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Improving Tricycle Biomechanics: Strategy Tricycle Biomechanics Team March 3, 2007 Xin He, Tess...

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Improving Tricycle Biomechanics: Strategy Tricycle Biomechanics Team March 3, 2007 Xin He, Tess Veuthey, Katherine Wong, Mario Bollini, Elizabeth Au, Lindsay Todman http://web.mit.edu/sp.784/www/ projects.html
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Page 1: Improving Tricycle Biomechanics: Strategy Tricycle Biomechanics Team March 3, 2007 Xin He, Tess Veuthey, Katherine Wong, Mario Bollini, Elizabeth Au, Lindsay.

Improving Tricycle Biomechanics: Strategy

Tricycle Biomechanics TeamMarch 3, 2007Xin He, Tess Veuthey, Katherine Wong, Mario Bollini, Elizabeth Au, Lindsay Todman

http://web.mit.edu/sp.784/www/projects.html

Page 2: Improving Tricycle Biomechanics: Strategy Tricycle Biomechanics Team March 3, 2007 Xin He, Tess Veuthey, Katherine Wong, Mario Bollini, Elizabeth Au, Lindsay.

Functional Requirements

Ergonomics Aesthetics Adaptability to different disability needs Increase power output efficiency Improve tricycle simultaneous

power and steering

Page 3: Improving Tricycle Biomechanics: Strategy Tricycle Biomechanics Team March 3, 2007 Xin He, Tess Veuthey, Katherine Wong, Mario Bollini, Elizabeth Au, Lindsay.

Power and Steering

http://www.unescap.org/esid/psis/disability/decade/publications/z15001p1/z1500104.htm

rating push ring symmetric lever asymmetric lever symmetric crank asymmetric crank row independent crankdurability 5 1 0 0 0 0 0 -1aesthetics 1 0 0 0 0 0 -1 0terrain 4 -1 -1 0 -1 0 -1 0weight/portability 1 1 0 0 0 0 0 -1complexity 2 1 -1 -1 0 0 -1 -1flexibility (changes for different user sizes) 2 1 1 1 0 0 1 0local manufacturing (repair, materials) 4 0 0 0 0 0 0 0time to make 2 1 -1 -1 0 0 -1 -1performance 5 -2 0 0 0 0 0 0cost 4 1 1 -1 0 0 -1 -1ability of use by a person with spinal injuriesintegration with steering system 5 -1 0 0 1 0 -1 -1

-3 -2 -6 1 0 -16 -19

Page 4: Improving Tricycle Biomechanics: Strategy Tricycle Biomechanics Team March 3, 2007 Xin He, Tess Veuthey, Katherine Wong, Mario Bollini, Elizabeth Au, Lindsay.

Future Plans

Short Term: Develop a more thorough understanding

of the steering and power systems through experimentation on the tricycles.

Long Term: Use the information we gathered to design

a power-steering system that is easier to use and more efficient than the hand-crank and steering system.

Page 5: Improving Tricycle Biomechanics: Strategy Tricycle Biomechanics Team March 3, 2007 Xin He, Tess Veuthey, Katherine Wong, Mario Bollini, Elizabeth Au, Lindsay.

Mentors & Community Partners

•Amos Winter•Gwyn Jones•Ralf Hotchkiss•Aaron Wheeler•Rory McCarthy

•Henry Chacha and Erasto Elias at DAGE•Peter Mbugua and Alfred Matoi at APDK•Casserdy Magaya and Rasta Nazarite at Disacare

Page 6: Improving Tricycle Biomechanics: Strategy Tricycle Biomechanics Team March 3, 2007 Xin He, Tess Veuthey, Katherine Wong, Mario Bollini, Elizabeth Au, Lindsay.

Current Designs

http://www.unescap.org/esid/psis/disability/decade/publications/z15001p1/z1500104.htm

http://www.spinlife.com/category.cfm?categoryID=8

http://web.mit.edu/sp.784/www/projects.html


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