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Gearboxes of Trucks and Buses
Vítek, David ; Hejtmánek, Petr (referee) ; Blaťák, Ondřej (advisor)
This bachelor's thesis deals with background research of gearboxes of trucks and buses. The first part of this thesis forms familiarization with various parts of the transmission system, which we can see in trucks and buses, their principle and design. The second part deals with systems that use the best known manufacturers of trucks and buses, as well as current trends in this area.
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Modern Tractor Transmissions
Bartošová, Daniela ; Řehák, Kamil (referee) ; Prokop, Aleš (advisor)
This Bachelor thesis concerns an overview of the modern trends in the area of tractors transmissions. It explains the reason why both the power shifts and the continuously variable transmissions. Further on, this thesis emphasizes the innovative elements of transmission concept at selected tractor manufacturers.
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Design of magnetorheological clutch.
Nováček, Vladislav ; Dočkal, Aleš (referee) ; Roupec, Jakub (advisor)
This thesis deals with the design of the magnetorheological (MR) clutch. The extensive literature research with particular conclusions to each design variant of MR clutches or brakes has been done in the first part of the thesis. The second part of the thesis describes the design of the actual MR clutch based on the results of the analytical calculation of the magnetic circuit. Finally, the experiments verifying the function of the key segments of the clutch, and the whole clutch are summarized in the third part of the thesis.
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Conception of ATV (all-terrain vehicles)
Dosedla, Milan ; Vančura, Jan (referee) ; Porteš, Petr (advisor)
This thesis is review article of the current design and construction setup of ATVs. In the individual chapters are analyzed function of structural units and their advantages and disadvantages for the application. Much attention is paid to the design and construction of the brakes and axles. Work based on the analysis 30 models of ATVs from different manufacturers. This thesis reports the specifications of selected models. In conclusion we discuss the appropriateness of design solutions for different types of ATVs such as utility or sport models.
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Vibration diagnostics of electrical machines
Hlaváček, Tomáš ; Hájek, Vítězslav (referee) ; Janda, Marcel (advisor)
Master’s thesis deals with the influence simulated unbalance vibration level asynchronous motor. First is focused introduction to the problem of vibration. Another part is introduction with machine construction and vibrations in machines. Introduction with methods of measurement. The last part is vibration measurements with simulated imbalances.
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Modifying the Babetta engine
Poulíček, Matěj ; Píštěk, Václav (referee) ; Kaplan, Zdeněk (advisor)
This bachelor thesis is about one of the possible modifications of two-stroke single-cylinder Babetta 210 engine for increasing of power. Further about another manufactured Babetta engines with focus on their pros and cons. Attention is paid also to possible design changes for elimination of drawbacks.
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Railway Station Unkovice HSR
Machová, Petra ; Merta, Jiří (referee) ; Říha, Tomáš (advisor)
The objective of the diploma thesis is to design the layout of the railway station on the planned high-speed track Brno – Breclav. The thesis focuses on the station layout including the junction with a branch of high-speed track to Znojmo. New service road to railway station, connected to existing roads, is designed. The station layout design includes a carpark, bus stops, car rental, parking for the disabled, bikers, taxi services and cyclists.
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Control Systems of Gears Changing on Load in Tractors Gearboxes
Holub, Přemysl ; Svída, David (referee) ; Dundálek, Radim (advisor)
This bachelor thesis is interested in the overview of tractor’s gearboxes, which are changing on load. There are reasons, why it has to be costructed and there are requirements for it. There are also described PowerShifts, which allow us gear changing on load. After basic description of concrete gearbox, there is always some example of using in current tractors. In period named Mechanical gearboxes, wchich are changing partly on load there is more space for Zetor tractors and its gearboxes. In one of the last period there is important part about continuously variable transmissions where the driving speed is regulated steplessly. These gearboxes are considered to be modern technology of transfer engine torque.
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