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Advanced Engineering 2019

NEC, Birmingham(B40 1NT)

30/10/2019 - 31/10/2019

The UK's largest annual advanced manufacturing trade show, Advanced Engineering is your opportunity to (more)

Smart Factory Expo

Exhibition Centre Liverpool (L3 4FP)

13/11/2019 - 14/11/2019

Europe's best digital manufacturing show: bigger and better for 2019 Built around eight tech-focused (more)

BionicKangaroo - Energy-efficient jump kinematics based on a natural model

BionicKangaroo - Energy-efficient jump kinematics based on a natural model
The Festo Bionic Learning Network will once again provide new impetus for the automation technology of tomorrow at Hannover Fair in Germany. With the BionicKangaroo, Festo demonstrates how principles taken from nature can inspire unique solutions for the future of the automation sector - combining pneumatic and electric drive technology in a highly dynamic system.

A development team from Festo's Bionic Learning Network spent two years recreating the jumping behaviour of the natural kangaroo as closely as possible and learning from it. The BionicKangaroo shows exactly what distinguishes the natural kangaroo, namely recovering and storing energy and retrieving it on the next jump. The Achilles tendon assumes an important function here, which is why it is particularly pronounced on the natural kangaroo. 

The function of the natural Achilles tendon is carried out with the help of an elastic band made of rubber. It is fastened at the back of the foot and parallel to a pneumatic cylinder on the knee joint. The artificial tendon cushions the jump, simultaneously absorbs the kinetic energy and releases it for the next jump.

The condition monitoring as well as the precise control technology ensure the required stability when jumping and landing. The kangaroo achieves its high jumping power with the aid of pneumatics. In the places where the highest positioning accuracy is called for, electric motors are used - for example, when it comes to controlling the tail and hip. The artificial kangaroo demonstrates how pneumatic and electric drive technology can be combined, by means of a new control technique developed by Festo, to make a highly dynamic system.

Festo paid particular attention to the mobile energy supply on the artificial kangaroo. For this purpose, the team even developed two different concepts - one with an integrated compressor and one with a mobile high-pressure storage device. The movement apparatus (kinematics) is made out of laser-sintered parts reinforced with carbon. As a result, the artificial animal weighs just seven kilograms with a height of around one metre, and it can jump up to 40 centimetres high and up to a distance of 80 centimetres. The BionicKangaroo is controlled using gestures.
 

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