Golf buggies - Nanyang Technological University
Golf buggies - Nanyang Technological University
Golf buggies - Nanyang Technological University
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Slide 1<br />
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Modeling & Simulation<br />
of Buggy<br />
using Matlab<br />
© 2003 By Default!
Slide 2<br />
We are from …<br />
Haw Keat Lilin Yi Hui<br />
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© 2003 By Default!
Slide 3<br />
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Slide 4<br />
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What is Buggy?<br />
�� Single-seater<br />
Single seater vehicles<br />
�� Recreational purposes<br />
Copyright TJ Power Sports, LLC 2003<br />
Go Kart<br />
<strong>Golf</strong> <strong>buggies</strong><br />
picture taken from www.buggymart.com<br />
© 2003 By Default!
Slide 5<br />
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Objectives<br />
� Develop buggy model for testing purposes<br />
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� Investigate and characterize the behavior of buggy<br />
� Comfort level - Suspension system
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Slide 7<br />
picture taken from http://www.f440.com/<br />
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© 2003 By Default!<br />
picture taken from http://www.bondurantsuperkarts.com<br />
picture taken from http://www.smsonline.com/company/simulators.html
Slide 8<br />
One-seater commercial vehicle “Twin”<br />
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Jeep Wrangler<br />
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Slide 9<br />
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Project Scope<br />
�� Matlab/SimMechanics<br />
Matlab/ SimMechanics => Buggy model<br />
�� Matlab/Virtual Matlab Virtual Reality Toolbox => Animation<br />
�� Solid Edge => CAD drawings<br />
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�� Design and dimensions of buggy obtained from …<br />
Canada
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Slide 11<br />
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Badland Buggy<br />
pictures taken Badland Buggy website<br />
© 2003 By Default!
Slide 12<br />
Next …<br />
�� Modeling of the buggy using Matlab<br />
SimMechanics and Solid Edge<br />
��Suspension Suspension system<br />
��Driveshaft Driveshaft<br />
��Wheels Wheels<br />
��Steering Steering<br />
�� Animation using VR toolbox<br />
�� Solution and Conclusion<br />
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Slide 13<br />
Solid Edge<br />
3D model<br />
Inertia, etc.<br />
VRML<br />
Simulation<br />
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Overview<br />
Matlab<br />
SimMechanics<br />
Matlab<br />
VR toolbox<br />
Model Analysis<br />
Matlab<br />
Simulink<br />
scope<br />
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Results
Slide 14<br />
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SimMechanics<br />
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SimMechanics<br />
Prismatic joint<br />
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SimMechanics<br />
Revolute joint<br />
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SimMechanics<br />
Spherical joint<br />
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Slide 18<br />
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Buggy<br />
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Slide 19<br />
Rear<br />
suspension<br />
Rear wheels<br />
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Buggy<br />
Front<br />
suspension<br />
Chassis<br />
Front wheels<br />
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SimMechanics Model of Buggy
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Chassis<br />
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Slide 22<br />
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Rear Suspension<br />
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Rear Suspension<br />
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Driveshaft<br />
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Driveshaft<br />
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Front & Rear Wheels<br />
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Slide 27<br />
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Front & Rear Wheels<br />
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Slide 28<br />
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Steering<br />
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Slide 29<br />
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Simulation<br />
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Slide 30<br />
Solid Edge<br />
VRealm Builder<br />
VR toolbox<br />
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Animation<br />
© 2003 By Default!
Slide 31<br />
Solid Edge<br />
VRealm Builder<br />
VR toolbox<br />
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Animation<br />
© 2003 By Default!
Slide 32<br />
Solid Edge<br />
VRealm Builder<br />
VR toolbox<br />
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Animation<br />
© 2003 By Default!
Slide 33<br />
Virtual Reality Toolbox<br />
Solid Edge<br />
VRealm Builder<br />
VR toolbox<br />
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© 2003 By Default!
Slide 34<br />
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Animation in VR<br />
Straight path<br />
Non-linear path<br />
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Solution<br />
� To measure the comfort level of the buggy<br />
� Shows displacement in various directions<br />
� Determine the appropriate spring and damper<br />
coefficients of the suspension system<br />
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Slide 36<br />
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Conclusion<br />
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�� Virtual prototype of buggy from 2D plans created<br />
�� Evaluate performance of buggy<br />
�� Further developments<br />
We don’t just want to build <strong>buggies</strong>…<br />
we want to build dreams!<br />
- Badland Buggy
Slide 37<br />
References<br />
Badland Buggy 2D Off-Road Vehicle Plans & Quality Parts, ST2. (2003) Calgary, Alberta, Canada.<br />
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Barr, A. J., & Ray, J. L. (1996). Control of an active suspension using fuzzy logic. International Conference<br />
on Fuzzy Systems, v 1, p 42-48.<br />
Gani, M. R (1999, March). The Computer Assisted Modelling, Simulation and Analysis of Two-wheeled<br />
Road Vehicles. British Thesis Service, LS23 7BQ. West Yorkshire, United Kingdom,<br />
Marvris, D., & Scharl, J., (2001). Building Parametric and Probabilistic Dynamic Vehicle Models Using<br />
Neural Networks. American Institute of Aeronautics and Astronautics (AIAA). Retrieved March 19, 2005,<br />
from http://www.asdl.gatech.edu/publications/pdf/2001/AIAA-2001-4373.pdf<br />
Meng, A., Wang, L., Cong, H., & Yu, K. (2003). A Study on Simulation and Control Scheme of Limited<br />
Bandwidth Active Vehicle. Proceedings of the International Symposium on Test and Measurement, v<br />
3(2003), p 2219-2222.<br />
Pletner, B., & Abramovich, H. (1995). Adaptive suspension of vehicles using piezoelectric sensors. Journal<br />
of Intelligent Material Systems and Structures, v 6(n 6), p 744-756.<br />
The 37th Tokyo Motor Show (2003). Small Cars, Big Future. Japan Automobile Manufactures Association.<br />
Retrieved May 2, 2005, from<br />
http://www.tokyo-motorshow.com/show/2004/english/public/playback/playback4.html<br />
TheFreeDictionary.com website (2005). Farlex, Inc. Retrieved May 2, 2005, from<br />
http://www.thefreedictionary.com/%20automobile
Slide 38<br />
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Proudly presented by:<br />
Koh Lilin<br />
Lim Haw Keat<br />
Low Yi Hui<br />
Special thanks to<br />
A/P Yap Fook Fah<br />
School of Mechanical and Aerospace<br />
Engineering<br />
<strong>Nanyang</strong> <strong>Technological</strong> <strong>University</strong><br />
© 2003 By Default!
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