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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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    Cited by:

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    3. Zemin Liu & Meng Li & Xiaoguang Dong & Ziyu Ren & Wenqi Hu & Metin Sitti, 2022. "Creating three-dimensional magnetic functional microdevices via molding-integrated direct laser writing," Nature Communications, Nature, vol. 13(1), pages 1-11, December.
    4. Zhou Hu & Zhibo Wei & Kun Wang & Yan Chen & Rui Zhu & Guoliang Huang & Gengkai Hu, 2023. "Engineering zero modes in transformable mechanical metamaterials," Nature Communications, Nature, vol. 14(1), pages 1-9, December.
    5. Xin Yang & Zhihe Zhang & Mengwei Xu & Shuxun Li & Yuanhong Zhang & Xue-Feng Zhu & Xiaoping Ouyang & Andrea Alù, 2024. "Digital non-Foster-inspired electronics for broadband impedance matching," Nature Communications, Nature, vol. 15(1), pages 1-9, December.
    6. Xinchen Ni & Haiwen Luan & Jin-Tae Kim & Sam I. Rogge & Yun Bai & Jean Won Kwak & Shangliangzi Liu & Da Som Yang & Shuo Li & Shupeng Li & Zhengwei Li & Yamin Zhang & Changsheng Wu & Xiaoyue Ni & Yongg, 2022. "Soft shape-programmable surfaces by fast electromagnetic actuation of liquid metal networks," Nature Communications, Nature, vol. 13(1), pages 1-9, December.
    7. Wenzhong Yan & Shuguang Li & Mauricio Deguchi & Zhaoliang Zheng & Daniela Rus & Ankur Mehta, 2023. "Origami-based integration of robots that sense, decide, and respond," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    8. Tie Mei & Chang Qing Chen, 2023. "In-memory mechanical computing," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    9. Yaohui Wang & Haitao Ye & Jian He & Qi Ge & Yi Xiong, 2024. "Electrothermally controlled origami fabricated by 4D printing of continuous fiber-reinforced composites," Nature Communications, Nature, vol. 15(1), pages 1-13, December.
    10. Neng Xia & Dongdong Jin & Chengfeng Pan & Jiachen Zhang & Zhengxin Yang & Lin Su & Jinsheng Zhao & Liu Wang & Li Zhang, 2022. "Dynamic morphological transformations in soft architected materials via buckling instability encoded heterogeneous magnetization," Nature Communications, Nature, vol. 13(1), pages 1-15, December.
    11. 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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