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Measurement of camber during driving
Vojtěšek, Aleš ; Fojtášek, Jan (referee) ; Porteš, Petr (advisor)
The subject of this master's thesis is design measurement and measure change wheel camber angle during driving. For this task were used parts from Corrsys-Datron and remaining elements needed to be manufactured. With complete system measurements were done and outputs data were displayed by Matlab and evaluated. Based on data evaluation is possible exactly determine relative position of the wheel to the road surface and to the body of vehicle.
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Study of torque vectoring differential use for heavy commercial vehicles
Fojtášek, Jan ; Blaťák, Ondřej (referee) ; Porteš, Petr (advisor)
This work deals with the design of right-and-left torque vectoring systems used in heavy commercial vehicle powertrains. It is a new device for a commonly used vehicle differential. This study recommends design, kinematic and load parameters. Also the overall effect of the mechanism on vehicle dynamics and design of the experimental vehicle chassis is described. The study further describes how the mechatronic system works with necessary control systems. Purpose of this thesis is to summarize available information on a right-and-left torque vectoring and possible practical applications for further development of torque vectoring systems.
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Commercial vehicles powertrains design
Krupa, Lukáš ; Suchý, Jan (referee) ; Fojtášek, Jan (advisor)
In this work there are described parts of powertrain of currently used commercial vehicles and their configurations depending on the conception and purpose of vehicle. Individual parts of powertrain are described in terms of both design solutions and operating principle. The work is of the retrieval of character and serves as a source of information about the issue. It can be used for example as a teaching tool for getting deeper knowledge about the topic of powertrains of commercial vehicles.
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Systems for performance flow distribution in vehicles powertrain
Novotný, Petr ; Suchý, Jan (referee) ; Fojtášek, Jan (advisor)
The bachelor thesis tries to provide compact knowledge about differential systems. In the first part of the thesis you can find information about basic function and differentials are divided into several groups. Second part describes elementary kinematic and torque quantities which have significant influence on the character of differential. Last part of my thesis is concerned with groups of differentials mentioned in the first chapter. Also in the last part there is place devoted intelligent differentials which are nowadays on a market.
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Brakes and retarders of commercial vehicles
Kalnický, Jakub ; Zháňal, Lubor (referee) ; Fojtášek, Jan (advisor)
This bachelor's thesis is specialized search dealing with brakes of commercial vehicles. The work is divided into six main parts. The first part deals with genesis of brakes. The second part informs about fundamental terminology and definition of braking. The third part deals with distribution of braking systems by their purpose. Contents of fourth and fifth parts are friction brakes and retarders. The last part is dedicated to development trends of brakes.
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Longitudinal dynamics of cars
Porteš, Petr ; Fojtášek, Jan (referee) ; Zháňal, Lubor (advisor)
Aim of this thesis is to find optimum gear ratios for completing one lap in formula-type racing car in minimum possible time. Thesis is divided into two parts – theoretical and practical. In the first part basic knowledge of longitudinal dynamics of racing cars is summarized, in the second part gear ratio optimization algorithm created in MATLAB is presented.
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Process of ecological recycling of vehicles
Hetteš, Štefan ; Zháňal, Lubor (referee) ; Fojtášek, Jan (advisor)
The whole goal of bachelor work was coherently give information about a process of ecological recycling of vehicles given a construction of vehicles and reuse of obtain materials which eliminate formation dangerous scraps. I included nowadays findings in ecological recyclation and future growth in my work. Also I worked on legislative sections which manage recycling. At the end I described whole technological procedure of recycling disposal.
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Powertrain control systems of commercial vehicles
Fojtášek, Jan ; Kučera, Pavel (referee) ; Porteš, Petr (advisor)
This work deals with principle of operation and design of differentials and systems, which are used to regulate driving power of engine by commercial vehicles. It is a summary of findings about currently used traction control devices and about trends of these systems. This work provides an overview of powertrain control systems and it does not include own design solution. This summary of information could be used as a learning tool, that can help student to understand principles of described mechanisms and as an information source by developing custom design of powetrain control system.
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