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Study of Potential Purchase of Flat Steel from Asian Markets for Automotive Industry in EU
Kučera, Petr ; Patočka, Michal (referee) ; Jurová, Marie (advisor)
Subject of this master‘s thesis is evaluation of potential purchase of steel coils from Asian markets for automotive industry in EU. In the theoretical part are explained basic methods for market analysis and backgrounds, which are necessary for effective purchasing management. Practical part of the work is focused on the analysis of external and internal factors that affect company, comparison of delivery terms between suppliers and risk analysis which is joined with change of supplier. Contribution to this work and results of the study are summarized at the end of the thesis.
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Wireless transmission of flight data for low distance
Kučera, Petr ; Maršálek, Roman (referee) ; Prokopec, Jan (advisor)
This diploma thesis deals with the flight data wireless transmission from aircraft to the ground station. This is the data sent from the acrobatic aircraft during races, specifically the GPS position and data from sensors of acceleration and rotation of the aircraft. It dealt with the theoretical analysis of the radio link and design of device that receives radio transmission. In aircraft it is dealt with data capturing and their deployment through the radio module. Data are sending to another post-processing on the ground station after receiving. There are two solutions of radio module and in the last part is a solution for capturing data from more airplanes.
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Historical development of piston internal combustion engines
Kučera, Petr ; Vopařil, Jan (referee) ; Píštěk, Václav (advisor)
This work aims to characterize the basic stages of development of piston combustion engines for use in vehicles. The first part contains familiar with the problem of these engines, their basic structure and description and the beginnings of their development. The second part is focused on current trends in the development and way the combustion engines could proceed in the future.
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Polarization Imperfections of Light in Interferometry
Kučera, Petr ; Lazar, Josef (referee) ; Mohr, Fridemann (referee) ; Wilfert, Otakar (advisor)
Disertační práce pojednává o polarizačních nedokonalostech optických komponentů, které jsou využívány ke kontrole a k transformaci polarizačního stavu světla. Získané teoretické výsledky jsou pak využity ve vybraných aplikacích, jež ke své činnosti využívají právě polarizace světla. Konkrétně se jedná o zařízení měřící vibrace oscilujících objektů, dále o interferenční měření dvojlomu v transparentních materiálech a konečně, o vybraná témata z optické kvantové komunikace.
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Design of mounting table for assembly of printing block onto hub according to micropoint
Navrátil, Václav ; Ranuša, Matúš (referee) ; Kučera, Petr (advisor)
The aim of this bachelor’s thesis is to create a draft for the design of mounting table for assembly of printig plate onto sleev according to microdot for newly designed mounting machine made by company Soma Engineering. The first part of the thesis includes the profile of the company, the principle of flexoprint and overview of other companies‘ machines. The second part focused on draft of possible versions of the solution, their pros and cons and estimated costs of individual solution. The third parst of thesis is dedicated to a chosen version and its detailed elaboration.
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Design of assist robot
Novotný, Ondřej ; Látal, Roman (referee) ; Kučera, Petr (advisor)
The aim of the Bachelor thesis is design of frame and lifting mechanism of assist robot called „Bob“. The thesis consist of several construction design of mechanism and gears, final solution control and creating of prototype. For the materiál of frame construction was chosen the aluminium because of its hardness and weight. The chassis of robot is 3-wheeled construction unable passing through threshold. The motor for robot drive was chosen DC motor with 500 rpm and torque 600 Nmm, which is placed inside of front wheels. For the lifting mechanism was chosen the motion screw with trapezoidal screw-thread Tr 10x3 made by DIN 103 from C15 steel. Another part of the thesis was create of the prototype for testing whole mechanisms and gears.
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Design of the pneumatic circuits tester
Buš, Martin ; Ranuša, Matúš (referee) ; Kučera, Petr (advisor)
This bachelor thesis deals with the constructional solution of pneumatic circuit tester. In the first part of bachelor thesis there are brief information about Aventics Pneumobil Competition and racing vehicles of BUT team. The distribution of pneumatic cylinders, pneumatic control elements and sensors is outlined. The second part draws out a conceptual solution of load. Based on conceptual solution is developer structural design of pneumatic circuit tester.
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Stress-strain Analysis of Diesel Particulate Filter Support on Tractor Zetor Forterra
Kučera, Petr ; Ramík, Pavel (referee) ; Dundálek, Radim (advisor)
The subject of this master's thesis is the FEM analysis of the construction of the diesel particulate filter support on the tractor Zetor Forterra. The introduction of this thesis is about the theoretical part dealing with the issue of emissions from diesel engines and ways to reduce them. The following part describing the creation of the computational model. Then, the static stress-strain analysis, modal analysis and fatigue analysis are solved in the ANSYS Workbench software. The assessment of the safety of the structure in terms of limit states, that may occur during the operation of the tractor, based on the results of calculations is in the conclusion of the thesis.
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