The Cheetah is doing all of this without any cameras or other visual on-board sensors, using what the team refers to as “blind locomotion,” essentially feeling its way up the stairs. So, why rob such a sophisticated robot of something as seemingly essential as computer vision?
“There are many unexpected behaviors the robot should be able to handle without relying too much on vision,” Kim says in a release tied to the announcement. “Vision can be noisy, slightly inaccurate, and sometimes not available, and if you rely too much on vision, your robot has to be very accurate in position and eventually will be slow. So we want the robot to rely more on tactile information. That way, it can handle unexpected obstacles while moving fast.”
https://techcrunch.com/2018/07/05/mits-cheetah-bot-walks-up-debris-littered-stairs-without-visual-sensors/
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