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Methods of Identification of Vehicle Brake System Temperatures
Jaroň, Dominik ; Fojtášek, Jan (referee) ; Hejtmánek, Petr (advisor)
The work is aimed at measuring temperature of main parts of vehicle braking system. The first part is theoretical background for temperature measuring by thermocouples, IR pyrometers and paint pyrometers. There are also introduced devices and products, which are nowadays available to buy and which can be used for measuring. In the second part of this thesis there are shown methods of measuring by mentioned thermometers and evaluation of their pros and cons.
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Simulation of commercial vehicle dynamics
Jobánek, Vojtěch ; Zháňal, Lubor (referee) ; Fojtášek, Jan (advisor)
It is possible to transport shipments for long distances due to trucks. Truck producers focus on operations efficiency with increasing transport demand. The thesis deals with simulation of drive. Particular possibilities of chassis construction are described in the recherche, on its base initial. Values for the simulation are chosen. The dynamic tests, which were afterwards evaluated, were carried on the model of the set.
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Photogrammetric localization of motorcycle rider
Lečbych, Jiří ; Zháňal, Lubor (referee) ; Fojtášek, Jan (advisor)
This Master’s thesis deals with designing a measuring device that would record driver’s movements during dynamic riding states known as localization, and based on the recorded data creating a simulation in multi-body software. The first part reviews the current state of knowledge in the field of photogrammetry, sensors, and motorcycles’ characteristics. Moreover, the second part focuses on constructing the measuring device, practical aspects of data collection, processing, and evaluation in multi-body software.
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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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Virtual testing of autonomous vehicles
Matušková, Lucie ; Fojtášek, Jan (referee) ; Porteš, Petr (advisor)
This bachelor thesis deals with virtual testing of autonomous vehicles. The theoretical part describes an autonomous vehicle, the issue of testing autonomous vehicles. Furthermore, the work is focused on the description of ADAMS Car software and Virtual test drive. The virtual test drive is described for the most part, because it also contains a practical part of the work, which is working with the software.
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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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Braking retarders for heavy commercial vehicles
Breckl, Lukáš ; Hejtmánek, Petr (referee) ; Fojtášek, Jan (advisor)
This thesis deals with the issue of retarders for trucks and buses. It concentrates on the fundamentals of their function and their construction. The thesis is divided into five main chapters. The first chapter describes braking power necessary to slow down the vehicle. The second chapter focuses on the main characteristics of retarders. The third chapter contains a description of their basic types. The fourth chapter compares these separate types. The concluding chapter of this thesis is dedicated to development trends. The thesis has a research character and does not contain new construction proposals.
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Clutches for Heavy Commercial Vehicles
Fous, Michal ; Míša, Jiří (referee) ; Fojtášek, Jan (advisor)
This work summarizes the issue of clutches and retarders designed for commercial vehicles. It deals with the principle of function and construction of clutches for manual and automatic transmissions. It also outlines the issue of materials for clutch linings and the suitability of their use. Finally, retarders are analyzed, focusing mainly on oil, water and electrical types.
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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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Conceptual Design of Electromobile
Szabó, Ákos ; Fojtášek, Jan (referee) ; Hejtmánek, Petr (advisor)
This diploma thesis deals with concept design of electric car with electric in-wheel motors. The designing work starts with modeling of dynamic through acceleration and range of electric car. This was necessary to choose important components. These components were placed based on given criteria. The full model of electric car was designed in program Creo Parametric. In the final chapter stress analysis via program Ansys is presented.
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