Industrial robots are typically locked behind cages for the sake of the safety of human workers. The introduction of small, force-limiting collaborative robots was a revolution in robotic technology as it allowed humans to work directly alongside a robot without the need for safety fencing. Now, as robotic technology has progressed, fenceless robots are taking on a number of different sizes and forms beyond the typically small and safe collaborative robot.

链接：https://www.robotics.org/blog-article.cfm/Fenceless-Robots-Take-on-New-Shapes-and-Forms/123