|
|
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.
|
|
| |
|
|
Autonomous vehicles testing
Nágl, Jiří ; Tobiáš, Martin (referee) ; Porteš, Petr (advisor)
The aim of this bachelor’s thesis is the research of autonomous vehicles and their testing. In the first part, the work focuses on autonomous vehicles and connectivity between them. Subsequently, it deals with testing of autonomous vehicles on proving grounds and testing in real world. The last chapter includes virtual testing and dedicated software.
|
|
|
Urban three-wheeled vehicle with electric drive
Černík, Adam ; Porteš, Petr (referee) ; Tobiáš, Martin (advisor)
This bachelor thesis deals with the conceptual design of the chassis of a three-wheeled. The total payload od the vehicle is 160 kg. At the beginning, the work deals with the search for different types of chassis in used three-wheeled vehicles. The advantages and disadvantages of various chassis concepts and the subsequent choice of one them are also summarized. Then the conceptual parameters of the vehicle are selected. At the end a 3D model is modelled in program Inventor, which corresponds to the selected conceptual parameters. This model is used to visualize the designed chassis of three-wheeled vehicle.
|
|
|
Conceptual Design of the Complete Hydraulic Tipping System
Vávra, Daniel ; Tobiáš, Martin (referee) ; Fojtášek, Jan (advisor)
The main topic of this work is to clarify the basic types of tipping bodies of heavy trucks and a simplified design of the tipping hydraulics. The first part mentions the most common types of tipping bodies and hydraulic systems. Furthermore, the principles and parameters of the used hydraulic components are clarified. Within the design of the hydraulics of the tipping body of a one-sided tipper, the basic relations for the derivation of the kinematics of movement, the design of the hydraulic cylinder and all other components are described. At the end of the work is described the analysis of temperatures during the process of tilting the body and instructions for operation and maintenance.
|
|
|
Design of conventional motorcycle swingarm made from aluminum alloy
Adlof, Michal ; Tobiáš, Martin (referee) ; Zháňal, Lubor (advisor)
This bachelor thesis deals with the proposal of the swingarm from aluminium alloys. The theoretical part is devoted to a closer description of the swingarm. Here, the older ways of wheel deposition are described, followed by a comparison of the four basic variations of the swinging forks. The practical part of the thesis is then focused on the design overhaul of the steel swingarm. In the next part, the calculations of forces and stress analysis are presented. Subsequently, the original steel and redesigned aluminium swingarm are compared. And finally, the complete drawing documentation needed for the production can be found in the annex.
|
|
|
Measuring the forces acting between the wheel and the road
Gellner, Pavel ; Tobiáš, Martin (referee) ; Porteš, Petr (advisor)
The diploma thesis is focused on the measurement of forces acting between the tire and the road. There is an outline of tire and tire models problematic in the opening part. In the following part, the rear right suspension of the formula student car was mounted with strain gauges and the data logging system was described. There is also a multi-body model of the rear axle created in Adams/Car and SAMS software, that is able to calculate forces acting between the tire and the road, taking the measured forces in the suspension, rocker position, and throttle position into consideration. After a series of calibrations and verification measurements, the measurement on the test track was made, with data analysis focused on forces acting between the tire and the road.
|
|
|
Trends in the development of hybrid vehicles
Ďurica, Matej ; Tobiáš, Martin (referee) ; Štětina, Josef (advisor)
This bachelor thesis is dedicated to make brief research in the hybrid automotive department, focused on the last ten years of development. The first part describes the categories of hybrid vehicles with an emphasis on the development of accumulators and related technology. An important part is the advantages and disadvantages of systems and drives. The second part deals with the future of hybrid drives, applications mainly in heavy industry, and the possibilities of changing "heavy" fossil fuels with "greener" alternatives. At the end of the work is the evaluation of the impact of the COVID crisis on the automotive industry.
|
|
|
Analysis of measured dynamic states of motorcycles
Tobiáš, Martin ; Zháňal, Lubor (referee) ; Porteš, Petr (advisor)
This thesis, within a long-term project at the Institute of automotive engineering at FME BUT, aspires to prepare a motorcycle for analysis of its dynamic riding behavior. A multi-body model of a motorcycle is created based on the measured parameters and a system for measuring driving conditions is designed. The necessary motorcycle parameters were measured using a 3D scanner and through experiments aided by computer technology and CAD software. This laid the foundation for the follow-up research and development work.
|
|
|
Concept of sidecarcross motorcycles
Tobiáš, Martin ; Kučera, Pavel (referee) ; Píštěk, Václav (advisor)
Sidecarcross is a successful and an attractive motorsport discipline in Czech republic, both for spectators and for competitors. In Czech republic, this sport is purely amateur, inexpensive off-road motocross circuits are in many places. The goal of the thesis is to introduce contemporary sidecarcross machinery to the readers, apprise them of attempts to further develop this racing industry and enable them to be knowledgeable spectators at the races. The thesis can also be useful to novice racers, which usually use refurbished used machinery from abroad.
|
guest ::
RSS feed.