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Robots with body inspired by animals

Posted on: Dec, 19th 2011
Bird robot
There are a lot of robots that simulate the behavior and imitate the form, structure and movements of some animals. The engineers copy them because they know that the evolution had have millions of years to get solutions that gives the maximum performance with the minimum energy expenditure, so reproduce the nature allow us resolve problems that in otherwise hardly we could resolve.

The programming of the majority of these biomimetic robots is based more in the physics than in the artificial intelligence, so simply follow random or preset paths. Next you have some of the most interesting:

Starfish

Robot flexible con forma de estrella de mar de Harvard

This flexible rubber robot, made in Harvard, can circumvent obstacles, deform and reach places that other robots can't, although still have to replace the external source of energy to be independent. The movement is produced through the pumping and eviction of air in its interior.

Watch on Youtube

Serpent

Is surprising how the serpents can displace without legs, this is why is a good model to imitate because simplifies the pieces needed to do the robot, but opposite to the real serpents, these robots, instead of be made to eat mouses, are thought for the search and rescue of person in spaces of difficult access. In the following video you will see a serpent robot that have wheels, but these doesn't have traction, so the robot moves only with the movement of its body, that is formed by a series of identical and replaceable pieces.

Watch on Youtube

Dog

Robot Big Dog of Boston Dynamics

The Big Dog of Boston Dynamics can transport 170 kilos during 12 kilometers by irregular terrains. Its movements are thought to absorb the shocks and re-use the energy from one step to another, as a real dog can do. Has a vision system stereo, a gyroscope, sensors to the detect the ground, strength and position to that the system control can keep it in balance.

Watch on Youtube

Gecko

Stanford gecko robot

Hairs of a gecko foot

The University of Stanford have created a robot inspired in the foot of the gecko, which have a series of very fine hairs (only a few hundreds of nanometers), that makes that its molecules join to the wall, so is practically as the foot of the gecko become the wall, that allows go up by vertical and smooth surfaces. Also, can detach from the wall easily because these hair only adhere to the surface if they rest in a determinate direction. The robot has a seemed hairs, made of a polymer of 20 micrometers (5 times more little than a human hair).

Watch on Youtube

Water spider or mosquito

water spider robot

The robot can walk, rise and jump over the water without get wet.




Dragon-fly

dragon fly robot

Created with a 3D printer, this robotic dragon-fly allows study how fly these insects. Until recently wasn't possible do robots of this kind due to the weight of the batteries, but the advances in these, have allowed do it each time more small and lasting.

Watch on Youtube

At last, we have seagull robots, penguin, stingray, fish and jellyfish make it by the enterprise Festo, with very light materials that imitate its aerodynamics and its movements, giving to those robots a great freedom of action both in water and in the air.

Robots inspired in the nature - Festo

Watch on Youtube

Watch on Youtube

Watch on Youtube

Watch on Youtube

Watch on Youtube

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