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Virtual Prototypes of Drivelines
Janoušek, Michal ; Dundálek, Radim (referee) ; Slimařík,, Dušan (referee) ; Píštěk, Václav (advisor)
The thesis deals with computational modelling of heavy duty off-road vehicle driveline components. The thesis is divided to two main parts. The first part deals about modal analysis of selected driveline components. MBS computational study was performed based on modal analysis results. The second part of thesis deals with experimental verification of computational model. Pass-by noise and vibration measurement was performed. Measured signals were processed in frequency domain to find noise and vibration sources.
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Aircraft engine
Kalugin, Ivan ; Ramík, Pavel (referee) ; Píštěk, Václav (advisor)
This thesis is focused to design piston rods for aircraft petrol six-cylinder engine with 102 kW output power and project their form. Other part deals with analysis of balancing of arranging and fort control one of piston rod.
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Automobile clutches
Kundýsek, Michal ; Píštěk, Václav (referee) ; Kaplan, Zdeněk (advisor)
This bachelor thesis provides an overview of the various types of clutch and starting clutch technologies, before offering a detailed analysis of the friction clutch system. It addresses the relative merits of this particular type of clutch and concludes with a discussion of its contemporary automotive applications.
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Range extender of an electric vehicle
Jelínek, David ; Píštěk, Václav (referee) ; Drápal, Lubomír (advisor)
This thesis describes the design of a four-stroke engine with two cylinders, using as a range extender. The first chapter briefly introduces the company Škoda Auto a.s., for which the range extender was designed. Also, there is a list of the available electric and hybrid vehicles manufactured by this company. The next chapter deals with the division of hybrid vehicles, as an intermediate step for the use of electric vehicles, the reason for their use and the definition of advantages and disadvantages of hybrid vehicles. Also, the range extender technology is described here. The third chapter contains a description of the conceptual design of the range extender and describes the design and balancing of the crankshaft in more detail. The last chapter describes the calculation of the crankshaft dynamics and the individual parts load. The resulting crankshaft safety is determined by comparing the calculated values with a series-produced 1.0 MPI evo engine, which is the base of the described range extender.
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Passive and active safety features in passenger cars
Jahoda, Patrik ; Kučera, Pavel (referee) ; Píštěk, Václav (advisor)
This bachelor thesis deals with safety elements of all kinds in personal vehicles and their general introduction. This elements are divided and broadened and roughly described. My work contains short summary of history of safety elements. Conclusion contains evaluation of individual elements. Video with crash test is inserted in this graduate work.
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Mechatronic Approach to Vehicle Dynamics
Kučera, Pavel ; Kaplan, Zdeněk (referee) ; Havlíček, Miroslav (referee) ; Píštěk, Václav (advisor)
This theses deals with mechatronic approach to a vehicle dynamics. It is divided into two main parts. There are prepared vibration analysis, measurement and analysis of functions of truck powertrain in the first part. The second part describes the creation of computational models allowing to simulate driving conditions, vibrations of the vehicle and its extension for the development of mechatronic systems. There are shown different driving modes to control created algorithm of mechatronic system. The main tool for the development of mechatronic systems is the created simulator of vehicle enabling testing of computational models in real time.
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Turbochargers with electric support
Žák, Ondřej ; Kučera, Pavel (referee) ; Píštěk, Václav (advisor)
This bachelor's thesis is aimed at supercharging combustion engines and comparison of different approaches in this field. There are mentioned mostly methods of multistage supercharging and turbocharging with electric support. Main subject of this paper is technology with future applications.
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Powertrain of in-line three-cylinder diesel engine
Riemel, Pavel ; Novotný, Pavel (referee) ; Píštěk, Václav (advisor)
Objective of bachelor’s thesis is for main predetermined geometric, thermodynamic and operation parameters cylindrical unit of line three-cylinder compression-ignition engine perform calculation of thermodynamic cycle, project basic dimensions of piston group and for noted operating modes perform strength check of con rod eye. Resulting values compare with comparable compression-ignition engine and verify its appropriate functionality. In preamble of work is mentioned compression-ignition engine, its basic usage, principle of function and description its main parts. The work is compound of two basic parts. The first contains description of calculation with related graphic and the second calculating supplement in which are calculations of thermodynamic cycle, forces reacting on piston group, strength calculation and control of con rod eye. At the close results of calculation are analysed.
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