The equipment, named “Windrunner”, was built by Qining WANG at the Institute of Intelligent Systems and Human Engineering of Peking University. Windrunner” guides the smart power ankle by an electromechanical and electronic control system, which identifies at a rate of 25 times faster than the human eye a sensor signal from a chip which calculates in real time the user’s geographical location, suggests the intention of the user’s actions and identifies the terrain”

China Bio news release, Sept. 17, 2014