Here is a transforming robot that changes the shape of its waist and distributions of its legs to mimic various animals. The Metamorphic Walking Robot imitates locomotion of mammals, insects, reptiles, and other creatures. More importantly, it can adapt to rough terrain.
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Metamorphic Walking Robot
The above video shows how this robot can transform from one mode to another by changing the shape of its structure. Xinsheng Zhang has more info on it here.
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