Posted by on October 30, 2017 12:06 pm
Categories: sourrce


Robots that behave and feel similar to humans are becoming a reality. They are made up of musculoskeletal hardware that imitates the  and neural control software that simulates parts of the brain. However, producing them in series in a viable manner is difficult.

Now, scientists have created a low-cost robot that can be easily reproduced. “This is possible because its modular design permits relatively efficient mass production,” says Christoph Richter, lecturer at the department of Electrical and Computer Engineering of the Technical University of Munich (Germany).

In order to imitate the muscles and articulations of the human arm and give the robot increased mobility, the scientists have used the Myorobotics system. Nine muscles formed of mechatronic devices are coordinated to control spherical articulation. One of these, linked to the biceps, is joined to two articulations connecting the shoulder to the elbow.

The next step is to design an artificial cerebellum to control the orders from the locomotor system. “The neuronal structure of the cerebellum is relatively simple and uniform. We reproduce the most important neurons, their connectivity and – importantly – their adaptation and learning in our real-time simulation,” states Richter.

To copy their behaviour, the researchers selected a neuromorphic computer platform called SpiNNaker developed at the University of Manchester (United Kingdom). Its performance is far superior to a desktop computer: A single chip can manage a network of 10,000 neurons in real time. Thousands of chips can be interconnected to simulate sizeable, brain-scale neuronal networks.

The prototype learns to move in a controlled manner, “including the timing and control of posture,” says Richter. Its advantages include its elasticity and that it can be controlled, an important aspect in the human- interaction.

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