Exoskeleton

Powered skeletons may become a major force multipler in the near future.

Current Status

 * Sarcos/Rayhteon
 * Esko Electionics/Lockheed Martin HULC
 * Cyberdyne HAL 5

Engineering Challenges

 * power supply
 * strong but lightweight skeleton
 * strong but leightweight actuators
 * joint flexibility
 * power control and modulation
 * detection of unsafe motions.