Now robots are able to go up and down stairs, and without visual support

This robot is capable of not only going up and down stairs without any visual support, but also going through any unfamiliar terrain.

Most of the robots that are being manufactured today are aimed at rescue and exploration tasks, and have different cameras as a vision that allow them to read the terrain so as not to commit a false step.

However, these camera sensors are very sensitive, and a small bump or accident could render them totally inoperative, making the robot no longer able to unwrap itself.

That is why now researchers from the Oregon State University They have made a bipedal robot without visual support able to go up and down stairs. This robot, by name Cassie from Agility Robotics, have previously trained you in a virtual simulator.

To achieve their goal, the researchers used a technique called “real simulation reinforcement learning”To establish how the robot will walk. First they did the hit-and-miss phase under a simulator so as not to spoil the robot, and then they virtually taught the robot how to handle a number of situations, including climbing stairs or all kinds of terrain.

When the robot passed the simulated training They took him around the university campus to go up and down stairs and different types of terrain. After testing, it was able to successfully navigate even curbs, logs and uneven terrain.

However, on the stairs the researchers did 10 trials going up and another 10 trials going down the stairs, with 80% and 100% efficiency, respectively.

One of the main difficulties faced by the research team was when the robot was going too fast or too slow, which made him fail in this type of operation of going up and down stairs or on the ground.

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