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A mechanical metamaterial with reprogrammable logical functions

Author

Listed:
  • Tie Mei

    (Tsinghua University)

  • Zhiqiang Meng

    (Tsinghua University)

  • Kejie Zhao

    (Purdue University)

  • Chang Qing Chen

    (Tsinghua University)

Abstract

Embedding mechanical logic into soft robotics, microelectromechanical systems (MEMS), and robotic materials can greatly improve their functional capacity. However, such logical functions are usually pre-programmed and can hardly be altered during in-life service, limiting their applications under varying working conditions. Here, we propose a reprogrammable mechanological metamaterial (ReMM). Logical computing is achieved by imposing sequential excitations. The system can be initialized and reprogrammed via selectively imposing and releasing the excitations. Realization of universal combinatorial logic and sequential logic (memory) is demonstrated experimentally and numerically. The fabrication scalability of the system is also discussed. We expect the ReMM can serve as a platform for constructing reusable and multifunctional mechanical systems with strong computation and information processing capability.

Suggested Citation

  • Tie Mei & Zhiqiang Meng & Kejie Zhao & Chang Qing Chen, 2021. "A mechanical metamaterial with reprogrammable logical functions," Nature Communications, Nature, vol. 12(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-27608-7
    DOI: 10.1038/s41467-021-27608-7
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    References listed on IDEAS

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    Cited by:

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    8. Xinyu Hu & Ting Tan & Benlong Wang & Zhimiao Yan, 2023. "A reprogrammable mechanical metamaterial with origami functional-group transformation and ring reconfiguration," Nature Communications, Nature, vol. 14(1), pages 1-13, December.

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