Back in April, Stanford University professor Oussama Khatib led a team of researchers on an underwater archaeological expedition, 30 kilometers off the southern coast of France, to La Lune, King Louis XIV’s sunken 17th-century flagship. Rather than dive to the site of the wreck 100 meters below the surface, which is a very bad idea for almost everyone, Khatib’s team brought along a custom-made humanoid submarine robot called Ocean One.
In this month’s issue of IEEE Robotics and Automation Magazine, the Stanford researchers describe in detail how they designed and built the robot, a hybrid between a humanoid and an underwater remotely operated vehicle (ROV), and also how they managed to send it down to the resting place of La Lune, where it used its three-fingered hands to retrieve a vase.
Most ocean-ready ROVs are boxy little submarines that might have an arm on them if you’re lucky, but they’re not really designed for the kind of fine manipulation that underwater archaeology demands. You could send down a human diver instead, but once you get past about 40 meters, things start to get both complicated and dangerous. Ocean One’s humanoid design means that it’s easy and intuitive for a human to remotely perform delicate archeological tasks through a telepresence interface.
It’s an impressive and unique project (the full article is on IEEE Xplore) that demonstrates the possibilities of human-robot collaboration, and we agree with RAM editor-in-chief Bram Vanderborght when he says he’s “convinced that the complementary strengths of both humans and robots combined is the winning solution instead of simple human replacement.” We also agree with Bram that “the photos alone are brilliant,” so we teamed up with RAM to showcase some of them for you in the slideshow below. This is the beginning of a closer Spectrum-RAM collaboration so expect more slideshows, sneak peeks, and Q&As with authors next year. Enjoy!
Erico Guizzo is the digital product manager at IEEE Spectrum. An IEEE Member, he is an electrical engineer by training and has a master’s degree in science writing from MIT.