National Repository of Grey Literature 171 records found  1 - 10nextend  jump to record: Search took 0.00 seconds. 
On-road Diagnostic of Vehicle Damper
Vaněk, Vojtěch ; Hejtmánek, Petr (referee) ; Blaťák, Ondřej (advisor)
The diploma thesis deals with the analysis of the effects of shock absorber wear on the driving dynamics of the vehicle. Furthermore, a quarter model of the car was created in the Simulink software, where a procedure for evaluating the condition of the shock absorber while driving the vehicle was created. This procedure was subsequently validated on real measured data from the Hummer H3 car.
Device for Testing of Differentials
Odložilík, Daniel ; Blaťák, Ondřej (referee) ; Hejtmánek, Petr (advisor)
This master’s thesis deals with the design of equipment for testing differentials. The aim of the thesis is therefore the design of a special device that will be able to measure the steady and transient characteristics of differentials. Master’s thesis is divided into four chapters. The first chapter points out the disadvantages of fully open and closed differentials, the second deals with a basic overview of the structures and design of self-locking differentials. The third chapter deals with research of existing devices that test and measure the characteristics of differentials. The fourth chapter then discusses the possible drives of the tested unit. The fifth chapter focuses on the actual construction design of the test equipment. The subsequent sixth chapter then solves the strength calculations of the chosen structural elements of this device.
Rear Axle Optimization of SIGMA Sports Car
Repka, Martin ; Hejtmánek, Petr (referee) ; Blaťák, Ondřej (advisor)
This master’s thesis deals with analysis and following optimisation of a Sigma TN sports car suspension. Knowledge of vehicle dynamics and strength of materials was used during the optimisation. Kinematic and force analysis was carried out in software ADAMS Car. A FEM analysis was processed in Ansys Workbench environment. Three design concepts were worked out, in which Topology optimisation also found use.
Design of three-wheel vehicle
Mlynár, Adam ; Blaťák, Ondřej (referee) ; Hejtmánek, Petr (advisor)
The goal of this diploma thesis is to create structural design of reverse trike vehicle. With use of vehicle dynamics simulations in software MSC Adams Car 2019 is examining suitability of double wishbone suspension with different roll centre heights and effect of longitudinal position of Centre of mass on ride properties and limits. Selected concept of reverse trike vehicle is structurally designed using Solidworks 2016 and stress is inspected with FEM software Ansys Workbench 2019.
On-Road Damper Force Measurement
Hornák, Filip ; Blaťák, Ondřej (referee) ; Hejtmánek, Petr (advisor)
The first part of the master's thesis deals with basic types and functions of dampers, together with a search of commonly used methods of damper force measurements. Consequently, a design of an on-road damper force measuring assembly is made and positioned onto a 3D model of a vehicle's damper. In the final part of the thesis there is made an evaluation of conditions of use of the measuring assembly together with its versatility.
Chassis Design of Off-Road Buggy
Richter, Vojtěch ; Hejtmánek, Petr (referee) ; Blaťák, Ondřej (advisor)
This thesis is focused on the front and rear suspension of the off-road buggy. For the front suspension is compared the concept with and without pushrod with respect to the kinematics parameters and the damping parameters. For the rear axle, there are three concepts that is compared, especially multilink suspension, double wishbone, and swing axle. Finally, structural design and dimensioning for front axle is performed.
Fire-fighting Vehicles
Šamánek, Jan ; Hejtmánek, Petr (referee) ; Blaťák, Ondřej (advisor)
This bachelor's thesis deals with the technology of fire-fighting vehicles. The first section of the thesis describes the historical development of the vehicles and their use in the Czech Republic and around the world. The second section presents an overview of the types of the currently used vehicles according to specific criteria. It is followed by a detailed description of the most used types and their characteristics. The next section of the thesis focuses on the chassis system of heavy fire-fighting vehicles and it introduces several types of special chassis. The thesis closes with a section that includes the author's own design of a rapid intervention vehicle suitable for cities or easy terrain.
BMW Multilink Suspension
Zicha, Tomáš ; Hejtmánek, Petr (referee) ; Blaťák, Ondřej (advisor)
This bachelor's thesis deals with a recherche of modern types of suspension for passenger cars with emphasis on multi-link suspension and structural design of the lower arm of the rear axle for the BMW 3series generation E46, allowing a change of camber beyond the limits of standard arm.
Conversion of Manual Transmission Shift Mechanism
Vysloužil, Marek ; Blaťák, Ondřej (referee) ; Hejtmánek, Petr (advisor)
This bachelor’s thesis is dealing with the research of shifting mechanisms and with the designing of the conversation for the Škoda Octavia Combi RS II. generation vehicle, from standard shifting pattern to racing sequential shift system. It also describes designing procedure of an accurate model using the 3D scanner ATOS and designing of individual parts in Solidworks software. It presents simplified design of the reconstruction and strength analysis of selected component, based on the created model.
Suspension Systems of Military Vehicles
Jirout, Petr ; Hejtmánek, Petr (referee) ; Blaťák, Ondřej (advisor)
This bachelor thesis discusses different systems of suspension, springing and damping of military vehicles. It also deals with commonly used systems of springing and damping, its advantages and disadvantages and shows practical examples of constructional solutions of such systems in vehicles used by the military. The thesis debates the use of electronical systems of suspension for military vehicles.

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