The Third International Symposium in Robotics Research was held in the Fall of 1985 in Gouvieux-Chantilly, France. This book collects 45 papers presented by the 66 participants from the U.S., Japan, and Europe, reflecting the wide variety of research issues currently under exploration. The topics covered include perception (visual and local), action And control, robot mechanisms, and modeling and systems. Selected contents: Two Sensors Are Better...