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相关概念视频

Electro-mechanical Systems01:19

Electro-mechanical Systems

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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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One-Degree-of-Freedom System01:24

One-Degree-of-Freedom System

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In mechanical engineering, one-degree-of-freedom systems form the basis of a wide range of electrical and mechanical components. Using these models, engineers can predict the behavior of various parts in a larger system, which gives them insight into how different forces interact with each other.
A one-degree-of-freedom system is defined by an independent variable that determines its state and behavior. One example of a one-degree-of-freedom system is a simple harmonic oscillator, such as a...
487
Mechanical Systems01:22

Mechanical Systems

191
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...
191
Open and closed-loop control systems01:17

Open and closed-loop control systems

727
Control systems are foundational elements in automation and engineering. They are broadly categorized into open-loop and closed-loop systems. These classifications hinge on the presence or absence of feedback mechanisms, significantly influencing the system's performance, complexity, and application.
An open-loop control system operates without feedback from the output. It consists of two primary elements: the controller and the controlled process. The controller receives an input signal...
727
Three-Dimensional Force System:Problem Solving01:30

Three-Dimensional Force System:Problem Solving

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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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Three-Dimensional Force System01:30

Three-Dimensional Force System

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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...
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相关实验视频

Updated: Jun 27, 2025

Design and Fabrication of an Elastomeric Unit for Soft Modular Robots in Minimally Invasive Surgery
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模块化的多自由度软原木机器人,具有可重新编程的电热驱动.

Shuang Wu1, Tuo Zhao2, Yong Zhu1

  • 1Department of Mechanical and Aerospace Engineering, North Carolina State University, Raleigh, NC 27695.

Proceedings of the National Academy of Sciences of the United States of America
|May 6, 2024
PubMed
概括

这项研究介绍了一个模块化的软机器人,灵感来自虫,使用克雷斯林原木单元进行精确的转向和移动. 这种设计可以实现高级功能,如货物操纵和可适应的机器人生长.

关键词:
这是一个Kresling图案.电热驱动的电热驱动方式奥里加米是指原始的软机器人的软机器人

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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
  • 生物模拟学是一种生物模拟学.

背景情况:

  • 软机器人模仿自然机动,但方向盘控制仍然是一个挑战.
  • 毛虫的运动,特别是爬行和爬行,激发了许多软机器人设计.
  • 模块化设计有可能提高软机器人的功能和适应性.

研究的目的:

  • 开发一个模块化软机器人,能够控制方向盘和灵感来自毛虫的机 locomotion.
  • 为了研究使用克雷斯林原木单元作为细分软机器人的构建块.
  • 为了实现高级机器人功能的精确曲率控制.

主要方法:

  • 设计和制造了一个紧,轻量级的克雷斯林原木结构.
  • 集成电热双形执行器使用液晶弹性体和聚胺.
  • 开发了一种多单元软机器人,具有动作和转向的主动和被动模块.
  • 展示了货物提取和组装以实现方向功能.

主要成果:

  • 成功创建了一个模块化的克雷斯林原木软机器人,具有电热驱动.
  • 通过模块化和可重新编程的执行实现了双向机动和精确的方向控制.
  • 展示了一种功能性原型,能够起货物并组装用于转向.
  • 验证了克雷斯林的原木单元作为虫灵感机器人的有效构建块.

结论:

  • 模块化克雷斯林原木单元为虫灵感的软机器人设计提供了一种可行的方法.
  • 开发的机器人表现出精确的方向盘和机动能力.
  • 这种模块化概念为未来的软机器人提供了增长,维修和增强功能的途径.