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相关概念视频

Space Trusses01:25

Space Trusses

786
A space truss is a three-dimensional counterpart of a planar truss. These structures consist of members connected at their ends, often utilizing ball-and-socket joints to create a stable and versatile framework. The space truss is widely used in various construction projects due to its adaptability and capacity to withstand complex loads.
At the core of a space truss lies the fundamental unit known as the tetrahedron. This structure is composed of six members that form a three-dimensional shape...
786
Three-Dimensional Force System:Problem Solving01:30

Three-Dimensional Force System:Problem Solving

666
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...
666
Bending and Torsional Moments01:20

Bending and Torsional Moments

3.7K
Bending and torsional moments are two fundamental concepts in structural engineering. They play an important role in understanding the behavior of materials and structures under different loading conditions.
The reaction developed in a structural element when subjected to an external force causes the element to bend. When a structural element bends upwards, it creates compressive normal forces on the top and tensile normal forces on the bottom, resulting in a couple that determines the bending...
3.7K
Introduction to Structures01:30

Introduction to Structures

1.0K
A structure is defined as a system of interconnected members designed to support or transfer forces and successfully withstand the loads acting on them. The internal forces of a structure can be determined by decomposing the structure and analyzing the free-body diagrams of the individual members or of a combination of members. This helps in understanding the structural elements' behavior and ensuring that the structure is stable and can withstand the subjected loads.
There are three main...
1.0K
Space Trusses: Problem Solving01:29

Space Trusses: Problem Solving

586
A space truss is a three-dimensional counterpart of a planar truss. These structures consist of members connected at their ends, often utilizing ball-and-socket joints to create a stable and versatile framework. Due to its adaptability and capacity to withstand complex loads, the space truss is widely used in various construction projects.
Consider a tripod consisting of a tetrahedral space truss with a ball-and-socket joint at C. Suppose the height and lengths of the horizontal and vertical...
586
Torsion of Noncircular Members01:16

Torsion of Noncircular Members

135
Circular shafts undergoing torsional stress maintain their cross-sectional integrity due to their axisymmetric nature. This symmetry ensures an even distribution of stress, allowing the shaft to withstand torsion without distorting. In contrast, square bars, lacking this axial symmetry, experience significant distortion across their cross-sections when subjected to torsion, with the exception of along their diagonals and at lines connecting midpoints. A detailed examination of a cubic element...
135

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相关实验视频

Updated: Jun 29, 2025

Author Spotlight: Advancing Tendon Tissue Engineering with 3D Organoid Models
03:35

Author Spotlight: Advancing Tendon Tissue Engineering with 3D Organoid Models

Published on: June 21, 2024

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一个多式自行推进的位结构结构.

Changyue Liu1, Kai Li2, Xinzi Yu1

  • 1Key Laboratory of Aerospace Advanced Materials and Performance, Ministry of Education, School of Materials Science and Engineering, Beihang University, Beijing, 100191, China.

Advanced materials (Deerfield Beach, Fla.)
|April 2, 2024
PubMed
概括
此摘要是机器生成的。

这项研究介绍了一种混合紧张性结构 (HTS),可以在热面上自行行驶. 这种新的设计使先进的软机器人能够实现多式交通和模块化.

关键词:
混合的十分位结构结构.液晶弹性体的液晶弹性体.多种机车模式的机车.自动推进的运动.

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相关实验视频

Last Updated: Jun 29, 2025

Author Spotlight: Advancing Tendon Tissue Engineering with 3D Organoid Models
03:35

Author Spotlight: Advancing Tendon Tissue Engineering with 3D Organoid Models

Published on: June 21, 2024

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Method to Measure Tone of Axial and Proximal Muscle
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Origami Inspired Self-assembly of Patterned and Reconfigurable Particles
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Origami Inspired Self-assembly of Patterned and Reconfigurable Particles

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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
  • 机械工程 机械工程

背景情况:

  • 十面性结构提供了高的硬度与质量比率和可部署性.
  • 活式十分位设计对软机器人来说是有前途的,但在控制运动方面面临局限性.
  • 之前的自行驱动结构缺乏多式联运机动和易于重新配置.

研究的目的:

  • 开发一种能够实现自主移动的新型混合型张积结构 (HTS).
  • 为了实现基于十分位的机器人中的多式自行运动.
  • 为了创建一个可调节和重组的十分位机器人,用于多功能应用.

主要方法:

  • 构建了一种混合电压结构,将热响应和不响应的电缆与刚性杆相结合.
  • 利用结构的独特几何结构,在热面上实现连续的自我推进.
  • 使用Velcro带进行结构的模块化组装和重新组装.

主要成果:

  • 在没有外部功率控制的情况下,HTS在热面上展示了连续的自我推进.
  • 实现了多式联机机车辆模式的轻松实现,与以前的设计相比,这是一个显著的进步.
  • 成功创建了一个可调节和重组的HTS,增强了其实际效用.

结论:

  • 开发的HTS提出了自动驾驶机器人的新策略.
  • 该设计提供了一个大型设计空间,用于创建先进的,可适应的软机器人.
  • 这项工作克服了控制机动和可重新配置的局限性.