Few topics are as intensely discussed in humanoid robotics right now as actuation. At Humanoid Days 2026, we put exactly this question at the center of our talk: Could piezohydraulic actuators drive the next generation of humanoid limbs?
In this post, we summarize the key theses from the talk – and explain why we at MetisMotion see this as one of the most significant unsolved challenges in humanoid robotics.
