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相关概念视频

Three-Dimensional Force System:Problem Solving01:30

Three-Dimensional Force System:Problem Solving

628
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...
628
Two-Dimensional Force System: Problem Solving01:29

Two-Dimensional Force System: Problem Solving

542
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...
542
Three-Dimensional Force System01:30

Three-Dimensional Force System

2.0K
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...
2.0K
Parallel-Axis Theorem for an Area01:12

Parallel-Axis Theorem for an Area

1.4K
The moment of inertia is a fundamental concept in mechanical engineering that plays a significant role in designing rotationally symmetric objects such as flywheels, gears, and other mechanical systems. In this context, we will discuss the moment of inertia of a flywheel rotating about its centroidal axis and how it relates to the moment of inertia about an axis parallel to it.
For a flywheel approximated as a solid disc, consider an infinitesimal differential element with an arbitrary distance...
1.4K
Two-Dimensional Force System01:20

Two-Dimensional Force System

873
A two-dimensional system in mechanical engineering involves the analysis of motion and forces in a plane. A two-dimensional force vector can be resolved into its components as:
873
One-Degree-of-Freedom System01:24

One-Degree-of-Freedom System

465
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...
465

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相关实验视频

Updated: Jun 6, 2025

The Modular Design and Production of an Intelligent Robot Based on a Closed-Loop Control Strategy
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The Modular Design and Production of an Intelligent Robot Based on a Closed-Loop Control Strategy

Published on: October 14, 2017

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一个数字设计框架,用于平行机器人的维度优化,基于动力学和elasto-dynamic性能.

Yue Ma1,2, Weihua Sun1,2, Hongye Wu1,2

  • 1Tianjin Key Laboratory for Advanced Mechatronic System Design and Intelligent Control, School of Mechanical Engineering, Tianjin University of Technology, Tianjin, 300384, China.

Scientific reports
|November 26, 2024
PubMed
概括

这项研究引入了一种用于优化并行机器人设计的新框架. 它提高了动态性能,同时保持了动力学能力,大大减少了计算时间.

关键词:
在CAD-CAE集成中.集群分析分析集群分析动力学和动态性能表现的动力学和动态性能.多目标优化多目标优化平行机器人是平行机器人.

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A Modeling and Simulation Method for Preliminary Design of an Electro-Variable Displacement Pump
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Operation of the Collaborative Composite Manufacturing CCM System
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相关实验视频

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A Modeling and Simulation Method for Preliminary Design of an Electro-Variable Displacement Pump
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科学领域:

  • 机器人与机械工程 机器人与机械工程
  • 计算力学 计算力学 计算力学
  • 优化技术 优化技术

背景情况:

  • 维度优化对于并行机器人的性能至关重要.
  • 挑战包括相互矛盾的性能指数和高计算成本.
  • 姿势依赖的性能变化使最佳设计变得复杂.

研究的目的:

  • 为最佳并行机器人设计提供一个框架.
  • 集成骨架建模,CAD-CAE和多目标优化.
  • 为了解决动力学和动态性能指数之间的冲突.

主要方法:

  • 使用CAD/CAE开发了动力学和elasto-dynamic性能评估模型.
  • 雇佣的硬C-Means (HCM) 聚类以确定代表性的姿势.
  • 使用多目标优化来找到维度参数的帕雷托最佳解决方案.

主要成果:

  • 拟议的框架显著提高了elasto-dynamic性能.
  • 在没有过度妥协的情况下保持动力性能.
  • 与传统方法相比,计算时间显著减少.

结论:

  • 综合框架有效地处理冲突的绩效目标.
  • 它为平行机器人设计提供了一个计算高效的方法.
  • 一个开发的软件包可方便平行/混合机器人的设计.