Radical Robots: BigDog
Picture this; you’re in the woods going on an easy hike. You have a backpack with snacks and a water bottle and maybe an emergency first aid kit, just in case. All of a sudden a big loping creature comes climbing up the hill after you. It’s the size of a deer and moves like a dog that prances. It’s Boston Dynamics BigDog and it’s carrying an enormous amount of bags and materials. BigDog is a dynamically stable quadruped robot that was created in 2005 by Boston Dynamics with Foster Miller, the NASA Jet Propulsion Laboratory, and the Harvard University Concord Field Station. It can maneuver up and down hills, in leaves, in snow, and even on ice. An onboard computer receives input from sensors and manages locomotion, navigation, and balance. It was funded by the Defense Advanced Research Projects Agency (DARPA) to act as a mechanical pack mule in terrain that is too rough for traditional vehicles with wheels or treads. Big Dog’s four legs function with the help of four low-friction hydra