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Final Product Design Presentation P13265 Motorcycle Safety Lightin g Backpack Team

Final Product Design Presentation P13265 Motorcycle Safety Lightin g Backpack Team. May 10th, 2013 RIT MSDII. MSD Team. Primary Customers: Sport bike/standard riders who ride with backpacks Surrogate Customer Andrew Nauss Faculty Guides: Leo Farnand Vince Burolla Team Members:

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Final Product Design Presentation P13265 Motorcycle Safety Lightin g Backpack Team

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  1. Final Product Design PresentationP13265Motorcycle Safety Lighting Backpack Team May 10th, 2013 RIT MSDII

  2. MSD Team • Primary Customers: • Sport bike/standard riders who ride with backpacks • Surrogate Customer • Andrew Nauss • Faculty Guides: • Leo Farnand • Vince Burolla • Team Members: • Mike Baer, Project Manager • Tyler Davis, Lead Engineer • Ben Shelkey, ME Project Engineer • TJ Binotto, EE Project Engineer • Eric Dixon, EE Project Engineer • Killian Castner, Industrial Designer

  3. Today’s Agenda • Overview 3 mins, 2 slides • Project Description Recap • Customer Needs • System Model Design 5 mins, 4 slides • Final Design • Testing 3 mins, 2 slides • Functionality vs. Test Plan • Project Management Review 8 mins, 2 slides • Schedule vs. MSDII Plan • Budget vs. Planned Budget • Next Steps 10 mins, 6 slides • Lessons Learned • Next Steps • Moving Forward, Comments

  4. Concept Summary Problem: Want to reduce number of motorcycle accidents and deaths caused by other motorists Solution: Visibility product aimed at increasing safety of motorcycle rider Design: Backpack with LED turn signals, brake, and running lights that operate wirelessly with vehicle

  5. Customer Needs

  6. Final DesignBackpack Brake/Running Lights User Control Panel On Chest Strap “Quick” access pouch Turn Signals Zipper attachment to hard-shell Electronics Box Inside Bottom Backpack Compartment Lower compartment for electronics housing Soft back and straps cut from existing backpack

  7. Final DesignChest Strap User Control Panel Battery Health LEDs On/Off Button Hazard Button Light Brightness High/ Low Button StatusLEDs Control Panel (w/ Cover) Control Panel PCB • Concept to Creation- Changes and Problems: • Rapid prototyped instead of vacuum formed • Battery LED colors changed • LED push buttons are not two position (light up all the time) • Buttons not waterproof

  8. Final DesignElectronics Housing* NiMH rechargeable battery Receiver XBee On/Off Power Button USB charging port 40 pin ribbon connector for light signals • Concept to Creation- • Changes and Problems: • Housing container • thicker than design • Low voltage battery shut-off • non-functional AC NiMH Charger Port Motorcycle Battery “Quick” Connect Port Flash Pattern Select Push Buttons * Lid Not Pictured

  9. Final DesignMotorcycle Bergquist Thermal Adhesive Wireless Light Signals Out Transmitter Box Bike Light Signals In (Inside Box) Transmitter Board w/ Xbee Transmitter Bike Power • Concept to Creation- • Changes and Problems: • No standoffs used due to Bergquist donation • Board resized due to box being too small • Box is unnecessarily tall

  10. Test Results *N/C= not completed

  11. Test Results *N/C= not completed

  12. Schedule vs. Plan Major Milestones:

  13. Project Budget vs. Plan • Initial budget set to $500 • Increased to $1,000 • Team spent ~$1,200 • Unexpected/ high item costs: • 3 revisions of PCB’s with new components: • 1st $100 (budgeted for) • 2nd $90 (not budgeted for) • 3rd $150 (budgeted for in budget increase) • Mistakes • 1 Xbee units shorted ~$20 • Light covers knocked off chest strap buttons ~$10 • Etc. • Team meeting to divide costs among responsible members

  14. Lessons Learned: Mechanical • Shell Assembly: • Problem: Thermoforming process did not create ideal results • Reason: Did not test assumptions about process • Lesson: Confirm manufacturing method limitations prior to final design • Backpack Oversized: • Problem: Backpack is too large for average person to wear • Reason: CAD models not accurate prior to build • Lesson: Print out CAD models to scale, check for tolerances between assemblies

  15. Lessons Learned: Electrical • Board layout: • Problem: Major mistakes made in 2 board layouts • Reason: Lack of attention to detail during review • Lesson: A systematic, thorough approach is necessary to prevent careless, costly, and time-consuming mistakes • Software: • Problem: Software is not fully developed, which prevented full functionality (e.g. PWM and high/low functionality) • Reason: Poor planning/ uneven work distribution • Lesson: Make more refined deadlines/ don’t underestimate the complexity of software development

  16. Lessons Learned: Group Dynamics • Planning: • Problem: Almost every major milestone missed • Reason: Did not follow MSDII plan, lack of motivation • Lesson: Plans are there for a reason, use them • Communication: • Problem: Disconnect/ lack of communication between team members • Reason: Not always prompt in responses, not asking questions • Lesson: Communicate frequently

  17. Next Steps • Next Week: • Populate new board next week (upon arrival) • Complete all electronics testing • Install and test system on motorcycle • This summer: • Will present at RIT’s technology tent at the Wegman’s LPGA tournament

  18. Future Improvements • Mechanical: • Redesign for smaller size • More precise manufacturing process • Electrical: • Complete software functionality • Change battery and wireless technologies • Overall Product: • Redesign for mass production • Reduce build cost

  19. Thank You for Your Time! Questions?

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