抄録
Tsukuba Challenge is the technical challenge of autonomous mobile robot, which can travel in the real and usual city pedestrian and park environment, where domestic people are usually using. The first stage of Tsukuba Challenges is held in 2007-2011, and they have promoted the technical level of practical mobile robot systems. Succeeding to them, the second stage of Tsukuba Challenge is planned from 2013. This paper explains the discussion on the practical subjects which should be achieved by the experimental mobile robot systems. And, show the defined task for the robot in the second stage of Tsukuba Challenge.