A string of videos showing Unitree humanoid robots malfunctioning at public events in China—hugging, flailing and lashing out at people nearby—has renewed attention on a fundamental challenge: how to keep bipedal robots that share space with humans from causing harm.
Humanoid Robotics · Safety Challenge
The Quest to Make Humanoid Robots Safe Enough for Humans
Viral clips of a robot kicking a child in China and a dancing machine hurling tableware in California expose the central hurdle for humanoids: sharing space with people without hurting them.
~32kg
Unitree G1 weight (~70 lbs)
~100 N
Kick force ≈ a 10 kg bag of rice
Where the deployment cost really goes
At a real installation site, the robot is the cheap part — most spending goes to keeping the humans around it safe.
80%
Human-safety systems: fences & sensors
Why humanoids are hard to make safe
No safety fence
Unlike caged industrial robots, humanoids share the same space (HRI).
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Balance & contact risk
Falls, high-torque joints and pinch points can injure people nearby.
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Mitigations
Force limiting, compliance to absorb impact, fault-tolerant control, padding.
Part of the evolution
Some see mishaps as growing pains — sensors and electronic control can improve safety as gentler demos (snacks, handshakes, dancing) already show.
Active concern
Others warn about high-torque machines in public with no safety protocols — the footage exposed the limits of remote operation and pre-programmed routines.
Regulation · ISO 25785-1 (drafted May 2025)
New standards classify these as "industrial mobile robots with actively controlled stability" — pointedly avoiding the word "humanoid" — and set limits on speed, force and collision avoidance. 2026 looks set to be the year deployment and safety are questioned in tandem.
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