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Multigait soft robot.


ABSTRACT: This manuscript describes a unique class of locomotive robot: A soft robot, composed exclusively of soft materials (elastomeric polymers), which is inspired by animals (e.g., squid, starfish, worms) that do not have hard internal skeletons. Soft lithography was used to fabricate a pneumatically actuated robot capable of sophisticated locomotion (e.g., fluid movement of limbs and multiple gaits). This robot is quadrupedal; it uses no sensors, only five actuators, and a simple pneumatic valving system that operates at low pressures (< 10 psi). A combination of crawling and undulation gaits allowed this robot to navigate a difficult obstacle. This demonstration illustrates an advantage of soft robotics: They are systems in which simple types of actuation produce complex motion.

SUBMITTER: Shepherd RF 

PROVIDER: S-EPMC3251082 | biostudies-other | 2011 Dec

REPOSITORIES: biostudies-other

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Multigait soft robot.

Shepherd Robert F RF   Ilievski Filip F   Choi Wonjae W   Morin Stephen A SA   Stokes Adam A AA   Mazzeo Aaron D AD   Chen Xin X   Wang Michael M   Whitesides George M GM  

Proceedings of the National Academy of Sciences of the United States of America 20111128 51


This manuscript describes a unique class of locomotive robot: A soft robot, composed exclusively of soft materials (elastomeric polymers), which is inspired by animals (e.g., squid, starfish, worms) that do not have hard internal skeletons. Soft lithography was used to fabricate a pneumatically actuated robot capable of sophisticated locomotion (e.g., fluid movement of limbs and multiple gaits). This robot is quadrupedal; it uses no sensors, only five actuators, and a simple pneumatic valving sy  ...[more]

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