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Recuperation systems in automotive technology
Běhoun, Lukáš ; Repka, Martin (referee) ; Zháňal, Lubor (advisor)
The aim of this bachelor thesis is to examine the methods of energy recuperation in the automotive technology. The first section explores the historical development of the recuperation systems spanning from the end of the 19th century to the present day. The second section is following with the division of the recuperation systems in accordance with the method of their energy storage and their transmission. This is consecutively supported by three examples of use for each of the systems. The third section offers a comparison of the individual cumulative units. Furthermore, it offers a comparison of all the types of systems used in bus transportation. The fourth section analyses the fuel consumption by a bus without a recuperation system and by an identical bus with the Bosch Rexroth recuperation system. This is supported by calculations. Subsequently, the above systems are scrutinized from an economical point of view. The last part deals with the possible development of recuperation systems in the future.
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Visualisation of telemetric data
Kolář, Michael ; Hejtmánek, Petr (referee) ; Zháňal, Lubor (advisor)
The main aim of this bachelor thesis was the creation of an application in the Unity engine, which would enable real-time rendering of a vehicle and its suspension components. The positions and rotations of the individual parts are governed by the data that originate from the Matlab application based on simulation or real measurement.
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Alternative conceptions of combustion engines
Šťáva, Martin ; Fojtášek, Jan (referee) ; Zháňal, Lubor (advisor)
The subject of this bachelor´s thesis on the topic Alternative conception of combustion engines is description of chosen historical and present alternatives to conventional piston combustion engine with crankshaft. The aim of this thesis is to create thesis that relates description of historical evolution of alternative construction combustion engines. Alternatives are described in terms of construction, operating principle and properties. In past were developed plenty of different conceptions of combustion engines. However most of them have never been successful because of many technical problems, complicated construction or other shortages.
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Machine learning and signal processing
Kolář, Michael ; Fojtášek, Jan (referee) ; Zháňal, Lubor (advisor)
This thesis deals with the possibility of using neural networks in the analysis of a racing vehicle telemetry data. The analysis consists of finding and classifying the driving states of the vehicle as well as reconstruction and prediction of the data signal. The thesis consists of a research of machine learning focusing on neural networks. It describes the main types of the most commonly used neural networks with the description of their structure and their learning process. It also deals with the problem of classification and an in-depth analysis of the signal prediction and reconstruction. The conclusion is devoted to the implementation of the network into a TeleMatrix application.
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The Use of Virtual Reality in Vehicle Dynamics
Mach, Břetislav ; Zháňal, Lubor (referee) ; Porteš, Petr (advisor)
The aim of this master’s thesis is to use virtual reality to analyze and display the vehicle and the quantities characterizing the dynamic properties of the vehicle. The simulation software tools are used Matlab/Simulink and Virtual Reality Toolbox. The measured or calculated data will the input for the simulation. The dissertation is aimed to create a virtual scene and a dynamic system for the movement of file.
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Vehicle Kinematics and Dynamics Simulations
Zháňal, Lubor ; Bauer, František (referee) ; Píštěk, Václav (referee) ; Kaplan, Zdeněk (advisor)
This paper focuses on the kinematic and dynamic numerical simulation of mechanisms by applying a numerical method, and a complex simulation programme built on it, developed by the author. Described are mathematical principles of the numerical method used and also the programming progression of the important parts of the application and its optimization. The final part includes comparative measuring of the accuracy and performance.
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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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Mathematical modeling and measuring of motorcycle dynamics
Gellner, Pavel ; Zháňal, Lubor (referee) ; Porteš, Petr (advisor)
This bachelor’s thesis deals with the dynamics of motor vehicles. The introductory part of the thesis outlines basic principles of motorcycle riding dynamics modelling. Furthermore, a methodology of necessary parameters measuring was designed, including a measurement of a selected motorcycle. At the end of the thesis a measuring system for measuring of motorcycle dynamics was designed.
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Stabilization systems of motorcycles
Honek, Bohumil ; Tobiáš, Martin (referee) ; Zháňal, Lubor (advisor)
In terms of this bachelor’s thesis, the author created a comprehensive overview and description of mechanical and electronic stabilizing systems of one-track vehicles. This thesis furthermore deals with the impact of a vehicle’s structure on its stability and riding dynamics and also includes a brief historical development of the individual components. This thesis then offers an outlook into the close future of vehicles’ and similar machinery’s stability, followed by the author’s critical evaluation.
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