Modeling & Simulation of Buggy

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Modeling & Simulation of Buggy using Matlab

A Free sample background from www.awesomebackgrounds.com

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We are from …

Haw Keat


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


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


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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VRealm Builder

VR toolbox


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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
