It is not a famous football star who is responsible for kick-off at the opening ceremony of this year's World Cup, but a paralyzed teenager from Brazil. What kind of technology is used to kick the ball? His ability to act comes from an "exoskeleton" robotic system developed by scientists from many countries. It can help the leader to stand and walk according to the signals of the human brain.
How to operate?
The brain sends out electrical signals to control device action
On the football field, the electrical signals from the brains of this high-profile teenager are wirelessly transmitted to a laptop-sized computer device in the backpack and converted into digital action instructions that allow the “exoskeleton†to stabilize first. Live the player's body, then induce the mechanical legs on the flat lawn, coordinately doing back and forth movement. When the player finds that the foot is close to the football, imagine imagining to kick it with his foot. After 300 milliseconds, the brain signal will command the mechanical foot on the "exoskeleton" to kick the ball up and throw it up in a Brazilian style.
This very windy, futuristic mechanical "exoskeleton" was developed by Duke University neuroscientist Miguel Nikorelis and Gordon Chen of the Technical University of Munich, Germany. According to Nikolailis, the opening ceremony of the World Cup will be a milestone in the field of scientific research in Brazil. In the traditional sense, paraplegic patients need to rely on complex sensors, gyroscopes and hydraulic transmission systems if they want to perform actions.
It is understood that this "exoskeleton" named "bra-santosdumont" is a research result of the "re-walking plan" of the non-profit international cooperation project. The motorized metal support structure can be used to support the teenager's thigh while helping his thighs bend.
The team also installed a series of sensors for the exoskeleton that are responsible for feeding back information such as touch, temperature and strength to the wearer. This feedback is done with a display or a vibrating motor. According to Nikolailis, in an interview with the French media, “The 'exoskeleton' is controlled by brain activity and feedback to the wearer for the first time. We are conducting a live demonstration at a stadium, which is in robotics research. The field is rare."
In Nikorelis' view, deaf people can even use this exoskeleton as part of the body as a daily routine, thus eventually abandoning the wheelchair.
When can I use it?
It will take at least one or two decades to be fully operational.
For this research, the two scientists have spent 30 years, during which more than 200 scientific papers have been published and numerous clinical trials have been conducted.
Since arriving at the Rehabilitation Laboratory in São Paulo in March this year, Nikolailis and his research team have rarely left the lab to complete the final preparations. The team tested the exoskeleton on nine deaf people and tested and rehearsed the system. In the end, one of the patients was singled out and served as the World Cup kick-off.
On April 24th, they ushered in an important moment when a deaf patient walked with the help of an "exoskeleton".
In fact, just a week ago, at the playground in Berkeley, two other 20-year-old paraplegic youths had already played football with this system. Professor Cazeloni of the University of California at Berkeley will compare the movements of Brazilian youth with the videos of the two and then continue to improve the "exoskeleton" robot system.
Because the system is too expensive, it is difficult for paraplegic patients to bear the cost. Professor Nikolailis said that their goal is to provide patients with a low-cost equipment that everyone can afford. However, it should be pointed out that the current "exoskeleton" technology is still in its early stages. If it is mature, it will be fully operational, at least for another 20 or 20 years.
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