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Engineering design of the vehicle suspension rocker
Poláček, Vojtěch ; Ramík, Pavel (referee) ; Bradávka, Marek (advisor)
Diploma thesis deals with the design and stress analysis of the rocker suspension for an autocross car. The research describes some real cases of using suspension with pushrod and rocker in motorsport. Subsequently, the work deals with the design of the wheel bump/rebound limiting stops and bump/rebound measuring. The challenge is to design a component shape, size and select fit of a rocker with an emphasis on low weight whilst maintaining sufficient strength and rigidity. The design study include stress analysis which leads to optimize the final shape.
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Road simulator Dyno Tec
Pekar, Marek ; Růžička, Bronislav (referee) ; Mazůrek, Ivan (advisor)
This Bachelor thesis is concerned about reconstruction of road simulators, which is located in Institute of Machine and Industrial Design. At the beginning of this thesis I was interested in overview of current road simulators and undercarriage testers. In the second section I engaged in current state of simulators and I paid attention to various proposals of cover construction and reinforcing of a drum carriage frame. In the next section I have stated a solution for the ideal option of cover construction and a cart attachment. In the conclusion of my bachelor thesis I have compared calculated and experimental values of drum carriage frame frequency. I have also compared the frequency before and after reinforcing of carriage frame of the drum.
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Formula Student Front Wheel Hub Carrier
Lněnička, Martin ; Svída, David (referee) ; Ramík, Pavel (advisor)
This thesis deals with assessment front wheel carrier of Formula Student. It contains various ways assessment and suspension of wheel formula and a car. The main contens is production of drawing documentation parts the Formula Student front wheel hub carrier. The next is realization of calculated the durability bearing to soft journey of straight on the roadway.
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Axle Assessment Using the EUSAMA Methodology
Novák, Petr ; Gajdoš, Petr (referee) ; Mazůrek, Ivan (advisor)
Bachelor thesis deals with problems about areas of a non-assembling diagnostics according to an EUSAMA methodology. Result of the methodology is a technical condition examination of dampers. However with regard to testing of whole suspension and damping vehicle system are results distorted by influence of other vehicle components. EUSAMA needed improvements because of new super light city vehicles and vehicles with runflat tires. Goal of thesis is addition criterion for the EUSAMA which can be used in current EUSAMA suspension testers. Problems are solved by a virtual simulation where is created a model of real vehicle FIAT 500.
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Sport car suspension
Martínek, Tomáš ; Beran, Martin (referee) ; Zháňal, Lubor (advisor)
This thesis deals with design of front and rear suspension of single-seater sports car. Design and optimization of geometrical parametres of axles is followed after theoretical introduction. Another section is concerned with calculation of the vehicle suspension and design of the steering. The construction of individual components is described in the final section.
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Transaxles of modern vehicles
Okáník, František ; Blaťák, Ondřej (referee) ; Píštěk, Václav (advisor)
This bachelor thesis is focused on comparing the properties of axles used in modern passenger cars kinematics of wheel suspension and advantages and disadvantages of their construction. The thesis also includes a description of each of the axle component, their construction and function. Part of this thesis is focused on the description of race car axles and their design differences between passenger cars. Final chapter is devoted to several interesting and innovative axle components that are significantly different than standard components.
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Design of Device for Vehicle Suspension Elastokinematics Measurement
Pohořelský, Petr ; Vančura, Jan (referee) ; Hejtmánek, Petr (advisor)
In my dissertation, I was concentrated mostly on a pliability of problematic of wheel´s suspension. My thesis is mostly a detail design proposal of a device, which is determined for a measurement and record of wheels suspension system´s elastic deformation. My theoretical part of this thesis is a search of existing devices and its problematic. The other part of my dissertation is a description of individual parts of my designed device and also an analysis of designed components´ intension. My thesis includes calculation, for case of realisation. There is also a design of measuring chain, methods of results´ evaluation after measuring with this device and theoretical analysis of measurement´s inaccuracy.
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Design of Formula Student Wheel Suspensions
Urban, Marek ; Fojtášek, Jan (referee) ; Porteš, Petr (advisor)
Tato práce se se zabývá návrhem kinematiky zavěšení kol obou náprav. Na základě analýz jízdních dat, multi-body simulací v softwaru Adams Car, simulací v Matlabu a analytických kalkulací v Mathcadu, je navržena řada změn s cílem zlepšit jízdní vlastnosti vozu Formule student, tyto změny jsou následně implementovány do CAD modelu vozu. Jednotlivé změny kinematiky náprav jsou provedeny na základě analýzy konkrétního problému, který se snaží řešit. Jednou z problematik je zástavbová náročnost systému odpružení a zavěšení zadních kol, zde je cílem snížit hmotnost, výšku těžiště a moment setrvačnosti. Další problematikou je geometrie předního kola, kde je cílem zlepšit využití pneumatik a snížit síly v řízení. Dále se práce zabývá simulacemi elastokinematiky zadní nápravy, součástí je také návrh měřícího zařízení. V poslední části je zkoumán vliv provedených změn i elastokinematiky na jízdní dynamiku vozu v ustálených stavech za pomocí MM metody simulované s modelem celého vozu v Adams Car a zpracované v Matlabu.
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