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相关概念视频

Three-Dimensional Force System01:30

Three-Dimensional Force System

In mechanical engineering, a three-dimensional force system is a system of forces acting in three dimensions, with forces applied along the x, y, and z coordinate axes. The three-dimensional force system is an important concept in mechanical engineering, as it allows engineers to understand and analyze the behavior of objects and structures in three dimensions. By understanding the forces acting on a system, engineers can design more efficient and effective mechanical systems that can withstand...
Three-Dimensional Force System:Problem Solving01:30

Three-Dimensional Force System:Problem Solving

A three-dimensional force system refers to a scenario in which three forces act simultaneously in three different directions. This type of problem is commonly encountered in physics and engineering, where it is necessary to calculate the resultant force on the system, which can then be used to predict or analyze the behavior of the object or structure under consideration.
To solve a three-dimensional force system, first resolve each force into its respective scalar components. Do this using...

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相关实验视频

Updated: May 14, 2026

Planar and Three-Dimensional Printing of Conductive Inks
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在现场像素级磁性编程3维打印,用于多模式软微型机器人,具有多功能.

Song Zhao1, Liwen Zhang1, Kuntao Tan1

  • 1School of Mechanical Engineering and Automation, Beihang University, Beijing, China.

Research (Washington, D.C.)
|July 23, 2025
PubMed
概括

研究人员使用像素级磁性编程开发了先进的3D打印磁性微机器人. 这些智能机器人提供精确的控制,用于在复杂的体内途径中定位药物输送.

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科学领域:

  • 生物医学工程 生物医学工程
  • 材料科学 材料科学 材料科学
  • 机器人技术 机器人技术 机器人技术

背景情况:

  • 磁性微机器人提供非接触的实时控制,用于在狭窄的生物通道中向药物输送.
  • 制造方法对于这些磁性机器人的功能和精度至关重要.

研究的目的:

  • 开发一种先进的3D打印技术,用于制造具有增强控制和功能的磁性微机器人.
  • 为智能机器人结构实现精确的按需磁性编程.

主要方法:

  • 使用光固化3D打印与现场像素尺度磁性编程.
  • 采用了一个3D均磁场发生器 (约. 50 mT) 用于旋转和对齐磁粒子.
  • 引入了关键节点拼接磁化方法用于多曲线变形和3D空间磁化用于定制设计.

主要成果:

  • 打印智能结构实现了50微米的空间分辨率.
  • 展示了各种运动模式 (滚动,爬行,游泳) 和基于补丁的药物释放.
  • 通过定制的螺旋囊机器人实现了精确的多方向游泳和多目标滴滴式药物输送.

结论:

  • 开发的3D打印技术使得创建多模式和多功能磁性微机器人成为可能.
  • 这些磁性执行器在像胃肠道和膀这样的封闭环境中显示了经过验证的体内性能.
  • 这项技术对先进的向药物输送应用具有重大潜力.