Modeling & Simulation of Buggy

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Design and dimensions of buggy obtained from … Project Scope .... from http:// www.asdl.gatech.edu/publications/pdf/2001/AIAA-2001-4373.pdf. Meng, A., Wang ...
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Modeling & Simulation of Buggy using Matlab

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We are from …

Haw Keat

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Lilin

Yi Hui

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What is Buggy? Golf buggies

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Single-seater vehicles

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Recreational purposes picture taken from www.buggymart.com

Copyright TJ Power Sports, LLC 2003

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Go Kart

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Objectives ¾ Develop buggy model for testing purposes

¾ Investigate and characterize the behavior of buggy ¾ Comfort level - Suspension system

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picture taken from http://www.f440.com/

picture taken from http://www.bondurantsuperkarts.com picture taken from http://www.smsonline.com/company/simulators.html

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Jeep Wrangler

One-seater commercial vehicle “Twin”

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Project Scope ¾

Matlab/SimMechanics => Buggy model

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Matlab/Virtual Reality Toolbox => Animation

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Solid Edge => CAD drawings

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Design and dimensions of buggy obtained from …

Canada

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Badland Buggy

pictures taken Badland Buggy website

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Next … ¾

Modeling of the buggy using Matlab SimMechanics and Solid Edge ¾Suspension system ¾Driveshaft ¾Wheels ¾Steering

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Animation using VR toolbox

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Solution and Conclusion

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Overview Model Analysis

Inertia, etc.

Solid Edge

Matlab SimMechanics

Matlab Simulink

3D model Results

Simulation

VRML Matlab VR toolbox

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scope

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SimMechanics

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SimMechanics Prismatic joint

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SimMechanics Revolute joint

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SimMechanics Spherical joint

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Buggy

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Buggy Rear suspension Chassis

Front suspension Rear wheels Front wheels

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SimMechanics Model of Buggy

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Chassis

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Rear Suspension

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Rear Suspension

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Driveshaft

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Driveshaft

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Front & Rear Wheels

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Front & Rear Wheels

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Steering

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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 Toolbox Solid Edge

VRealm Builder

VR toolbox

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Animation in VR Straight path

Non-linear path

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Solution ¾

To measure the comfort level of the buggy

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Shows displacement in various directions

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Determine the appropriate spring and damper coefficients of the suspension system

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Conclusion ¾

Virtual prototype of buggy from 2D plans created

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Evaluate performance of buggy

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Further developments

We don’t just want to build buggies… we want to build dreams! - Badland Buggy

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References Badland 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 A Free sample background from www.awesomebackgrounds.com

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Proudly presented by: Koh Lilin Lim Haw Keat Low Yi Hui

Special thanks to A/P Yap Fook Fah School of Mechanical and Aerospace Engineering Nanyang Technological University

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