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Návrh a realizace zařízení pro měření síly v tahu u SMD / Design and realization of the pull strength measuring device for SMDValíček, Jan January 2013 (has links)
This thesis deals with the design and implementation of a device for measuring pull strength by surface mounted devices (SMD). It analyzes the theory of pull strength testing of solder joints with emphasis on standard IEC 62137-1-3 and describes the selection of components utilized to create mechanical construction and electrical parts. These electronic parts made or innovated in this work were control system based on microcontroler Atmega164P, power circuit for stepper motor and communication of measure equipment TEST 321 with PC. The whole design is complemented by simulation of mechanical stress to the critical components using ANSYS. The conclusion summarizes the most important parameters of this equipment.
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Meteostanice / Weather StationBeneděla, Pavel January 2013 (has links)
This thesis deals with conception of proposal and implementation of a weather station. Weather station is composed of three main parts which are measuring station, showing station and USB wireless receiving module. Measuring station measures basic meteorologic variables and sends measured variables through wireless communication. Showing station is designed to present measured data with graphics user interface and generate data for a web server.
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Informační portál s WWW rozhraním / Info-portal with WWWPilný, Jiří January 2014 (has links)
This thesis deals with conception of info-portal controlled by Ethernet connection. The system is divided into three parts: web server, control electronics and flip-dot panel. The information to display is sent to or received from the web server. The info-portal is equiped by sensors for measurement of interior parameters (temperature, humidity and atmosferic pressure).
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Vyhodnocování, zvládání a snižování stresu / Stress Evaluation, Coping and ReductionKoutný, Pavel January 2014 (has links)
The diploma thesis concentrates on the stress that the vast majority of employees face today. The thesis analyzes the various types of stress, its indication and manifestation. Furthemore, the factors that contribute to stress, their identification and elimination are also discussed. The focus of the thesis is on the theoretical analyzis of the problems. Moreover, it measures the stressors on the workplace, too. Specifically, it evaluates the level of stress in P&L spol. s.r.o. In the conclusion, the recommendations that decrease the detected stress factors are given.
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Výpočtové modelování funkce lidských hlasivek / Computational modelling of function of human vocal foldsKlíma, Jaromír January 2009 (has links)
Master thesis deals with creating of the numerical model of the human vocal folds. Calculation algorithm is designed to include vocal chordsinteraction with the air flow. Analysis of the results achieved by the numerical simulations and calculations are focused on the pressure and velocity conditions in the areas under vocal folds, between vocal folds and above vocal folds. Movement and stress analysis of individual layers of vocal folds has been made. This analysis is limited only for physiological health vocal folds without pathology and disease. Modal analysis of structural and acoustic environment, backround research of vocal folds function and summary of some published overviews of numerical models is part of this work.
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Náhrada základních výměníků v Teplárně Malešice / Replacement basic heat exchangers in Malesice heating plantRybka, Tomáš January 2009 (has links)
The main goal of this master´s thesis is a proposal of double way heat exchanger with integrated air-vapor mixture cooler and compare of heat transfer surface´s materials. Second goals are solidity dimensioning of this heat exchanger and economic effectiveness of used heat transfer surface´s materials.
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Výpočtové modelování interakce kmitajících hlasivek s proudem vzduchu / Computational modelling of interaction between oscillating vocal folds and air flowPavlica, Ondřej January 2011 (has links)
Master thesis deals with creating numerical model of the human vocal folds. Calculation algorithm includes interaction between vocal chords and the air flow. Modal analysis of structural and acoustic environment, backround research of vocal folds function and summary of some published overviews of numerical models are parts of this work. Analysis of the results achieved by the numerical simulations and calculations are focused on the pressure and velocity conditions in the areas under vocal folds, between vocal folds and above vocal folds. Movement and stress analysis of individual layers of vocal folds has been made. Impact of tissue thickness on resulting behaviour has been assessed.
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Návrh zařízení pro testování atmosférických rezistorů / Design of stand for atmospheric resistors testingKerek, Milan January 2015 (has links)
This master’s thesis deals with the design and manufacture of device for testing and verification of functionality of atmospheric resistors produced by IMI CCI Czech Republic. An atmospheric resistor, also called disk stack, is a stack of disks through which the medium flows and the system of labyrinths in disk stack causing a pressure reduction of medium. This thesis describe design of the mechanical parts of stand for atmospheric resistors, choice pneumatic circuit’s components, data acquisition hardware for measuring flow, inlet and outlet pressure, and temperature. The software was created in LabVIEW programming environment. In the end of this paper was done measurement in order to test functionality of test stand and software.
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Posuvná a zvedací plošina / Sliding and Lifting PlatformKučo, Stanislav January 2014 (has links)
This thesis describes a project of a mobile stage device that will be used for a concert tour of Lucie. The first part characterizes the given task and expounds description and function of the device itself. The second part focuses on the design concept of supporting frames. This is followed by design and calculation of all mechanisms, actuators and construction of individual moving parts of a sliding and lifting platform. The last part verifies stability of the whole construction in accordance with appropriate standards. The thesis also contains technical documentation, which is to be found in appendix.
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Model pro určení směrovosti šíření zvuku / Sound emission directivity modelZdvyhal, Marian January 2016 (has links)
This diploma thesis solves creation of a computing model of sound propagation for determination of acoustic pressure level around multiple point sound source with consideration of sound directivity of each source (compresor and fan). Thesis contains neccesary theoretical knowledge for creation of computing model and basics of sound measuring, theoretical computing model, measurement data of real unit and model configuration for real measured values. Computing code of the model in Visual Basic for MS Excel is a part of the thesis.
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