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Collision Avoidance System Coverage Evaluation for Power Wheelchairs

This study assesses sensor coverage in a power wheelchair collision-avoidance system using sonar and infrared sensors. Dark gray areas signify both sensor types, medium gray for sonar only, and light gray for infrared only. White areas lack coverage. The system's performance was evaluated.

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Collision Avoidance System Coverage Evaluation for Power Wheelchairs

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  1. Figure 4. Sensor coverage (Pride Mobility Wheelchair). Areas in dark gray are covered by at least one sonar and at least one infrared sensor (IR), medium gray by at least one sonar (but no IRs), and light gray by at least one IR (but no sonars). Areas in white are not covered by any sonar or IR. Black rectangle at center represents wheelchair. LoPresti EF, Sharma V, Simpson RC, Mostowy LC. Performance testing of collision-avoidance system for power wheelchairs.J Rehabil Res Dev. 2011;48(5):529-44.DOI:10.1682/JRRD.2010.01.0008

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