Humanoid safety risks draw scrutiny as robots get heavier

Humanoid safety is getting sharper attention as biped robots appear in more public demos and early workplace trials, according to a July 4 report from the Wall Street Journal. At a Chicago convention center in June, humanoid robots delivered snacks, shook hands and danced, including a humanoid from China’s Unitree shown at a robotics conference.

The WSJ report frames the central concern plainly: larger humanoids are now approaching 200 pounds, and a loss of power or balance can create a different risk profile than a fixed industrial arm or a wheeled robot. Makers of humanoids told the Journal they were not aware of anyone being seriously hurt or killed by one of the machines, but recent viral mishaps, including a robot dancing uncontrollably at a restaurant and another kicking a small child during a performance in China, have put the issue in public view.

“If you do that with a humanoid, it can fall over and crush you,”Michele Silva, Reynolds & Moore

Silva, from functional safety engineering firm Reynolds & Moore, was referring to the hazard created when a full size biped loses power. For operators, the practical issue is not whether humanoids can be made to perform choreographed public tasks. It is whether their electronics, sensors and mechanical design can reliably prevent or mitigate contact events in factories, warehouses and eventually homes.

Early deployments still rely on separation

The Journal cites Agility as one example of how cautiously the sector is entering production environments. The Oregon based company’s robots are already working inside a Plexiglas cage at an auto parts factory, a physical separation approach that is familiar to industrial automation teams even if the robot form factor is new.

Agility also recently announced plans to go public at a valuation of $2.5 billion, according to the report. That fundraising context is part of the pressure behind the safety discussion. Investors are underwriting aggressive growth expectations, while plant operators still need credible answers on fall behavior, emergency stops, sensing redundancy and safe interaction around people.

The Morgan Stanley projection cited by the Journal, one billion humanoids in place worldwide by 2050 and a $7.5 trillion market, remains a forecast rather than operating reality. The nearer term test is narrower and more concrete: whether humanoid makers can demonstrate safety cases strong enough for uncaged work near people, not just controlled demos on a trade show floor.

Source: wsj.com