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相关概念视频

Method of Joints: Problem Solving I01:30

Method of Joints: Problem Solving I

1.1K
The method of joints is a commonly used technique to analyze the forces in structural trusses. The method is based on the principle of equilibrium, which assumes that the truss members are connected by frictionless pins. The forces at each joint can be determined by considering the equilibrium of the forces acting on that joint. Consider a truss structure with two forces of 20 N and 10 N acting at joints C and D, respectively. The method of joints can be used to determine the forces FCB, FDC,...
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Method of Joints: Problem Solving II01:30

Method of Joints: Problem Solving II

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Consider a truss structure with frictionless joints fixed to a wall and roller support. If a force of 150 N is applied to joint A, the forces in each member of the truss can be determined using the method of joints.
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Controller Configurations01:22

Controller Configurations

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Controller configurations are crucial in a car's cruise control system because they manage speed over time to maintain a consistent pace regardless of road conditions, thereby meeting design goals. In traditional control systems, fixed-configuration design involves predetermined controller placement. System performance modifications are known as compensation.
Control-system compensation involves various configurations, most commonly series or cascade compensation, in which the controller...
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Space Trusses: Problem Solving01:29

Space Trusses: Problem Solving

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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
Design Example: Traverse Angle Computations01:25

Design Example: Traverse Angle Computations

79
Traverse angle computations are a critical component of surveying, used to compute the internal angles within a closed traverse. A traverse consists of a series of connected lines forming a closed loop, often used for land boundary delineation or mapping. Calculating the internal angles ensures accuracy in the traverse geometry and is essential for checking survey data integrity.The process begins with known azimuths and bearings of the traverse sides. Internal angles at each vertex are...
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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...
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相关实验视频

Updated: Jun 30, 2025

RBDT: A Computerized Task System based in Transposition for the Continuous Analysis of Relational Behavior Dynamics in Humans
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创建的踏板配置取决于任务约束.

Jeffrey B Wagman1, Maisha Tahsin Orthy1, Amy M Jeschke2

  • 1Department of Psychology, Illinois State University, Normal, IL, USA.

Quarterly journal of experimental psychology (2006)
|March 14, 2024
PubMed
概括
此摘要是机器生成的。

人们根据他们的目标,以不同的方式配置踏板路径. 为速度,乐趣或易用而创建路径会产生独特的脚石安排和挑战.

关键词:
负担得起的情况有限制的限制.创造力 创造力 创造力一步一步地迈进.

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Task Interruption and Resumption Paradigm for Testing the Activation and Pursuit of an Abstract Thinking Goal
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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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RBDT: A Computerized Task System based in Transposition for the Continuous Analysis of Relational Behavior Dynamics in Humans
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Task Interruption and Resumption Paradigm for Testing the Activation and Pursuit of an Abstract Thinking Goal
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科学领域:

  • 人与计算机的交互
  • 认知心理学 认知心理学
  • 生物力学 生物力学

背景情况:

  • 游戏的踏板配置反映了行动能力.
  • 之前的研究表明,物理负担能力和用户能力之间存在联系.

研究的目的:

  • 调查步骤路径配置是否反映了用户的目标和约束.
  • 为了确定不同的运动目标 (速度,舒适,护理,乐趣,轻松) 如何影响路径设计.

主要方法:

  • 两项实验使用脚石配置 (地毯) 进行.
  • 参与者设计了特定目标的路径:快速,舒适,谨慎,有趣或容易.
  • 分析了路径配置,基于数,距离,挑战,宽度和角度变化.

主要成果:

  • "快速"路径的地毯较少,距离较长,增加了挑战.
  • "乐趣"的路径比"轻松"的路径有更多的地毯,更长的距离,更大的挑战和更多样化的路径几何.
  • 路径配置适应特定的机动目标和约束.

结论:

  • 踏板路径设计受到预期用途和用户目标的影响,而不仅仅是物理能力.
  • 这些发现对理解负担能力和设计可适应的物理环境有影响.
  • 该研究强调了环境相互作用和设计的目标导向性.