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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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Kinetic energy recuperation systems
Hapala, Miroslav ; Porteš, Petr (referee) ; Zháňal, Lubor (advisor)
This bachelor thesis deals with kinetic energy recuperation systems (KERS), which is obtained by braking, in cars and sports cars. In the first section describes the different types of systems, their function and the accumulation of energy. In the second part are some examples of use in passenger transport and in motor racing. In the conclusion are summarized their advantages and disadvantages and their contribution to the future ecology of automotive traffic.
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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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Racing cars GT series
Fejfar, Marek ; Blaťák, Ondřej (referee) ; Porteš, Petr (advisor)
This bachelor thesis called „Racing cars GT series“ had taken a task to introduce the reader with a fascinating world of GT class race cars. It deals with history of races, current rules of racing and races themselves, racetracks and their regulations, GT cars and their technical specifications and regulations, which determinates them. Design of engines and underbody components, such as suspension, dampers and anti-roll bars (anti-sway bars) and wheels. Furthermore, the aerodynamic elements, such as spoilers, wings and underbody aerodynamics. And finaly the weight and electronic of cars.
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Design of Tagnpps 97 m3 Wagon Braking System in SS Braking Mode
Trubač, Pavel ; Porteš, Petr (referee) ; Ramík, Pavel (advisor)
At first part of my work is described the brake for freight wagon, its princip and control. Next part is dedicated to describe to brake with block and brake with disc. Main object of my work is concrete propose of brake with blocks and reason, why is this brake use on most of wagons. Next I describe requests for brake accessories for freight wagons, mainly for operation in SS mode. At second part is proposal for brake for freight wagon type TAGNPPS for operating in SS mode. Scheme of mechanical and pneumatic part, CAD model of this brake system, voltage analyses by FEM method of choosing component – brake lever, created in SolidWorks 2011 mode. For compare of result by FEM method is used analytic count of this component.
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Tyres and Vehicle Dynamics
Kusyn, Petr ; Porteš, Petr (referee) ; Molliková, Eva (advisor)
Objective of this bachelor thesis is mainly the familiarization with factors, that affect vehicle dynamics and the explanation how are these factors reflected in the requirement on the construction of tyres. Another parts are dedicated to the construction itself and properties of the tyre and also to the tyre models, which become essential part in the development of new constructions and materials during manufacturing of the tyres.
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Rallye Championships and Used Engineering Including WRC Series
Novák, Pavel ; Porteš, Petr (referee) ; Ramík, Pavel (advisor)
The content of the bachelor thesis is an overview of the current condition of technics used in the car racing competitions focused on the WRC serial. The thesis is diveded into five parts. The first part introduces the contemporary car competitions and FIA federation. The second part is focused on specification of the WRC cars. The third part familiarizes with the organization process of the WRC championship. There are introduced crews with their teams and their results in the constructor cup. The main attention is given to the parts four and five which deal with the contemporary engineering used in WRC and the development trends in this field. There are given methods of virtual designing, computer simulation and testing. In the conclusion of the thesis there are mentioned examples of WRC car development and solutions assumed for the serial cars from the WRC technics.
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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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Race Car Dataloggers
Job, Štefan ; Blaťák, Ondřej (referee) ; Porteš, Petr (advisor)
This work is focused on race car dataloggers. The goal of this work is put on depicting the dataloggers that are used in the time being and also on the data that are measured as well as the information they provide to the driver or racing engineer. The work itself is divided into four main parts. They deal with the basic terms regarding this topic, the description of the dataloggers and of the companies that specialize in the datalogger production. The conclusion contains general evaluation of this work
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