Robotic metamorphic cycle.

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Presentation transcript:

Robotic metamorphic cycle. Robotic metamorphic cycle. Starting as Primer at the top, the system morphs into the 1st-shape Walk-bot, as shown on the right. Walk-bot can subsequently transform into the 2nd-shape by integrating a self-folding exoskeleton. We demonstrate four capabilities—scaling up (Scaled Walk-bot), sailing (Boat-bot), rolling (Wheel-bot), and gliding (Glider-bot)—that can only be achieved by equipping exoskeletons, but other capabilities are also possible. The 2nd-shape can recover the morphologies of earlier stages by removing (“molting”) the exoskeleton. The disassembly process of the second exoskeleton transforming to Walk-bot can be performed by dissolving the holding arms in water. The disassembly process of Walk-bot, which is beyond the scope of this study, can be performed by making the body of Walk-bot dissolvable to a specific solvent. We demonstrated this process with polyester-made origami robots that could dissolve relevant body parts after submersion in the solvent (29). Shuhei Miyashita et al. Sci. Robotics 2017;2:eaao4369 Copyright © 2017 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works