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相关概念视频

Free Body Diagrams: Examples01:07

Free Body Diagrams: Examples

14.4K
Solving problems that involve forces is easy using free-body diagrams. A free-body diagram is a sketch showing all the external forces that are acting on an object or system. The object or system is represented by a single isolated point (or free body). Only those forces acting on it that originate outside of the object or system—the external forces—are shown. The forces are represented by vectors extending outward from the free body. Imagine a person sitting on a chair. Here, the...
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Steps for Free-Body Diagram01:22

Steps for Free-Body Diagram

3.1K
When it comes to studying the behavior of objects in mechanics, one of the most important tools available is the free-body diagram. Consider a simple example of a system of two blocks coupled by a massless string over a frictionless pulley. Block 1 is sliding over a table pulled by block 2 as block 2 falls under gravity.
To find the acceleration of the system, it is first necessary to calculate the net force on the system. In order to accomplish this, a free-body diagram can be created to...
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Free-body Diagram01:28

Free-body Diagram

3.6K
In mechanics, understanding the motion of objects is essential, and one tool that helps solve this problem is the free-body diagram. It is a simple but powerful graphical representation that succinctly represents all the forces acting on an object. A free-body diagram can represent a stationary or moving object, and is used in mechanics to explain the cause of an object's motion.
A free-body diagram transforms a complex problem into a simple representation, making it easy to understand the...
3.6K
Drawing Free-body Diagrams: Rules01:16

Drawing Free-body Diagrams: Rules

15.6K
The first step in describing and analyzing most phenomena in physics involves the careful drawing of a free-body diagram. Free-body diagrams are useful in analyzing forces acting on an object or system, and are employed extensively in the study and application of Newton's laws of motion. The steps to draw a free-body diagram are listed below:
15.6K
Mechanistic Models: Overview of Compartment Models01:21

Mechanistic Models: Overview of Compartment Models

361
Mechanistic models, a category encompassing both physiological and compartmental modeling, differ from empirical models' approaches to incorporating known factors about the systems being modeled. Empirical models describe data with minimal assumptions, while mechanistic models aim to provide a robust description of available data by specifying assumptions and integrating known factors about the system. Compartmental analysis is a key example of a mechanistic model in pharmacokinetics and...
361
Three-Dimensional Force System:Problem Solving01:30

Three-Dimensional Force System:Problem Solving

1.3K
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...
1.3K

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相关实验视频

Updated: Jan 16, 2026

Robotic Mirror Therapy System for Functional Recovery of Hemiplegic Arms
10:32

Robotic Mirror Therapy System for Functional Recovery of Hemiplegic Arms

Published on: August 15, 2016

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图形物理机器人模型模型.

Alvaro Miyazawa1, Sharar Ahmadi2, Ana Cavalcanti1

  • 1Department of Computer Science, University of York, York, UK.

Software and systems modeling
|September 29, 2025
PubMed
概括
此摘要是机器生成的。

RoboSim提供了一种模拟机器人系统的新方法,提高了模拟效率和可用性. 这个特定领域的语言通过将物理模型与自动化模拟的控制软件相集成来增强机器人开发.

关键词:
图形模型 图形模型混合动力模型 混合动力模型这是SDF.模拟模拟是为了模拟.验证 验证 验证 验证 验证

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Manufacturing, Control, and Performance Evaluation of a Gecko-Inspired Soft Robot
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Manufacturing, Control, and Performance Evaluation of a Gecko-Inspired Soft Robot

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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

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相关实验视频

Last Updated: Jan 16, 2026

Robotic Mirror Therapy System for Functional Recovery of Hemiplegic Arms
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Robotic Mirror Therapy System for Functional Recovery of Hemiplegic Arms

Published on: August 15, 2016

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Manufacturing, Control, and Performance Evaluation of a Gecko-Inspired Soft Robot
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Manufacturing, Control, and Performance Evaluation of a Gecko-Inspired Soft Robot

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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

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科学领域:

  • 机器人技术 机器人技术 机器人技术
  • 软件工程 软件工程 软件工程
  • 控制系统 控制系统

背景情况:

  • 仿真在机器人技术中至关重要,但面临着开发时间,标准化和可移植性的挑战.
  • 现有的工具往往缺乏统一的方法来建模机器人平台及其控制软件.

研究的目的:

  • 介绍RoboSim,一个独立于工具的,针对特定领域的语言,用于建模机器人平台和控制器.
  • 提出一种新的标记,用于指定物理模型,使用与软件模型集成的块图.
  • 为了实现机器人系统的自动生成模拟和数学模型.

主要方法:

  • 开发了RoboSim作为UML/SysML的配置文件,结合时间原体,微分方程和数学语义.
  • 引入了与平台独立软件模型相关的物理模型 (块图) 的图形符号.
  • 定义了对形状良好模型的验证规则,以及从模型到模型的转换到常见的模拟器格式.

主要成果:

  • 一种模块化和可扩展的图形符号,用于明确规范机器人系统中的物理行为.
  • 一套验证规则,以确保RoboSim模型的完整性和正确性.
  • 成功地将RoboSim模型转换为与多个模拟器兼容的格式,促进更广泛的采用.

结论:

  • RoboSim通过提供标准化,便携式和高效的建模方法来解决当前机器人模拟工具的局限性.
  • 通过RoboSim集成物理和软件模型,可以实现自动模拟和数学分析,推动机器人系统的开发.