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“Blind” Cheetah 3 Robot can climb Stairs littered with Obstacles

3,775 views · Published 5 July 2018 · 1:37 · Indexed 12 November 2026

Channel: Rajamanickam Antonimuthu · 2018 · Science & Technology

MIT’s Cheetah 3 robot can now leap and gallop across rough terrain, climb a staircase littered with debris, and quickly recover its balance when suddenly yanked or shoved, all while essentially blind.

The 90-pound mechanical beast — about the size of a full-grown Labrador — is intentionally designed to do all this without relying on cameras or any external environmental sensors. Instead, it nimbly “feels” its way through its surroundings in a way that engineers describe as “blind locomotion,” much like making one’s way across a pitch-black room.

"There are many unexpected behaviors the robot should be able to handle without relying too much on vision"  says the robot’s designer.

Vision can be noisy, slightly inaccurate, and sometimes not available, and if the robot rely too much on vision, it has to be very accurate in position and eventually will be slow. So the MIT researchers want the robot to rely more on tactile information. That way, it can handle unexpected obstacles while moving fast.

Cheetah 3 is designed to do versatile tasks such as power plant inspection, which involves various terrain conditions including stairs, curbs, and obstacles on the ground.

The Cheetah 3 can blindly make its way up staircases and through unstructured terrain, and can quickly recover its balance in the face of unexpected forces.

Video Source: MIT
News Source:  http://news.mit.edu/2018/blind-cheetah-robot-climb-stairs-obstacles-disaster-zones-0705
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“Blind” Cheetah 3 Robot can climb Stairs littered with Obstacles

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