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Powertrain Mountings in a Car Body
Dúlovcová, Gabriela ; Vopařil, Jan (referee) ; Drápal, Lubomír (advisor)
The main aim of this thesis is to give reasons and describe different conceptions of engine mountings that eliminate vibrations of powertrain in a car body of personal vehicle. Another part is a comparison of particular conceptions from construction views and features. At the end of the thesis, there is assessment and designed possible future development.
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Chassis of tractors
Krátký, Martin ; Vopařil, Jan (referee) ; Kaplan, Zdeněk (advisor)
This bachelor thesis deals with the currently used chassis of wheeled and tracked tractors. In the first part is an overview and a short description of individual components. The second and third parts are focused on steering of wheeled and tracked tractors. There are in detail described different types of steering and is given a principle of operation. Most of space is devoted to hydrostatic steering which is the most widespread. In the end is summarized a present situation in designing of tractor chassis. There are mentioned used solutions and are described new modern systems and is estimated a supposed trend of development.
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Utilization of biogas in transport
Strnadel, Bronislav ; Kučera, Pavel (referee) ; Vopařil, Jan (advisor)
The subject of this bachelor’s thesis is the utilization of biogas as a fuel for vehicle engines. First of all, methods of production, upgrading and utilization of biogas are explained. Then the situation in the Czech Republic and in Sweden is compared. Next part of the thesis is focused on the vehicles which burn upgraded biogas or natural gas vehicles. Their construc-tion and the function of fuel system are described in detail. The dependence of shape of combustion chamber on engine performance and the issue of protection of valves and their seats are described in this chapter. In the last part, a business case study of utilization of bio-gas from a biogas station is elaborated.
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Strength Analysis of Alternator Body
Kratochvíl, Petr ; Vopařil, Jan (referee) ; Novotný, Pavel (advisor)
In this diploma thesis is theoretically described and then practically performed stress analysis of alternator body, which in terms of traffic racing car often passes into disrepair. It is used reverse engineering method. The real part is converted to digital model and analysed using FEM calculation. Incoming data for FEM are obtained by experimental measurement on the car.
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Axles of modern cars
Tichý, Ondřej ; Vopařil, Jan (referee) ; Kučera, Pavel (advisor)
This bachelor thesis focuses on desicribing of common axle types, their modern solutions and modifications, which are brought by a usage of electronic and hydraulic systems, and discusses their properties as well. The next part of the thesis deals with types of axle differentials and their modern electronic substitutes. The most common brake types, brake assistant systems and main types of vehicle wheels are mentioned in the last chapter.
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Design of universal microcontroller for automotive ECUs
Midrla, Daniel ; Vopařil, Jan (referee) ; Kučera, Pavel (advisor)
This bachelor’s thesis deals with the process of designing, manufacturing, and programming of an embedded device based on a microcontroller with an ARM processor. The primary field of application of this device is motor vehicles. However, there has been an emphasis on universality during the design stage. The thesis begins with a summary of theoretical knowledge concerning this topic. Then follows a description of the design, manufacturing, and programming of the device. Finally, the functionality of the device is verified with the use of testing hardware.
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Electric all-terrain vehicle ATV
Slíva, Karel ; Vopařil, Jan (referee) ; Kučera, Pavel (advisor)
This bachelor thesis relates to the problematics of electrical four wheelers ATV. The main parts of this thesis are division according to the utilization and construction, and description of available models of the electrical four wheelers. Further the thesis discusses the accumulators, which supply energy to the propulsion units, which are essential parts of all four wheelers. The last part of the thesis relates to the undercarriages, their arrangement in the electrical four wheelers and also to the simplified design of propulsion unit and it also comprise the battery life calculation.
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