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The SmartWheel is a wheelchair - mounted device for measuring propulsion parameters that can be used to compute forces, acceleration, rate of rise, velocity, stroke length, and other aspects of wheelchair use. The SmartWheel has been accepted as a measurement tool for the ASTM PS 83 - 97/F1951 Standard on Playground Surface Accessibility.

In addition to the instruments discussed above, during the course of this project the city of Bellevue, Washington developed a Segway - mounted device to survey the city's sidewalks and curbs to determine if they met accessibility standards. It used an ultra - light inertial profiler (ULIP) manufactured by Starodub, Inc. in Kengington, MD. This instrument gives a very small sampling interval of about 0.5 mm at maximum speed. Although providing very accurate data and the ability to extrapolate to longer intervals, there still needs to be a standard for slope, flatness, and smoothness at longer intervals.

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