South Korean scientists show off brain controlled exoskeleton with five movements.
Earlier this month a robot exoskeleton developed by UCLA made headlines. The "Ekso" makes a paralyzed person walk again by stimulating leg muscles. South Korean researchers take an even more advanced approach to robotic exoskeletons.
Don't Miss: See the first leaked Black Friday 2016 Ad
Professor Lee Seong-whan and his team at Korea University developed a robot that can read the minds and understands movement commands.
The robot exoskeleton measures EEG signals via a brainwave interface and decodes them into motion. A year ago, a brain controlled exoskeleton kicked off the World Cup in Brazil. The South Korean brain controlled exoskeleton robot is much more advanced though.
In a Reuters video, Professor Lee Seong-whan says "The exoskeleton robot reads the brainwaves of the user and removes unnecessary external noise through the signal processing system. Then, the robot picks out and classifies the certain characteristics of the brainwaves. In this way, the exoskeleton robot is controlled by matching the classified brainwaves to the designated orders."
The brain controlled exoskeleton uses a visual feedback display consisting of five LEDs that represent different commands - turn left or right, walk forward, stand up, and sit down.
Each of these commands has a different frequency, so the corresponding LED light flickers when a signal is sent.
"When a user focuses on visual stimuli, the same frequency is generated in the occipital lobe of the user's brain. So, we can detect the user's intentions by reading his or her frequency," explains Professor Lee Seong-whan.
The control system collects the signals with the EEG cap through a wireless transmitter-receiver and converts them into system instructions to operate the exoskeleton.
Don't Miss: The Best HDR TVs
Brain interfaces are starting to become more and more practical. There are several solutions in research and development that can help disabled to regain capabilities.