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相关概念视频

Mechanical Systems01:22

Mechanical Systems

580
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...
580
Electro-mechanical Systems01:19

Electro-mechanical Systems

1.6K
Electromechanical systems are intricate configurations that effectively combine electrical and mechanical elements to achieve a desired outcome. Central to many of these systems is the DC motor, a device that converts electrical energy into mechanical motion, enabling various applications ranging from simple fans to complex robotic mechanisms.
A key component of the DC motor is the armature, a rotating circuit positioned within a magnetic field. As an electric current passes through the...
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相关实验视频

Updated: Jan 15, 2026

Origami Inspired Self-assembly of Patterned and Reconfigurable Particles
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灵感来自于Origami的可重新编程微型执行器系统.

Vincent Gottwald1, Lena Seigner1, Makoto Ohtsuka2

  • 1Institute of Microstructure Technology, Karlsruhe Institute of Technology, Karlsruhe, Germany.

Microsystems & nanoengineering
|October 9, 2025
PubMed
概括
此摘要是机器生成的。

这项研究介绍了一种使用形状记忆合金进行可编程原木式折叠的新型微执行器系统. 该系统能够精确控制微型结构,允许它们在像金字塔和桌子这样的复杂形状之间进行转换.

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科学领域:

  • 微机器人学和微机械学
  • 材料科学与工程 材料科学与工程
  • 软机器人软机器人 软机器人软机器人

背景情况:

  • 传统的微型执行器往往缺乏可重编程性和复杂的运动能力.
  • 原木原理提供了一个可扩展的方法,可以在微观尺度上创建复杂的可部署结构.
  • 将磁锁与形状记忆合金相结合,为先进的微操作提供了机会.

研究的目的:

  • 开发一个可重编程的微驱动器系统,用于控制微尺寸的双向折叠.
  • 整合磁性锁定功能,以增强结构控制和操纵.
  • 通过朱尔加热来实现热力学和热磁性质的选择性控制.

主要方法:

  • 使用对抗形状记忆合金 (SMA) 微型执行器进行精确的折叠控制.
  • 集成软磁与低铁磁过渡温度用于磁.
  • 采用基于模型的设计,考虑合的热力学和热磁性质.
  • 开发适合各种材料要求的微型制造工艺.
  • 实施SMA微执行器的局部形状设置程序来定义内存形状.

主要成果:

  • 一个能够进行双向折叠的可重编程系统的演示,其角度范围为±100°.
  • 成功地将一个微尺度示范器 (四个三角,边长500微米) 编程成金字塔形状.
  • 重编程能力显示为自动解锁,展开,并重新配置成表形状.
  • 通过对合的SMA和磁性子系统进行焦勒加热来验证选择性控制.

结论:

  • 本次展示的微执行器系统为可编程微尺度原始设计提供了一个多功能平台.
  • 集成的SMAs和磁锁提供了对微结构的强有力的控制.
  • 开发的微型制造和造型技术对于实现功能性微型设备至关重要.