Vision Integrated Electric Wheelchair Kit (VIEW Kit) Team Wheelchair Visionaries (12) Siddharth Kuncham, Douglass Roman, Peter Arriaza, Neil Zhang Team.

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Presentation transcript:

Vision Integrated Electric Wheelchair Kit (VIEW Kit) Team Wheelchair Visionaries (12) Siddharth Kuncham, Douglass Roman, Peter Arriaza, Neil Zhang Team 12: Wheelchair Visionaries

Problem Over 180,000 Americans are classified as Quadriplegic 12,500 new injuries a year Almost all quadriplegic patients have neck mobility Electric Wheelchairs cost around $ $30,000+ Weigh around pounds Team 12: Wheelchair Visionaries

Purpose Motorized Attachment Kit for Manual Wheelchairs Controlled by eye and neck movement Provide quadriplegic patients with a cheaper and easier option to regain mobility Lighter, more portable, and more versatile Team 12: Wheelchair Visionaries

Existing Solutions - Conversion Kits E-Motion Power System Light Drive Team 12: Wheelchair Visionaries

Existing Solutions - Eye Tracking Infrared SensorsCamera Team 12: Wheelchair Visionaries

Why the VIEW Kit? Provides integration of conversion kits and eye tracking systems Simple to install, adjustable, used for different types of wheelchair Significantly lower in price Team 12: Wheelchair Visionaries

Wheelchair Comparison Manual Pros easy to transport lightweight lower maintenance Cons requires arm strength to move difficult for slopes Power Pros allows those with difficulty propelling wheelchair to move adequately increased freedom Cons high cost heavy difficult to transport requires charging higher maintenance Team 12: Wheelchair Visionaries

High Level Design Team 12: Wheelchair Visionaries

Drive System Bulk of Price Driving Force for system hub system drive wheel system different wheel locations Team 12: Wheelchair Visionaries

Motor Sizing Assumptions and Requirements for motor selection: Ramp Angle 12:1, Radius of driving wheel 5cm, Total mass (chair, kit, person) 320 lbs, Desired speed up ramp 1.5mph Team 12: Wheelchair Visionaries

Motor we selected. Ours includes 26.9:1 ratio gearbox. Team 12: Wheelchair Visionaries

Friction Testing Tested three different types of rubber: ●Neoprene ●Silicone ●Polyurethane Used as a method of comparison Need more testing and data analysis Team 12: Wheelchair Visionaries

Eye Tracking System Measuring reflected infrared light Infrared LED and two phototransistors Neck tracking to come Team 12: Wheelchair Visionaries

Advisors and Sponsorship Primary Faculty Advisor: Dr. Mark Yim Professor, Mechanical Engineering and Applied Mechanics at the University of Pennsylvania Technical Advisor: Dr. George J. Pappas Joseph Moore Professor, Electrical and Systems Engineering, Computer and Information Science, Mechanical Engineering and Applied Mechanics at the University of Pennsylvania Currently working to acquire sponsors Wheelchair donated by Aaron Alessi Team 12: Wheelchair Visionaries

Enjoy the Demonstration!

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