CHARLI-2 robot dances Gangnam Style

The researchers at Virginia Tech's Robotics and Mechanisms Laboratory have put out a new video of their CHARLI-2 robot dancing Gangnam Style.

The lightweight (15kgs) robot was developed as a research platform to study bipedal walking and autonomous behaviors for humanoid robots. It implements an impressive active stabilisation strategy based on sensory feedback (filtered IMU angles, gyro rate readings and proprioception information based on joint encoders). Stabilising torques at the ankle joints are applied based on this information, and successfully reject external disturbances.