ball chasing demo

[Brandon Rohrer]

BECCA has learned to get pretty good at chasing down balls. It actually learned to exploit the geometry and dynamics of the world and discovered an efficient strategy that I hadn't foreseen.

http://youtu.be/4kPoU8eZvio?list=PLF861CC4C40439EEB

[Azriel Fasten]

I love how it gets "bored" at 4.2 hours, stops chasing the ball, and just bounces off the walls in a circular manner.

On Tue, Jan 13, 2015 at 11:44 PM, Brandon Rohrer <bro...@gmail.com> wrote:

BECCA has learned to get pretty good at chasing down balls. It actually learned to exploit the geometry and dynamics of the world and discovered an efficient strategy that I hadn't foreseen.

http://youtu.be/4kPoU8eZvio?list=PLF861CC4C40439EEB

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[Brandon Rohrer]

Azriel,

So true. Although, if you look at the reward history, the circular bouncing pattern actually helps it sweep the space and catch the ball more often than its strategic aim-and-fire approach. It's fun to see the robot learn to game the system, but I was hoping to force it to learn a skilled behavior, rather than learn to blindly ricochet off the walls. In the next iteration, I'm introducing a small penalty for touching the walls in order to encourage a more thoughtful strategy. 

Brandon