
TOPIO ("TOSY PIng Pong Playing RobOt") is a bipedal humanoid robot designed to play table tennis against a human being. It has been developed since 2005 by TOSY, a robotics firm in Vietnam. It was publicly demonstrated at the Tokyo International Robot Exhibition (IREX) on November 28, 2007. TOPIO 3.0 (the latest version of TOPIO) stands approximately tall and weighs . right|350px|thumbnail|TOPIO 3.0 at International Robot Exhibition|IREX 2009
TOPIO ("TOSY PIng Pong Playing RobOt") is a bipedal humanoid robot designed to play table tennis against a human being. It has been developed since 2005 by TOSY, a robotics firm in Vietnam. It was publicly demonstrated at the Tokyo International Robot Exhibition (IREX) on November 28, 2007. TOPIO 3.0 (the latest version of TOPIO) stands approximately tall and weighs . right|350px|thumbnail|TOPIO 3.0 at International Robot Exhibition|IREX 2009
== Development history == right|250px|thumbnail|TOPIO 2.0 at Nuremberg International Toy Fair 2009 {|style="text-align:center;" class="wikitable" ! Time ! Place ! Event ! Notes |- | November, 2005 || TOSY Robotics || Project TOPIO was started || |- | July, 2007 || TOSY Robotics || First experiment version of TOPIO demonstrated || 8 degrees of freedom, 1 leg, hydraulic system |- | 28 November 2007 || Tokyo International Robot Exhibition, Japan || TOPIO 1.0 publicly demonstrated || 20 degrees of freedom, 6 legs, hydraulic system |- | 5 February 2009 || Nuremberg International Toy Fair, Germany || TOPIO 2.0 publicly demonstrated || 42 degrees of freedom, 2 legs, DC servo motors |- | 25 November 2009 || Tokyo International Robot Exhibition, Japan || TOPIO 3.0 publicly demonstrated || 39 degrees of freedom, 2 legs, Brushless DC servo motors |- | 4–9 February 2010 || Nuremberg International Toy Fair, Germany || TOPIO 3.0 publicly demonstrated || 39 degrees of freedom, 2 legs, Brushless DC servo motors |- | 8–11 June 2010 || AUTOMATICA URBUTT, Germany || TOPIO 3.0 publicly demonstrated || 39 degrees of freedom, 2 legs, Brushless DC servo motors |}
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).