HyQ is a new versatile quadruped robot with hydraulic+electric actuation developed at the Department of Advanced Robotics at the Italian Institute of Technology (IIT). HyQ is fast, robust, actively compliant and ready for versatile locomotion. It weighs 70kg and is 1m long.
This video shows balancing and outdoor tests with HyQ at IIT. It shows walking over unperceived obstacles using active compliance and IMU for stabilization.