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Hotel for robots

31.12.2019

At the International Space Station, the American aerospace agency NASA plans to create a "robo-hotel" RiTS (Robotic Tool Stowage) for RELL devices (Robotic External Leak Locators).

According to the agency, the first visitors to the "hotel" will be two RELLs who will be used to search for oxygen leaks outside the station.

Robots will be in the "hotel" if they are not needed for work. There they will be protected from space threats: radiation, temperature differences and micrometeorites.

Such a "hotel" will make it easier to find RELLs and launch them for work.

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Developed by scientists from Harvard, the HAMR-JR microrobot is only 2,25 centimeters long and weighs about 0,3 grams - no more than a penny coin. It can move at about 14 body lengths per second, making it not only one of the smallest, but also one of the fastest microrobots. The new model is one of the most agile micro-robots to date.

One of the main questions discussed in the study was whether the manufacturing process used to build previous versions of the HAMR and other microrobots, including the RoboBee, could be used to build robots of varying scale, from tiny surgical robots to large-scale industrial robots.

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Zooming out changes some of the principles that govern things like stride length and joint stiffness, so the researchers also developed a model that can predict movement metrics like running speed, leg strength, and payload from a target. The model can then be used to design a system with the desired features.

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