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Orthogonal Trajectories01:26

Orthogonal Trajectories

72
Orthogonal trajectories describe the geometric relationship between two families of curves that intersect each other at right angles. One illustrative case involves a family of parabolas that open sideways along the x-axis. These curves share a common shape but differ by a scaling parameter, resulting in a set of curves that all pass through the origin and widen at different rates.Determining Orthogonal TrajectoriesTo identify the orthogonal trajectories for these parabolas, the first step...
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Distance Corrections01:15

Distance Corrections

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To achieve precise distance measurements, especially in surveying and construction, certain corrections must be applied to account for potential sources of error like the standardization errors, temperature variations, and slope adjustments.Standardization error emerges when measurement equipment undergoes changes, such as wear, repairs, or weather impacts. To address this, surveyors compare the equipment’s readings to a standard. This process identifies any deviation that might lead to...
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Power Factor Correction01:20

Power Factor Correction

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The power transmission to a factory involves the transfer of apparent power, a combination of active and reactive power. The power factor measures how effectively electrical power is converted into useful work output. The ratio of the real power (KW) that does the work to the apparent power (KVA) supplied to the circuit.
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Work Done on a System by External Force01:11

Work Done on a System by External Force

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The work done by an external force on a particle changes its kinetic energy. However, internal forces must also be considered for a system of interacting particles. The potential energy formulation helps formulate the effect of internal forces. The net work done by an external force can be written in terms of the total change of mechanical energy, which includes both kinetic and potential energies.
In the presence of a non-conservative opposing force, like friction, some part of the work done...
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Plant Cell Wall

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The plant cell wall gives plant cells shape, support, and protection. As a cell matures, its cell wall specializes according to the cell type. For example, the parenchyma cells of leaves possess only a thin, primary cell wall.
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Newton's first law states that a net external force causes a change in motion. External forces act on an object or system, originating outside of the object or system. In contrast, internal forces originate inside the system of interest and do not lead to any acceleration. In simpler words, internal forces are forces that act on one part of an object and are exerted by another part of the same object. External forces are forces that act on an object due to some other object. Therefore, when...
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関連する実験動画

Updated: Feb 14, 2026

Manufacturing, Control, and Performance Evaluation of a Gecko-Inspired Soft Robot
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壁に登るロボットの運動軌道の修正方法に関する研究 外部視覚局所化システムに基づく

Haolei Ru1,2, Meiping Sheng1, Fei Gao2

  • 1School of Marine Science and Technology, Northwestern Polytechnical University, Xi'an 710072, China.

Sensors (Basel, Switzerland)
|February 13, 2026
PubMed
まとめ
この要約は機械生成です。

この研究では,壁に登るロボットの外部視覚的ローカライゼーションシステムを導入し,正確な自律的なナビゲーションを可能にします. このシステムは,動きの偏差を修正し,より安全な高空でのメンテナンスのために,ロボットが軌道上に留まることを保証します.

キーワード:
拡張カルマンフィルター軌道を修正する.ビジュアルポジショニングシステム壁に登るロボット

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科学分野:

  • ロボット工学 ロボット工学 ロボット工学
  • コンピュータビジョン コンピュータビジョン
  • ナビゲーションシステム ナビゲーションシステム

背景:

  • 高空のメンテナンスロボットは,効率と安全のために自律的なナビゲーションを必要とします.
  • 不均一な粘着は偏差を引き起こし,正確なロボットローカライゼーションを必要とします.
  • 既存のローカライゼーション方法は,ダイナミックなロボット動作の精度が不足している可能性があります.

研究 の 目的:

  • 高地壁に登るロボットの外部ビジュアルローカライゼーションシステムを開発する.
  • 軌道の正確な修正と自律的なナビゲーションを可能にします.
  • 粘着の不一致によって引き起こされる運動の偏差に対処するために.

主な方法:

  • ズームカメラを備えたパントイルトレーザートラッカーユニットは,AprilTagのマーカーを追跡します.
  • レーザーレンジファインダーは,正確な距離測定を提供します.
  • エクステンデッド・カルマン・フィルター (EKF) は,姿勢の推定と予測のための視覚データと距離測定データを融合させます.
  • 閉ループ制御信号は,運動補正のための偏差比較によって生成されます.

主要な成果:

  • 安定した局所化は,6m × 2.5mの表面で0.025m以上の精度で達成されます.
  • ロボットの運動偏差は0.1m以内で維持されます.
  • このシステムは,正確な運動制御のための信頼性の高いポジション参照を提供します.

結論:

  • 提案された視覚的ローカライゼーションシステムは,壁に登るロボットの自律的なナビゲーションを強化します.
  • 高精度のローカライゼーションとモーション補正により,複雑な環境でも信頼性の高い動作を保証します.
  • この技術は,手作業の介入を減らし,運用インテリジェンスを改善します.