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関連する概念動画

Relation Between the Distributed Load and Shear01:23

Relation Between the Distributed Load and Shear

1.1K
Understanding the relationship between the distributed load and shear force in structural analysis is crucial for analyzing beams subjected to various loading conditions. Consider the case of a beam experiencing a distributed load, two concentrated loads, and a couple moment.
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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...
1.3K
Two-Dimensional Force System: Problem Solving01:29

Two-Dimensional Force System: Problem Solving

1.2K
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...
1.2K
Distributed Loads: Problem Solving01:21

Distributed Loads: Problem Solving

1.1K
Beams are structural elements commonly employed in engineering applications requiring different load-carrying capacities. The first step in analyzing a beam under a distributed load is to simplify the problem by dividing the load into smaller regions, which allows one to consider each region separately and calculate the magnitude of the equivalent resultant load acting on each portion of the beam. The magnitude of the equivalent resultant load for each region can be determined by calculating...
1.1K
Relative Motion Analysis using Rotating Axes-Problem Solving01:29

Relative Motion Analysis using Rotating Axes-Problem Solving

693
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...
693
Singularity Functions for Shear01:26

Singularity Functions for Shear

418
In structural analysis, singularity functions are crucial in simplifying the representation of shear forces in beams under discontinuous loading. These functions describe discontinuous  variations in shear force across a beam with varying loads by using a single mathematical expression, regardless of the complexity of the loading conditions. The singularity functions are derived from creating a free-body diagram of the beam and then making conceptual cuts at specific points to examine the...
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関連する実験動画

Updated: Jan 13, 2026

Generation of Shear Adhesion Map Using SynVivo Synthetic Microvascular Networks
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ヘテロジニアスマルチエージェントシステムにおける規定性能合意の改善:動的せん断マッピングベースのアプローチ

Ziheng Shi, Yang Gao, Wencheng Zou

    IEEE transactions on cybernetics
    |January 6, 2026
    PubMed
    まとめ

    この研究は、マルチエージェントシステム(MAS)における規定性能(PP)制御を改善するための動的せん断マッピングメカニズムを導入します。この新しいアプローチは、特異点の問題を解決し、障害があっても合意誤差がPP要件を満たすことを保証します。

    キーワード:
    規定性能制御マルチエージェントシステム動的せん断マッピングイベントトリガー制御合意制御

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    科学分野:

    • 制御システム工学
    • ロボット工学
    • 分散システム

    背景:

    • 規定性能(PP)制御は、変数が望ましい範囲内に留まることを保証するマルチエージェントシステム(MAS)の合意プロトコルにとって重要です。
    • 従来のPP制御は、障害や不適切なパラメータ選択により特異点の問題に直面し、有効性を妨げます。
    • せん断マッピングのような既存の解決策では、複雑な非線形方程式を解く必要があり、エージェントの計算リソースを圧迫します。

    研究 の 目的:

    • ヘテロジニアスなリーダーレスMASにおけるイベントトリガー規定性能合意のための新しい動的せん断マッピングメカニズムを開発すること。
    • 過度の計算能力を要求することなく、PP制御における特異点の問題に対処すること。
    • 合意誤差がPP要件を厳密に満たし、漸近的に収束することを保証すること。

    主な方法:

    • 動的せん断角を利用する動的せん断マッピングメカニズムを提案します。
    • この角度は、制約パフォーマンス関数とシステム変数にリンクされています。
    • ヘテロジニアスなリーダーレスMASのためのイベントトリガーPP合意プロトコルを設計します。

    主要な成果:

    • 動的せん断マッピングは、複雑な非線形方程式を解く必要性を低減します。
    • この手法は、制御中にパフォーマンス制約のハードソフト遷移を実現します。
    • 合意誤差は、PP要件を厳密に満たし、漸近的にゼロに収束することが証明されています。

    結論:

    • 提案された動的せん断マッピングメカニズムは、MASのPP制御における特異点の問題を効果的に解決します。
    • イベントトリガープロトコルは、パフォーマンス保証を維持しながら計算効率を向上させます。
    • このアプローチは、ヘテロジニアスマルチエージェントシステムにおける合意制御のための堅牢なソリューションを提供します。