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Simulation of air valves and difusers
Bombera, Jiří ; Rubinová, Olga (referee) ; Uher, Pavel (advisor)
The aim of the diploma thesis is the simulation of air valves and difusers using CFD. The goal of this thesis is to determinate the type of air valve and diffusor, which would ventilate the room of a detached house the best – considering the speed of the airflow and the age of the air. Outcome of this work is the design of the air conditioning system for a detached house with application of the air valve and difuser which is evaluated as the ideal option for the ventilation in the room.
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3D Driving School
Kapoun, Petr ; Veigend, Petr (referee) ; Šátek, Václav (advisor)
This thesis deals with design and implementation of a 3D driving school simulator. After the analysis of existing solutions and the design of the simulator, this thesis discusses the issue of checking the rules on the road and the possibility of their implementation in the simulator. The Unity 3D game engine was chosen for this task. The models were created in Blender.
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Design of passive optical network
Žák, Ondřej ; Münster, Petr (referee) ; Reichert, Pavel (advisor)
Diploma thesis is dealing with access networks, especially with the passive optical network. The theoretical part is a list of different types of passive optical access networks, including theirs basic description, which then goes on to feature connectivity options for optical units, customers, including topology of distribution network. Analysis of different types of networks and the possibility of physical and logical design is the basis for successful design and prepa-ration of future optical access networks. Practical part is devoting to data analysis of measurement existing metropolitan network to be used for construction of optical access network in Brno, Ţlutý kopec – Preslova location. Data evaluation showed possibility of connecting with already installed network hence is created proposal of optical access network mentioned before. Selected location is analysed in detail and illustrated on situational scheme of location and customers, whose will be passive split-ters to central office. Consequently is developed project of optical access network based on data analysed date from measurements. Project is study and description of planned solution of optical access network in order to bring Triple Play services to customers. Within the interpretation of the feasibility of the project and verification physical layer pa-rameters of network was made a simulation in OptiSystem. The possibility of successful op-eration of the optical access network with the attributes entered in its design is approved in accordance with the evaluation results. The proposed network is passive in character of GPON standard, and the text describes in detail physical layer, proposed transmission speed, wave and attenuation plan of optical net-work. The work implies a specific line of HDPE ducts and microducts in them, including drawing the maps and identification in-depth. The work contains a description of the elements that are installed on the route – the number, type and eventually its length. Diploma thesis is introducing the technology and construction sequence of access network leading to its opera-tional state.
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Process performance planning
Stoy, Tomáš ; Smékal, Martin (referee) ; Fiala, Alois (advisor)
This thesis deals with the operational planning of production at DT – Výhybkárna a strojírna, a.s., specifically evaluating impacts of the passage of an exceptional order on manufacturing process. Aim is to analyze the current state of process management, to evaluate the impact of additional interventions into the processes and to quantify the costs associated with this intervention in the planned production. All with the minimum cost and maximum efficiency at a given quality. The goal is achieved by simulating of inserting an exceptional order in the enterprise information system.
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HIL test stand for universal electronic control units
Zouhar, Štěpán ; Musil, Filip (referee) ; Brablc, Martin (advisor)
This diploma thesis is focused on testing of Electronic Control Units, especially functional testing in which hardware and software is verified and also Model in the Loop, Software in the Loop, Processor in the Loop and Hardware in the Loop testing methods. Within practical part of this thesis testing stand for functional test of the ECU was developed and manufactured. It is connected to PC via Input/Output card, testing is controlled by MATLAB script. Whole process of testing is automated from initial upload of testing firmware to tested ECU over all phases of test up to bootloader flashing. Hardware in the Loop test was also created, in which ECU works as controller and DC motor is simulated in real time with PC in MATLAB environment.
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Signal processing and receiving in UMTS system
Hron, Michal ; Hanus, Stanislav (referee) ; Kejík, Petr (advisor)
This semestral thesis be concerned with datailed analysis of receiving and processing signals in UMTS network system. Insistence of this work is setting to principals of RAKE receiver and processing signals in CDMA networks downlink channel. Through development system MATLAB simulates real function of RAKE receiver. This project is giving fundamental knowledges about receiving and processing of multipath signals to readers.
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Electromagnetic analysis of circuit breaker tripping unit
Mlynář, Zdeněk ; Augusta, Zbyněk (referee) ; Valenta, Jiří (advisor)
Using circuit breakers as devices for protecting the circuit, equipment, property, and not least the people is an important part of the generation, transmission and distribution of electricity. This puts high demands on the design of complex devices such as circuit breakers. To ensure proper function is one of many parts and that is the trip unit. Trip unit is used to evaluate the current flowing through the breaker and respond to undesirable overcurrent. For these reasons, this work deals with electromagnetic analysis - specifically thermal magnetic trip unit. The focus will be on improving the actual situation and finding more suitable design solutions.
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Traffic Situation Model
Dvořák, Michal ; Petyovský, Petr (referee) ; Horák, Karel (advisor)
In this thesis, parameters required for physical construction of model of traffic camera system are identified. The information is used to design and construct a model, which supports simulation of important traffic situations. With focus, on the ability of model to allow for digital modification of simulation parameters over, for this purpose created, communication interface. The next part of thesis then focuses on creation of application which supports the control and image retrieval from group of cameras. The application is designed to support settings necessary for use as average speed enforcement cameras and as red-light cameras.
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Determination of electromagnetic field distribution around underground power cable
Gromotovič, Ivan ; Paar, Martin (referee) ; Vyčítal, Václav (advisor)
The thesis deals with the distribution of the electromagnetic field around the conductor in the way of laying the conductors. The paper describes the structure of the cables and their lettering. More detailed is described the underground cable and various ways of protecting the conductor against mechanical damage are shown. The functions of the locator of underground lines on the electromagnetic field principle are briefly described . In the practical part, in simulation software Ansys Maxwell has been designed models to simulate the layout of the underground line. The output of the thesis is the comparison of the results created by the simulations.
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