4Th Ieee International Symposium on Assembly and Task Planning (Isatp2001), Date: MAY 28-29, 2001, Location: FUKUOKA, JAPAN, Patrocinadores: IEEE Robotics & Automat Soc, IEEE Japan, Int Inst Prod Engn Res, Japan Assoc Automat Advancement, Japan Robot Assoc, Japan Soc Mech Engineers, Japan Soc Precis Engn, Mfg Sci Technol Ctr, Robotics Soc Japan, Sensing Instrument Control Engn, Soc Automobile Engineers Japan