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Engineering - Mechanical Engineering | Innovative Hand Exoskeleton Design for Extravehicular Activities in Space

Innovative Hand Exoskeleton Design for Extravehicular Activities in Space

Freni, P., Botta, E.M., Randazzo, L., Ariano, P.

2014, XII, 89 p. 46 illus., 2 illus. in color.

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  • About this book

  • Proposes a novel approach to the development of hand exoskeletons
  • Presents a detailed comparison between hard robotics and soft robotics actuation/sensing systems
  • Describes the concept for implementation of a new actuator, based on smart materials
Environmental conditions and pressurized spacesuits expose astronauts to problems of fatigue during lengthy extravehicular activities, with adverse impacts especially on the dexterity, force and endurance of the hands and arms. A state-of-the-art exploration in the field of hand exoskeletons revealed that available products are unsuitable for space applications because of their bulkiness and mass. This book proposes a novel approach to the development of hand exoskeletons, based on an innovative soft robotics concept that relies on the exploitation of electroactive polymers operating as sensors and actuators, on a combination of electromyography and mechanomyography for detection of the user’s will and on neural networks for control. The result is a design that should enhance astronauts’ performance during extravehicular activities. In summary, the advantages of the described approach are a low-weight, high-flexibility exoskeleton that allows for dexterity and compliance with the user’s will.

Content Level » Research

Keywords » Combined EMG MMG - Dielectric Elastomers - Electroactive Polymers - Extra-Vehicular Activities - Hand Exoskeleton - Smart Materials - Soft Robotics

Related subjects » Biomedical Engineering - Mechanical Engineering - Robotics - Special types of Materials

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