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APW2500 Air Powered Wheelchair

APW2500 Air Powered Wheelchair. Team: Aaron Breault Bryant Langley Keith Willis. Background. Electric Wheelchairs have limited range Require a recharge that takes 8-14 hours Have difficulties functioning in wet and hot conditions Short battery life of abou t 6 months

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APW2500 Air Powered Wheelchair

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  1. APW2500Air Powered Wheelchair Team: Aaron Breault Bryant Langley Keith Willis

  2. Background • Electric Wheelchairs have limited range • Require a recharge that takes 8-14 hours • Have difficulties functioning in wet and hot conditions • Short battery life of about6 months • Battery replacement cost of $240 or greater

  3. Problem Statement • To design a pneumatic powered wheelchair that has the capability to be “refueled” quickly • Has to have the ability to move a person of 300 pounds at least • Has to incorporate variable speed control • Needs to be able to be reversible • Needs to be able to achieve a maximum speed of 10 mph • Needs to be able to be controlled precisely

  4. Different Types of Motors • Radial Piston • Axial Piston • Rotary Vane

  5. Current state of the art wheelchairs

  6. comparing

  7. Our Solution

  8. System Diagram Steering System Pressure & Flow Rate Control System Pneumatic Motor Control System

  9. System layout Joystick

  10. Solution Inline Piston motor High torque Low consumption of air Light Precise variable speed Reversible

  11. Budget

  12. Schedule

  13. Questions

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