• Sensitive dependence of the motion of a legged robot on granular media 

      Li, Chen; Umbanhowar, Paul B.; Komsuoglu, Haldun; Koditschek, Daniel E.; Goldman, Daniel I. (Georgia Institute of TechnologyNational Academy of Sciences, 2009-03-03)
      Legged locomotion on flowing ground (e.g., granular media) is unlike locomotion on hard ground because feet experience both solid- and fluid-like forces during surface penetration. Recent bioinspired legged robots display ...