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The Global ETD Search service is a free service for researchers
to find electronic theses and dissertations. This service is
provided by the
Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
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Showing 1 to 5 of 5 (0.072 seconds)Spelling suggestions: "subject:"asteering geometry"" "subject:"unteering geometry""
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Wheel movement during brakingKlaps, J., Day, Andrew J. January 2002 (has links)
Yes / An experimental study of wheel movement arising from compliance in the front suspension and
steering system of a passenger car during braking is presented. Using a Kinematic and
Compliance (K&C) test rig, movement of the front wheels and the suspension sub-frame,
together with corresponding changes in suspension / steering geometry under simulated braking
conditions, were measured and compared with dynamic measurements of the centre points of the
front wheels. The resulting knowledge of front wheel deflections has enabled the causes and
effects of steering drift during braking to be better understood in the design of front suspension
systems for vehicle stability.
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Konstrukční řešení řízení formulového vozu / Formula Car Steering System DesignČervenka, Filip January 2016 (has links)
The topic of this master degree thesis is Formula Car Steering System Design. The thesis analyses principles connected with the steering system, such as aligning torque, camber variation from steering or spindle height change, as well as the influence of the steering wheel geometry on these principles. The main part of this thesis is steering system designing for practical purposes in international competitions of university teams. The simulation of parts is processed by finite element method. Also included are the load transfer and the tyre data sets topics. The thesis concludes with a list of several examples of car setup for cornering.
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Ovládání robota s Ackermannovým podvozkem / Controlling of Robot with Ackermann SteeringFryč, Martin January 2017 (has links)
In this paper is described creation of a robot in Robot Operating system (ROS) withAckermann steering. It contains the principle of Ackermann steering geometry, search ofcontroller boards and basics of ROS structure. A RC car with connected PixHawk controlleris used as a basis of the robot. On the robot is placed an onboard computer Raspberry Pi3 with running ROS. This computer is connected to a laptop through Wi-Fi network. Theprocedure of starting up the robot and ROS is also described in this paper, as well asdesign of the graphical user interface (GUI) that will display sensory data and allow otherfunctionality. Another part of thesis explains principle of an optical encoder and how tocreate your own encoder which can detect rotation of a wheel. This is used to implementrobot odometry. The structure of ROS navigation library is analyzed with regards to itscommissioning. Implementation of the GUI and navigation library will follow in the masterthesis.
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Přední nezávislá náprava pro autobus / Independent front axletree of the busMoravec, Jan January 2008 (has links)
In those diploma work was solved problems of independent trapezoidal axletree for low-floor bus - NB12 CITY firm SOR Libchavy s.r.o . Work was divided into two main features: solving wheel-suspension kinematics and strenght calculation sorted parts of wheel suspension by the help of finite element method. There was effected fatigue calculation sorted parts of wheel suspension according to „Resetova metoda“ of predicting fatigue damage flowing from so – called cutaway methodics of fatigue tests at the close of this work.
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Däckmodellering och prestandaanalys för Formula StudentOlsson, Hugo January 2024 (has links)
Arbetets syfte var att göra ett motiverat val av däck till bilen som KTH Formula Student planerar att utveckla till 2025. Detta gjordes genom att använda däckdata från FSAE TTC och utifrån den modellera alla däck med däckmodellen Magic Formula TNO MFTyre/MF-Swift 6.1. Denna modell innehåller variationer i däcktryck, camber och vertikal last. Därefter simulerades varvtid vid olika grenar som skidpad, autocross och endurance för att jämföra alla däcks prestanda. Dessutom kunde flera andra värden värda att jämföras beräknas utifrån däckmodellen och datan från FSAE TTC. Dessa var hållbarhet, däcktemperatur, däckens massa, sidkraftskoefficient, camberkänslighet och däckens fjäderkonstant. Alla dessa värden jämfördes till sist där varvtid och hållbarhet prioriterades. Tre däck fanns kvar i slutet vilka rekommenderades.
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