Createk third-arm : Supernumerary robotic arm powered by magnetorheological clutches and an hydrostatic transmission. Fast enough to compensate for human motions while being safe for physical human-robot interaction.
More information can be found in this paper :
Catherine Véronneau, Jeff Denis, Louis-Philippe Lebel, Marc Denninger, Vincent Blanchard, Alexandre Girard, and Jean-Sébastien Plante, “Multifunctional Remotely Actuated 3-DOF Supernumerary Robotic Arm Based on Magnetorheological Clutches and Hyd