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Modeling & Simulation Modeling & Simulation of Buggyof Buggy
using using MatlabMatlab
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We are from …
Haw Haw KeatKeat LilinLilin Yi Yi HuiHui
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What is Buggy?What is Buggy?
SingleSingle--seaterseater vehiclesvehicles
Recreational purposesRecreational purposes
Go KartGo KartCopyright TJ Power Sports, LLC 2003
Golf buggiesGolf buggies
picture taken from www.buggymart.com
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Develop buggy model for testing purposes
Investigate and characterize the behavior of buggyComfort level - Suspension system
ObjectivesObjectives
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picture taken from http://www.f440.com/
picture taken from http://www.bondurantsuperkarts.compicture taken from http://www.smsonline.com/company/simulators.html
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One-seater commercial vehicle “Twin”
Jeep Wrangler
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Matlab/Matlab/SimMechanicsSimMechanics => Buggy model => Buggy model
MatlabMatlab//Virtual Reality Toolbox => AnimationVirtual Reality Toolbox => Animation
Solid Edge =>Solid Edge => CAD drawings
Design and dimensions of buggy obtained from Design and dimensions of buggy obtained from ……
Project ScopeProject Scope
CanadaCanada
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Badland BuggyBadland Buggy
pictures taken Badland Buggy website
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Next Next ……
Modeling of the buggy using Modeling of the buggy using MatlabMatlabSimMechanicsSimMechanics and Solid Edgeand Solid Edge
Suspension system Suspension system DriveshaftDriveshaftWheelsWheelsSteeringSteering
Animation using VR toolboxAnimation using VR toolbox
Solution and ConclusionSolution and Conclusion
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OverviewOverview
MatlabSimMechanics
VRML
Solid Edge MatlabSimulink
scopeMatlab
VR toolboxMatlab
VR toolbox
Inertia, etc.
3D model
Model Analysis
ResultsSimulation
MatlabSimMechanics
MatlabSimulink
Solid Edge
VRML
scope
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SimMechanicsSimMechanics
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SimMechanicsSimMechanics
Prismatic jointPrismatic joint
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SimMechanicsSimMechanics
Revolute jointRevolute joint
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SimMechanicsSimMechanics
Spherical jointSpherical joint
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BuggyBuggy
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BuggyBuggy
Rear suspension
Front suspension
Rear wheelsFront wheels
Chassis
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SimMechanicsSimMechanics Model of BuggyModel of Buggy
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ChassisChassis
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Rear SuspensionRear Suspension
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Rear SuspensionRear Suspension
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DriveshaftDriveshaft
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DriveshaftDriveshaft
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Front & Rear WheelsFront & Rear Wheels
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Front & Rear WheelsFront & Rear Wheels
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SteeringSteering
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Simulation Simulation
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Animation
Solid Edge
VRealm Builder
VR toolbox
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Animation
Solid Edge
VRealm Builder
VR toolbox
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Animation
Solid Edge
VRealm Builder
VR toolbox
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Virtual Reality ToolboxVirtual Reality Toolbox
Solid Edge
VRealm Builder
VR toolbox
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Animation in VRAnimation in VR
Straight path
Non-linear path
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SolutionSolutionTo measure the comfort level of the buggy
Shows displacement in various directions
Determine the appropriate spring and damper coefficients of the suspension system
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ConclusionConclusion
Virtual prototype of buggy from 2D plans createdVirtual prototype of buggy from 2D plans created
Evaluate performance of buggy Evaluate performance of buggy
Further developments Further developments
We don’t just want to build buggies…we want to build dreams!
-- Badland BuggyBadland Buggy
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ReferencesReferencesBadland Buggy 2D Off-Road Vehicle Plans & Quality Parts, ST2. (2003) Calgary, Alberta, Canada.
Barr, A. J., & Ray, J. L. (1996). Control of an active suspension using fuzzy logic. International Conference on Fuzzy Systems, v 1, p 42-48.
Gani, M. R (1999, March). The Computer Assisted Modelling, Simulation and Analysis of Two-wheeled Road Vehicles. British Thesis Service, LS23 7BQ. West Yorkshire, United Kingdom,
Marvris, D., & Scharl, J., (2001). Building Parametric and Probabilistic Dynamic Vehicle Models Using Neural Networks. American Institute of Aeronautics and Astronautics (AIAA). Retrieved March 19, 2005, from http://www.asdl.gatech.edu/publications/pdf/2001/AIAA-2001-4373.pdf
Meng, A., Wang, L., Cong, H., & Yu, K. (2003). A Study on Simulation and Control Scheme of Limited Bandwidth Active Vehicle. Proceedings of the International Symposium on Test and Measurement, v 3(2003), p 2219-2222.
Pletner, B., & Abramovich, H. (1995). Adaptive suspension of vehicles using piezoelectric sensors. Journal of Intelligent Material Systems and Structures, v 6(n 6), p 744-756.
The 37th Tokyo Motor Show (2003). Small Cars, Big Future. Japan Automobile Manufactures Association. Retrieved May 2, 2005, from http://www.tokyo-motorshow.com/show/2004/english/public/playback/playback4.html
TheFreeDictionary.com website (2005). Farlex, Inc. Retrieved May 2, 2005, from http://www.thefreedictionary.com/%20automobile
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Proudly presented by:
Koh LilinLim Haw KeatLow Yi Hui
Special thanks to
A/P Yap Fook FahSchool of Mechanical and Aerospace EngineeringNanyang Technological University