniform way of calculating partial stages of railway geodetic point field.
34

Multifunční monitorovací pás / Multifunctional monitoring belt

Dítě, Martin January 2019 (has links)
The aim of this thesis is to develop a wireless monitoring belt based on literature review. The belt will be capable of scanning heart rate, respiratory rate, body temperature, motion, position, and falling of the user. Another aim is to also design a software for data reception and analysis focusing on pulse, respiratory rate, and temperature alarms.
35

Modulární systém pro měření charakteristik dvoupásmových reproduktorových soustav / Modular system for measuring the characteristics of two-way loudspeaker systems

Pešek, Marko January 2019 (has links)
This master's thesis deals with design and implementation of modular system for two-way loudspeaker system's characteristics. Work focus mainly on the enclosure geometry and speaker placement. The individual modules of the system were designed and then implemented. Furthermore, the characteristics of these modules were measured and laboratory tasks using these modules were elaborated.
36

Platforma pro měření atmosférických veličin / Platform for Measurement of Atmospheric Quantities

Hanák, Jiří January 2021 (has links)
This work is dealing with the design and implementation of an embedded system for aerology measuring. The aim of the system is to monitor atmospheric states during an ascent in the suspension under an meteorological balloon.   First of all, attention is given to the Earth's atmosphere and its quantities, then an overview of existing systems for performing aerological measurements. The core of the work is focused on the choice of measurement techniques and the selection of suitable measuring elements for a given scenario. The aerological probe is using atmospheric sensors HIH-8131-021-001, MS5611-01BA03 and PT1000-550 for temperature sensing, while GNSS data is received using the MAX-M8Q-0 module and the measured data is stored on a microSD card and transmitted in parallel using the MTX2-434.650-10 radio module. The system is controlled by STM32L1 from STMicroelectronics programmed in C using  HAL abstraction layer.
37

Elektronický snímač letových parametrů. / Flight statements electronic sensor.

Harant, Josef January 2009 (has links)
This diploma thesis deals with theoretical analysis, design and practical solution of flight statements electronic sensor. This device is primarily intended for measuring telemetry data during aerobatic flights. Theoretical part contains fundamentals of GPS and inertial navigation systems. Design of the device is divided into three parts - design of block structure, construction and software for the measuring device. The final realization is made with respect to minimal system requirements and to possible future extensibility for wider usage spectrum.
38

Určení pozice útočníka při pokusu o neoprávněný přístup do operačního systému / Location of attacker attempting unauthorized access to operating system

Pokorný, Josef January 2013 (has links)
My master thesis estimates physical location of potential operating system attacker. It deals with basic methods of attack against operating system: spam and viruses, searching the Internet, port scanning and operating system detection. The thesis disserts about a port scanner Nmap, a port scanning detector Scanlogd and about a system log watch Swatch. The thesis deals with geolocation methods of potential operating system attacker. These geolocation methods are divided into an active and a passive types. The active methods measure delay in the Internet. The passive methods query the database. I mentioned a freely accessible Whois database and MaxMind databases. There is a program developed and practically tested. The program simulates an attacker beginning an attack by scanning ports of target machine. The program works with dataset of real IP addresses. The program also detects the attack against operating system. The real and evaluated location of an attacker is got and then shown in a map. At the end there is a review of results and data comparison with colleagues.
39

Vizuální systém identifikace letiště / Runway Visual Identification

Mudrík, Samuel January 2013 (has links)
This thesis deals with the usage of optical signal in aircraft navigation systems. The solution is based upon the creation of runway identi cation system working with the record of an onboard camera.
40

Vliv polohy objektu na cenu a náklady stavebního objektu / The influence of the position of the object at the price and cost of the building

Čepl, David January 2017 (has links)
The aim of this theses is to assess the effect of position of the object to its price and costs. It is done to define the possible positions of the object, costs and prices of the structures at selected locations. Prices and costs in selected locations are compared, assessed and evaluated. Therefore, the influence of position on price and costs of the structure is assessed.

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