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Graphene-Based Actuator with Integrated-Sensing Function

机译：具有集成感应功能的基于石墨烯的执行器

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摘要

Flexible actuators have important applications in artificial muscles, robotics, optical devices, and so on. However, most of the conventional actuators have only actuation function, lacking in real-time sensing signal feedbacks. Here, to break the limitation and add functionality in conventional actuators, a graphene-based actuator with integrated-sensing function is reported, which avoids the dependence on image post-processing for actuation detection and realizes real-time measurement of the shape-deformation amplitudes of the actuator. The actuator is able to show a large bending actuation (curvature of 1.1 cm(-1)) based on a dual-mode actuation mechanism when it is driven by near infrared light. Meanwhile, the relative resistance change of the actuator is -17.5%. The sensing function is attributed to piezoresistivity and thermoresistivity of the reduced graphene oxide and paper composite. This actuator can be used as a strain sensor to monitor human motions. A smart gripper based on the actuators demonstrates perfect integration of the actuating and sensing functions, which can not only grasp and release an object, but also sense every actuation state of the actuator. The developed integrated-sensing actuator is hopeful to open new application fields in soft robotics, artificial muscles, flexible wearable devices, and other integrated-multifunctional devices.
机译：柔性执行器在人造肌肉，机器人技术，光学设备等方面具有重要的应用。然而，大多数常规致动器仅具有致动功能，缺乏实时感测信号反馈。在这里，为了突破限制并增加传统执行器的功能，报道了一种具有集成传感功能的基于石墨烯的执行器，它避免了对图像后处理进行驱动检测的依赖，并实现了形状变形幅度的实时测量。执行器的当由近红外光驱动时，基于双模式致动机构，该致动器能够表现出较大的弯曲致动（曲率为1.1 cm（-1））。同时，致动器的相对电阻变化为-17.5％。感测功能归因于还原的氧化石墨烯和纸复合材料的压阻和热阻。该执行器可用作应变传感器以监视人体运动。基于致动器的智能抓手展示了致动和感应功能的完美结合，不仅可以抓握和释放物体，还可以感应致动器的每个致动状态。开发的集成传感执行器有望在软机器人，人造肌肉，柔性可穿戴设备以及其他集成多功能设备中打开新的应用领域。

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  • 来源
    《Advanced Functional Materials》 |2019年第5期|1806057.1-1806057.9|共9页
  • 作者

    Chen Luzhuo; Weng Mingcen; Zhou Peidi; Huang Feng; Liu Changhong; Fan Shoushan; Zhang Wei;

  • 作者单位

    Fujian Normal Univ, Coll Phys & Energy, Fujian Prov Key Lab Quantum Manipulat & New Energ, Fuzhou 350117, Fujian, Peoples R China|Fujian Prov Engn Technol Res Ctr Solar Energy Con, Fuzhou 350117, Fujian, Peoples R China|Fujian Prov Collaborat Innovat Ctr Optoelect Semi, Xiamen 361005, Peoples R China;

    Fujian Normal Univ, Coll Phys & Energy, Fujian Prov Key Lab Quantum Manipulat & New Energ, Fuzhou 350117, Fujian, Peoples R China|Fujian Prov Engn Technol Res Ctr Solar Energy Con, Fuzhou 350117, Fujian, Peoples R China|Fujian Prov Collaborat Innovat Ctr Optoelect Semi, Xiamen 361005, Peoples R China;

    Fujian Normal Univ, Coll Phys & Energy, Fujian Prov Key Lab Quantum Manipulat & New Energ, Fuzhou 350117, Fujian, Peoples R China|Fujian Prov Engn Technol Res Ctr Solar Energy Con, Fuzhou 350117, Fujian, Peoples R China|Fujian Prov Collaborat Innovat Ctr Optoelect Semi, Xiamen 361005, Peoples R China;

    Fujian Normal Univ, Coll Phys & Energy, Fujian Prov Key Lab Quantum Manipulat & New Energ, Fuzhou 350117, Fujian, Peoples R China|Fujian Prov Engn Technol Res Ctr Solar Energy Con, Fuzhou 350117, Fujian, Peoples R China|Fujian Prov Collaborat Innovat Ctr Optoelect Semi, Xiamen 361005, Peoples R China;

    Tsinghua Univ, Tsinghua Foxconn Nanotechnol Res Ctr, Beijing 100084, Peoples R China|Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China;

    Tsinghua Univ, Tsinghua Foxconn Nanotechnol Res Ctr, Beijing 100084, Peoples R China|Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China;

    Fujian Normal Univ, Coll Phys & Energy, Fujian Prov Key Lab Quantum Manipulat & New Energ, Fuzhou 350117, Fujian, Peoples R China|Fujian Prov Engn Technol Res Ctr Solar Energy Con, Fuzhou 350117, Fujian, Peoples R China|Fujian Prov Collaborat Innovat Ctr Optoelect Semi, Xiamen 361005, Peoples R China;

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  • 正文语种 eng
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  • 关键词

    actuators; graphene; integrated sensors; paper; sensing;

    机译：致动器;石墨烯;集成传感器;纸张;传感;

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