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Upper Darby High School
- A total of 72 dual-layer
polyurethane rollers – set on fins at 45-degree angles – circumscribe
each stainless-steel hub that comprises the omni-directional wheelchair.
- A three-access joint stick
coupled with encoders mounted on each drive shaft allow infinite direction, while
ensuring precise control of speed and direction of each wheel.
- The powered chair also has
the ability to raise and lower its height, tilt the seat, and raise and lower the
- Demonstrated at the
Odyssey, the InvenTeam’s omni-directional wheelchair illustrated full
maneuverability through translational, lateral and rotational movements including
moving in diagonals at any angle and tracing an arch.
- There is potential to
further develop the prototype in collaboration with the company Airtrax, which
provided additional support for the InvenTeam.