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Docket #: S19-299

New 'Soft' Robot: Shape-Changing and Versatile

Researchers from Stanford and UC Santa Barbara have created a novel robot that blends traditional and soft robotics. This human-scale pneumatic robot can change shape and move independently once inflated, without needing a constant power or air source. Unlike conventional robots with heavy, energy-intensive linear actuators, this design is lightweight, flexible, and durable. Its structure consists of inflatable tubes forming a adaptable truss that can reshape by relocating its joints.

This innovation combines the strengths of soft, collective, and truss-based robots while addressing their individual limitations. The result is a robot that's safe around humans and versatile in various environments. It's particularly suited for space exploration and search-and-rescue missions, as it can compress for transport and expand when deployed. The robot's ability to change shape allows it to navigate difficult terrain effectively.
This development represents a significant step towards more practical and adaptable robots for real-world applications.

Video

Stage of Development
A human-scale 3D robot capable of punctuated rolling locomotion and manipulation has been demonstrated. Future developments will include enabling dynamic activities such as jumping.
Stanford News article

Applications

  • Space exploration
  • Search and Rescue
  • Education
  • Other complex tasks

Advantages

  • Robust and safe around humans
  • Operates untethered from external power/air source
  • Shape-changing and adaptable
  • Lightweight
  • Compresses to small size
  • Modular, can be manually reconfigured

Publications

  • Nathan S. Usevitch, Zachary M. Hammond, Mac Schwager, Allison M. Okamura, Elliot W. Hawkes, and Sean Follmer. An Untethered Isoperimetric Soft Robot Science Robotics 18 Mar 2020: Vol. 5, Issue 40 DOI: 10.1126/scirobotics.aaz0492

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