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相关概念视频

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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Plastic Deformation in Circular Shafts01:20

Plastic Deformation in Circular Shafts

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When materials are subjected to forces that surpass their yield strength, they undergo a process known as plastic deformation. This results in a permanent alteration or strain in their structure. This concept can be specifically applied to circular shafts, where the deformation leads to a change in its shape. The precise evaluation of this plastic deformation requires understanding the stress distribution within the circular shaft, which is achieved by calculating the maximum shearing stress in...
431
Bending of Material: Problem Solving01:09

Bending of Material: Problem Solving

479
In this lesson, determine the ratio of the maximum bending moments applied to two metal pipes, given that both pipes can withstand a maximum stress of 100 MPa. Both pipes have an outer radius of 1.8 cm. Pipe A has an inner radius of 1.5 cm, and Pipe B has an inner radius of 1 cm. The ratio of the maximum bending moment applied to two metallic pipes, each with a different inner and outer radius, is determined by considering their dimensions. The inner radius of the first pipe is 1.5 cm, and for...
479
Two-Dimensional Force System: Problem Solving01:29

Two-Dimensional Force System: Problem Solving

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Solving problems related to two-dimensional force systems is an essential aspect of mechanics and engineering. By applying the principles of vector analysis and force equilibrium, one can determine the effect of multiple forces acting on an object in a two-dimensional space.
The first step to solving a two-dimensional force system problem is to draw a free-body diagram of the object under consideration. This diagram helps identify all the external forces acting on the object, including their...
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Virtual Work for a System of Connected Rigid Bodies01:06

Virtual Work for a System of Connected Rigid Bodies

711
Virtual work is a powerful method used to solve problems involving several connected rigid bodies. When the system is in equilibrium, virtual work is zero. This allows the calculation of the resulting forces when a system undergoes a virtual displacement. When attempting to analyze such a system, first, use a free-body diagram, where an independent coordinate represents the configuration of the links, and mark its deflected position resulting from the positive virtual displacement.
Next,...
711
Bending of Curved Members - Neutral Surface01:16

Bending of Curved Members - Neutral Surface

471
In curved beams, unlike straight beams, the stress distribution across the cross-section is not uniform due to the beam's curvature. This non-uniformity arises because the neutral axis, where stress is zero, does not align with the centroid of the section. In a curved beam, the strain varies along the section as a function of the distance from the neutral axis.
Consider the curved member described in the previous lesson. According to Hooke's law, which relates stress to strain within the...
471

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相关实验视频

Updated: Jan 10, 2026

Design and Fabrication of an Elastomeric Unit for Soft Modular Robots in Minimally Invasive Surgery
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Design and Fabrication of an Elastomeric Unit for Soft Modular Robots in Minimally Invasive Surgery

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一种基于机器人表面的函数近似的形状控制和对象操纵技术.

Yuchen Zhao1,2, Yuxin Chen1,2

  • 1School of Automation, Southeast University, Nanjing, Jiangsu, China.

Frontiers in robotics and AI
|November 21, 2025
PubMed
概括
此摘要是机器生成的。

我们开发了一种用于机器人表面的新型分布式控制方法,确保不论执行器数量如何,都能持续更新时间. 这种方法提高了效率,并使物体运输等任务的精确形状控制成为可能.

关键词:
蜂式机器人 蜂式机器人分布式机器人系统 分布式机器人系统对象操纵,对象操纵,对象操纵.引脚阵列 引脚阵列 引脚阵列刷新时间缩放缩放.机器人表面上的机器人表面.

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Rod-based Fabrication of Customizable Soft Robotic Pneumatic Gripper Devices for Delicate Tissue Manipulation
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相关实验视频

Last Updated: Jan 10, 2026

Design and Fabrication of an Elastomeric Unit for Soft Modular Robots in Minimally Invasive Surgery
11:06

Design and Fabrication of an Elastomeric Unit for Soft Modular Robots in Minimally Invasive Surgery

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Manufacturing, Control, and Performance Evaluation of a Gecko-Inspired Soft Robot
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Rod-based Fabrication of Customizable Soft Robotic Pneumatic Gripper Devices for Delicate Tissue Manipulation
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科学领域:

  • 机器人和控制系统 机器人和控制系统
  • 分布式系统 分布式系统
  • 改变形状的机器人

背景情况:

  • 具有多个执行器的机器人表面提供了增强的功能,但面临控制挑战,特别是更多执行器的全系统刷新时间的增加.
  • 对于像对象操纵这样的先进机器人应用来说,对大规模执行器系统的有效控制至关重要.

研究的目的:

  • 为机器人表面提出并验证一种新的分布式控制方法,不论执行器的数量如何,保持恒定的更新时间.
  • 为了证明拟议的控制方法在形状近似和物体运输任务中的效率和准确性.

主要方法:

  • 开发了一种分布式控制方法,涉及目标形状近似,广播系数和分散的执行器输入计算.
  • 实验验证包括构建机器人表面以测量与执行器计数的刷新时间,并执行形状近似实验.
  • 介绍了机器人-物体相互作用力的建模策略,导致对象运输的反控制器.

主要成果:

  • 拟议的控制方法证明了系统大小独立的缩放,无论执行器的数量如何,更新时间都保持不变.
  • 实验表明,理论预测和实际性能在形状近似中之间有很好的一致性.
  • 开发的用于物体运输的反控制器通过实验测试证明了其有效性,证实了相互作用力模型.

结论:

  • 新的分布式控制方法为机器人表面中管理大量执行器提供了可扩展和高效的解决方案.
  • 该方法减少了控制信息的开销,从而使物体运输和分类等任务的协调更加有效.
  • 经过验证的模型和控制器为先进的机器人操纵和交互能力铺平了道路.