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Summary form only for tutorial. Robot Suit HAL (Hybrid Assistive Limb) is one of the realization/accomplishments of the Cybernoid Project. Cybernoids are the enhanced human-machine-information hybrid systems based on Cybernics technologies. Cybernics is a new academic research field which fused Information Technology (IT), cranial nerve science, behavioral science, robotics, system integration technology, physiology, psychology, MEMS-Technology, neuroscience, bio-system theory and so on, focusing on Cybernetics, Mechatronics, and Informatics. HAL is called as Robot suit or Bionic suit, and is the world first system to integrate Human-Machine-Information.
Yoshiyuki Sankai (Sun,) studied this question.