Sep 27, 2016

[AI Lab] Pepper robot learning “ball in a cup”

Posted by in categories: entertainment, information science, robotics/AI

This video realized by the AI Lab of SoftBank Robotics shows how Pepper robot learns to play the ball-in-a-cup game (“bilboquet” in French). The movement is first demonstrated to the robot by guiding its arm.

From there, Pepper has to improve its performance through trial-and-error learning. Even though the initial demonstration does not land the ball in the cup, Pepper can still learn to play the game successfully.

The movement is represented as a so-called dynamic movement primitive and optimized using an evolutionary algorithm. Our implementation uses the freely available software library dmpbbo:

After 100 trials, Pepper has successfully optimized its behavior and is able to repeatedly land the ball in the cup.

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