Power-Assist Control Interface for Wheelchairs From: NASA Tech Briefs - 05/01/2010 This technology monitors input and effort, and instantly adapts the device to real-world conditions. A computer-controlled, programmable control interface allows safe, intuitive manual control for motorized wheelchairs that operate in variable terrain. The key feature of this technology is its proprietary computer program that enables an operator to manage a load as if it were light and on a smooth level surface, no matter what the real-world load or grade is. Operation is completely intuitive and does not require manipulation of throttle and/or brakes. Read the entire article at: http://www.techbriefs.com/component/content/article/7872 Links: Power assist control interface for wheeled devices http://www.yet2.com/app/list/techpak?id=39965&sid=90&abc=0 Competitive Technologies http://competitivetech.net/