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Design of Formula Student Wheel Suspensions
Urban, Marek ; Fojtášek, Jan (oponent) ; Porteš, Petr (vedoucí práce)
This thesis deals with design of suspension kinematics of both axles. Based on analyses of on-track data, multi-body simulations in Adams Car, simulations in Matlab and analytical calculations in Mathcad, various changes of the design are conducted in order to improve the vehicle dynamics of the Formula student car. Individual kinematic changes are made as a response to specific problems that were perceived with the previous car. One of the issues is the packaging of the decoupled roll and heave suspension system and rear suspension links, with the aim to minimize mass, center of gravity height and yawing moment of inertia. Beside packaging, changes of front wheel geometry were conducted to utilize the tire and minimize steering torque. Also, kinematics and compliance simulations of the rear suspension are conducted and a measuring device is designed. Lastly, the effects of kinematic changes and compliance on the steady-state vehicle dynamics are studied using the Force-moment method full-vehicle simulation in Adams, which is then post-processed in Matlab.
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Konstrukční návrh měřicího volantu
Papp, Tomáš ; Čavoj, Ondřej (oponent) ; Vančura, Jan (vedoucí práce)
Táto diplomová práca pojednáva o konštrukčnom návrhu meracieho volantu. Zariadenie nahrádza pôvodný volant v testovanom automobile, je napojené na tyč riadenia pomocou adaptéru. Snímané veličiny sú krútiaci moment v riadení a aktuálny uhol natočenia volantu. Zariadenie slúži na meranie týchto veličín v reálnom čase počas jazdy. Z ich záznamu je možné sledovať určité dynamické aspekty vozidla.
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Design of Formula Student Wheel Suspensions
Urban, Marek ; Fojtášek, Jan (oponent) ; Porteš, Petr (vedoucí práce)
This thesis deals with design of suspension kinematics of both axles. Based on analyses of on-track data, multi-body simulations in Adams Car, simulations in Matlab and analytical calculations in Mathcad, various changes of the design are conducted in order to improve the vehicle dynamics of the Formula student car. Individual kinematic changes are made as a response to specific problems that were perceived with the previous car. One of the issues is the packaging of the decoupled roll and heave suspension system and rear suspension links, with the aim to minimize mass, center of gravity height and yawing moment of inertia. Beside packaging, changes of front wheel geometry were conducted to utilize the tire and minimize steering torque. Also, kinematics and compliance simulations of the rear suspension are conducted and a measuring device is designed. Lastly, the effects of kinematic changes and compliance on the steady-state vehicle dynamics are studied using the Force-moment method full-vehicle simulation in Adams, which is then post-processed in Matlab.
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Konstrukční návrh měřicího volantu
Papp, Tomáš ; Čavoj, Ondřej (oponent) ; Vančura, Jan (vedoucí práce)
Táto diplomová práca pojednáva o konštrukčnom návrhu meracieho volantu. Zariadenie nahrádza pôvodný volant v testovanom automobile, je napojené na tyč riadenia pomocou adaptéru. Snímané veličiny sú krútiaci moment v riadení a aktuálny uhol natočenia volantu. Zariadenie slúži na meranie týchto veličín v reálnom čase počas jazdy. Z ich záznamu je možné sledovať určité dynamické aspekty vozidla.
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