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Mechanical Systems01:22

Mechanical Systems

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Mechanical systems are analogous to to electrical networks where springs and masses play similar roles to inductors and capacitors, respectively. A viscous damper in mechanical systems functions similarly to a resistor in electrical networks, dissipating energy. The forces acting on a mass in such systems include an applied force in the direction of motion, counteracted by forces from the spring, a viscous damper, and the mass's acceleration. This interplay of forces is mathematically...
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Updated: Sep 19, 2025

Four-Dimensional Printing of Stimuli-Responsive Hydrogel-Based Soft Robots
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由4D打印的电响应执行器驱动的多功能无软机器.

Yuliang Xia1, Tong Mu1, Jianglong Guo2

  • 1Center for Composite Materials and Structures, Harbin Institute of Technology (HIT), No. 2 Yikuang Street, P.O. Box 3011, Harbin 150080, People's Republic of China.

ACS applied materials & interfaces
|June 6, 2025
PubMed
概括

本研究介绍了一种轻量级,快速,不受束的软机器人,使用4D打印的液晶弹性体 (LCE) 执行器. 这种创新的机器人可以在低电压下实现高性能,提供更高的自主性和更安全的交互.

关键词:
4D打印是一种4D打印.液晶弹性体执行器的执行器柔软的爬行 软的爬行软的抓住软的抓住无软机器人无软机器人

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科学领域:

  • 机器人技术 机器人技术 机器人技术
  • 材料科学 材料科学 材料科学
  • 软物质物理学 软物质物理学

背景情况:

  • 不绑定的机器人比绑定的系统提供了更大的自主权.
  • 需要多功能,轻量级,快速,低压软机器人,提高适应性和安全性.

研究的目的:

  • 通过将4D打印的液晶弹性体 (LCE) 执行器与电子设备集成,设计一个无软机器人.
  • 开发一个紧,轻量级和快速的LCE软机器人,具有可调节的特性和更好的性能.

主要方法:

  • 使用在聚胺加热膜和粘合剂之间嵌入的修改后的LCE人工肌肉执行器的制造.
  • 整合LCE执行器与相关电子设备,创建一个无软机器人.
  • 描述LCE执行器特性,包括可调节的过渡温度 (39-46°C) 和模量 (0.61-2.57 MPa),以及推进力 (13.7 MPa).

主要成果:

  • 开发了最轻 (9.87g) 和最快 (0.28体长/分钟) 的无电动LCE机器人.
  • 在可比的LCE机器人中实现了最低的运输成本 (CoT = 7).
  • 展示了机器人在具有挑战性的地形上抓取和跨越障碍物的能力.

结论:

  • 开发的LCE软机器人代表了无绳机器人系统的重大进步.
  • 机器人的独特特性,包括轻量化设计,速度和适应性,使其适合各种应用.
  • 这项工作突显了4D打印LCE执行器在创建下一代自主软机器人的潜力.