balance at first,look this robot mule

as a long time,people want robot can be stand as well as walk,they are found so many problem,fix problem,balance are very important,so want robot stand well must give a balance place or creating balance by robot itself.
this video to show people intelligence give robot a balance system let's it can be stand well and walk well whlie in the snow,rock and so on...

look this video at Youtube.com