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Virtual testing of articulated haulers
Linnaeus University, Faculty of Technology, Department of Mechanical Engineering.
Linnaeus University, Faculty of Technology, Department of Mechanical Engineering.
2014 (English)Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

Multi-body system dynamics is one of the most important theoretical achievementsin mechanics. With the development of the theory, corresponding commercialsoftware packages have been developed and are used for modellingand simulation of complicated large systems, such as air planes and vehicles.This kind of virtual prototypes can be used for studies and assessments ofreal systems even before the real systems are built. As a result, the high costprototype building and prototype testing can be saved, so as the time can bereduced. This is just the demand of modern industry. This theory can beapplied on the vehicle-virtual road interaction study which has been used inthis thesis.This thesis suggests a target velocity prole for a heavy vehicle which driveson tough road. Having uneven and hilly road, actual driving conditions arechanged as the driver runs the vehicle. Drivers can perceive the road conditionwith their visual organ and sense of balance and then they control theirvehicles more safely by re ecting various conditions of this target velocityprole. Without this process, the driving-stabilization on slope and twistingroads would fall considerably, and the problem could be directly connected tooverturning. This thesis, moreover, will show how to acquire the road data,extract the velocity prole, and verify the performance of the suggested velocityprole through virtual road test.In vehicle-virtual road interaction simulation, multi body system (MBS) dynamicswith software Adams has been employed to model an articulatedhauler. The simulation has been validated by velocity prole test data andcompared to the former velocity prole. This method can be used for estimatingthe eects of dynamic forces on the frame so that the load design canbe assessed in vehicle design process.This project is in collaboration with Volvo Construction Equipment AB,Braas, Sweden.

Place, publisher, year, edition, pages
2014. , 50 p.
Keyword [en]
Articulated haulers, velocity prole, virtual testing, MBS dynamics, heavy vehicle modelling, Adams
National Category
Vehicle Engineering
Identifiers
URN: urn:nbn:se:lnu:diva-35247OAI: oai:DiVA.org:lnu-35247DiVA: diva2:725908
Subject / course
Mechanical Engineering
Educational program
Mechanical Engineering, Master Programme, 60 credits
Supervisors
Examiners
Available from: 2014-06-17 Created: 2014-06-17 Last updated: 2014-06-17Bibliographically approved

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Thesis(2687 kB)407 downloads
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File name FULLTEXT01.pdfFile size 2687 kBChecksum SHA-512
f0c2bccc3508d21314cd3f9ebe1208e9247edb1898ca019019759ff87f7e2e4467caf0e4f27996921ecd6f54d2a6644cf2cf6b654dd494f22df47803bb146f55
Type fulltextMimetype application/pdf

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Citation style
  • apa
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Output format
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