Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Three-Dimensional Force System:Problem Solving01:30

Three-Dimensional Force System:Problem Solving

660
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...
660
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
Two-Dimensional Force System: Problem Solving01:29

Two-Dimensional Force System: Problem Solving

564
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...
564
Relative Motion Analysis using Rotating Axes-Problem Solving01:29

Relative Motion Analysis using Rotating Axes-Problem Solving

395
Consider a crane whose telescopic boom rotates with an angular velocity of 0.04 rad/s and angular acceleration of 0.02 rad/s2. Along with the rotation, the boom also extends linearly with a uniform speed of 5 m/s. The extension of the boom is measured at point D, which is measured with respect to the fixed point C on the other end of the boom. For the given instant, the distance between points C and D is 60 meters.
Here, in order to determine the magnitude of velocity and acceleration for point...
395
Two-Dimensional Force System01:20

Two-Dimensional Force System

898
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:
898
Relative Velocity in Two Dimensions01:11

Relative Velocity in Two Dimensions

7.2K
Relative velocity is the velocity of an object as observed from a particular reference frame, or the velocity of one reference frame with respect to another reference frame. The concept of relative velocity can be used to describe motion in two dimensions. Consider a particle P and two reference frames S and S′. The position of the origin of S′ as measured in S is , the position of P as measured in S′ is , and the position of P as measured in S is , which can be evaluated by...
7.2K

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Autofocus control using adaptive region selection and reinforcement learning applied in wafer micro-imaging.

Optics express·2025
Same author

Trajectory tracking and obstacle avoidance in dynamic environments using an improved artificial potential field method.

PloS one·2025
Same author

Comparison of incidence trends of early-onset and late-onset type 2 diabetes in the Asia-Pacific region, 1990-2021: a join point regression analysis based on the global burden of disease study 2021.

Frontiers in endocrinology·2025
Same author

Strategies of formulation and lyophilization process for sodium chloride-mannitol-protein-based products.

Journal of pharmaceutical sciences·2025
Same author

Association of time in range with cognitive impairment in middle-aged type 2 diabetic patients.

BMC endocrine disorders·2024
Same author

Correlation between fat-to-muscle mass ratio and cognitive impairment in elderly patients with type 2 diabetes mellitus: a cross-sectional study.

BMC geriatrics·2024

相关实验视频

Updated: Jun 22, 2025

A Networked Desktop Virtual Reality Setup for Decision Science and Navigation Experiments with Multiple Participants
06:28

A Networked Desktop Virtual Reality Setup for Decision Science and Navigation Experiments with Multiple Participants

Published on: August 26, 2018

6.0K

实时轨迹平滑和避开障碍:一种基于虚拟力引导的方法.

Yongbin Su1, Chenying Lin1, Tundong Liu1

  • 1Pen-Tung Sah Institute of Micro-Nano Science and Technology, Xiamen University, Xiamen 361104, China.

Sensors (Basel, Switzerland)
|June 27, 2024
PubMed
概括

这项研究引入了一种新的实时轨迹平滑方法,该方法使用虚拟力来避免障碍物. 该方法有效地为动态环境生成光滑,无碰撞的路径.

科学领域:

  • 机器人技术 机器人技术 机器人技术
  • 人工智能的人工智能
  • 控制系统 控制系统

背景情况:

  • 在动态环境中实时轨迹规划需要平稳的路径.
  • 基于采样的规划器通常会产生需要后处理的摇摇欲的轨迹.
  • 目前的局部光滑技术可能会因为优化断开连接而导致障碍物碰撞.

研究的目的:

  • 开发一种新的实时轨迹平滑方法,结合障碍限制.
  • 为了提高效率,允许与轨迹规划并行执行.
  • 为了减少轨迹平滑中的计算开销.

主要方法:

  • 从原始轨迹点引入虚拟的吸引力.
  • 嵌入了从障碍物中获得虚拟排斥力.
  • 利用所产生的力来引导平滑的轨迹生成.

主要成果:

  • 在实验中实现了实时轨迹平滑.
  • 在轨道生成过程中有效避免障碍物.
  • 证明了较低的计算开销和并行执行能力.

结论:

关键词:
实时避难障碍,避免障碍.实时的轨道平滑.轨道规划 轨道规划 轨道规划虚拟力量指导是指导虚拟力量的指导.

更多相关视频

Evaluating Flight Performance and Eye Movement Patterns Using Virtual Reality Flight Simulator
03:49

Evaluating Flight Performance and Eye Movement Patterns Using Virtual Reality Flight Simulator

Published on: May 19, 2023

926
Using a Virtual Reality Walking Simulator to Investigate Pedestrian Behavior
06:38

Using a Virtual Reality Walking Simulator to Investigate Pedestrian Behavior

Published on: June 9, 2020

4.8K

相关实验视频

Last Updated: Jun 22, 2025

A Networked Desktop Virtual Reality Setup for Decision Science and Navigation Experiments with Multiple Participants
06:28

A Networked Desktop Virtual Reality Setup for Decision Science and Navigation Experiments with Multiple Participants

Published on: August 26, 2018

6.0K
Evaluating Flight Performance and Eye Movement Patterns Using Virtual Reality Flight Simulator
03:49

Evaluating Flight Performance and Eye Movement Patterns Using Virtual Reality Flight Simulator

Published on: May 19, 2023

926
Using a Virtual Reality Walking Simulator to Investigate Pedestrian Behavior
06:38

Using a Virtual Reality Walking Simulator to Investigate Pedestrian Behavior

Published on: June 9, 2020

4.8K
  • 拟议的方法成功地在实时生成平滑的,无障碍的轨迹.
  • 它为动态环境提供了一种高效且计算成本低廉的解决方案.
  • 通过整合避难障碍解决现有的局部平滑方法的局限性.