Jove
Visualize
お問い合わせ
JoVE
x logofacebook logolinkedin logoyoutube logo
JoVEについて
概要リーダーシップブログJoVEヘルプセンター
著者向け
出版プロセス編集委員会範囲と方針査読よくある質問投稿
図書館員向け
推薦の声購読アクセスリソース図書館諮問委員会よくある質問
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experimentsアーカイブ
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教員リソースセンター教員サイト
利用規約
プライバシーポリシー
ポリシー

関連する概念動画

Relative Motion Analysis - Acceleration01:10

Relative Motion Analysis - Acceleration

798
A slider-crank mechanism converts rotational motion from the crank into linear motion of the slider or vice versa. This mechanism consists of three main parts: the crank, the connecting rod, and the slider. The movement of the slider-crank is an example of general plane motion as the fluctuating angle between the crank and the connecting rod. Consider a segment AB where point A is at the end of the slider and point B is on the diametrically opposite end to point A, on a crack. The variance in...
798
Rolling Without Slipping01:09

Rolling Without Slipping

5.1K
People have observed the rolling motion without slipping ever since the invention of the wheel. For example, one can look at the interaction between a car's tires and the surface of the road. If the driver presses the accelerator to the floor so that the tires spin without the car moving forward, there must be kinetic friction between the wheels and the road's surface. If the driver slowly presses the accelerator, causing the car to move forward, the tires roll without slipping. It is...
5.1K
Rolling Resistance: Problem Solving01:17

Rolling Resistance: Problem Solving

772
Rolling resistance, also known as rolling friction, is the force that resists the motion of a rolling object, such as a wheel, tire, or ball, when it moves over a surface. It is caused by the deformation of the object and the surface in contact with each other, as well as other factors like internal friction, hysteresis, and energy losses within the materials. Rolling resistance opposes the object's motion, requiring additional energy to overcome it and maintain movement. In practical...
772
Equation of Motion: General Plane motion - Problem Solving01:16

Equation of Motion: General Plane motion - Problem Solving

481
Consider a lawn roller with a mass of 100 kg, a radius of 0.2 meters, and a radius of gyration of 0.15 meters. A force of 200 N is applied to this roller, angled at 60 degrees from the horizontal plane. What will be the angular acceleration of the lawn roller?
The friction between the roller and the ground is characterized by two coefficients. The static friction coefficient is 0.15, while the kinetic friction coefficient is 0.1. These values are crucial in understanding the interaction between...
481
Rolling Resistance01:21

Rolling Resistance

606
When a solid cylinder rolls steadily on a rigid surface, the normal force applied by the surface on the cylinder is perpendicular to the tangent at the contact point. However, since no materials are entirely rigid, the surface's reaction to the cylinder involves a range of normal pressures.
For instance, imagine a hard cylinder rolling on a comparatively soft surface. The cylinder's weight compresses the surface beneath it. As the cylinder moves, the material in front of it slows down due to...
606
Relative Motion Analysis - Velocity01:24

Relative Motion Analysis - Velocity

679
A stroke engine has a slider-crank mechanism that converts rotational motion from the crank into linear motion of the slider or vice versa. This mechanism consists of three main parts: the crank, the connecting rod, and the slider.
When an external force is exerted, it sets the crank into a rotational movement. This, in turn, instigates the motion of the connecting rod, leading to what is referred to as a general plane motion. This process involves two key points - point A on the connecting rod...
679

こちらも読む

関連記事

共著者、ジャーナル、引用グラフによってこの研究に関連する記事。

並び替え
Same author

Genome-Wide Association Mapping and Integrated Transcriptomic-Genomic Analysis Reveal Candidate Genes for Grain Transparency in Rice.

International journal of molecular sciences·2026
Same author

Novel bacterial hosts and mobile genetic structure of tet(X) variants in tetracycline-contaminated aquatic environment uncovered by culture and long-read metagenomics.

Water research·2026
Same author

Synergistic magneto-electro-thermal biochemical cascade modulation enables rapid healing and functional restoration of infected wounds.

Acta biomaterialia·2026
Same author

Sulfur-driven adaptive succession of denitrifiers enables coordinated autotrophic-heterotrophic deep denitrification.

Water research·2026
Same author

Clinically prevalent transposons contribute to erm gene dissemination in the field soil under pseudo-persistent erythromycin contamination.

Journal of hazardous materials·2026
Same author

Design of novel interlocked bi-layer NiTi braided stent with ultra-thin walls for urinary tract obstruction treatment.

Regenerative biomaterials·2026

関連する実験動画

Updated: Jan 13, 2026

Modeling and Experimental Analysis of the Single-Shaft Coaxial Motor-Pump Assembly in Electrohydrostatic Actuators
08:59

Modeling and Experimental Analysis of the Single-Shaft Coaxial Motor-Pump Assembly in Electrohydrostatic Actuators

Published on: June 13, 2022

2.9K

新規圧電アクチュエータのローリング駆動原理による双方向スムーズ運動

Dunfa Long1, Fujun Wang1, Chengzhi Hu2

  • 1Key Laboratory of Mechanism Theory and Equipment Design of Ministry of Education, School of Mechanical Engineering, Tianjin University, Tianjin 300072, China.

Cyborg and bionic systems (Washington, D.C.)
|January 12, 2026
PubMed
まとめ

新しいローリング駆動原理（RDP）は、単一のPZTを使用してスティック-スリップアクチュエータのモーションの一貫性を向上させます。このRDPは、高い直線性 と低速差を達成し、MRI適合型マイクロサージェリー機器などのアプリケーションを可能にします。

キーワード:
スティック-スリップアクチュエータ圧電アクチュエータローリング駆動原理MRI適合型マイクロサージェリー精密運動制御

さらに関連する動画

Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator
06:45

Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator

Published on: October 28, 2022

2.1K
Free-form Light Actuators — Fabrication and Control of Actuation in Microscopic Scale
08:17

Free-form Light Actuators — Fabrication and Control of Actuation in Microscopic Scale

Published on: May 25, 2016

9.6K

関連する実験動画

Last Updated: Jan 13, 2026

Modeling and Experimental Analysis of the Single-Shaft Coaxial Motor-Pump Assembly in Electrohydrostatic Actuators
08:59

Modeling and Experimental Analysis of the Single-Shaft Coaxial Motor-Pump Assembly in Electrohydrostatic Actuators

Published on: June 13, 2022

2.9K
Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator
06:45

Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator

Published on: October 28, 2022

2.1K
Free-form Light Actuators — Fabrication and Control of Actuation in Microscopic Scale
08:17

Free-form Light Actuators — Fabrication and Control of Actuation in Microscopic Scale

Published on: May 25, 2016

9.6K

科学分野:

  • 機械工学
  • ロボット工学
  • 生体医工学

背景:

  • スティック-スリップアクチュエータは、精密なモーション制御に不可欠です。
  • 既存の設計では、モーションの一貫性と直線性 に関する課題がしばしば発生します。
  • マイクロサージェリーなどの高度なアプリケーションには、高精度アクチュエータが必要です。

研究 の 目的:

  • スティック-スリップアクチュエータ向けの新規ローリング駆動原理（RDP）を導入すること。
  • アクチュエータのモーションの一貫性と直線性 を向上させること。
  • RDPを利用したMRI適合型マイクロサージェリー機器を開発すること。

主な方法:

  • ラックアンドピニオン機構に着想を得た新規ローリング駆動原理（RDP）を開発しました。
  • 二等辺台形フレキシブル機構（ITFM）を備えたリニアスティック-スリップアクチュエータを実装しました。
  • ITFMの設計最適化を含む、高周波および低周波での実験的検証を実施しました。

主要な成果:

  • RDPアクチュエータは、優れたモーションの一貫性（10 Hzで1.96%の速度差）と直線性（0.99969）を示しました。
  • 560 Hzでは、高い直線性（0.99999）が7.54%の速度差比で維持されました。
  • プロトタイプのMRI適合型マイクロサージェリー機器が正常に開発され、実証されました。

結論:

  • 新規RDPは、スティック-スリップアクチュエータのモーションの一貫性と直線性 を大幅に向上させます。
  • RDPは、術中MRI手術機器を含む高精度アプリケーションに適しています。
  • 開発されたアクチュエータ技術は、高度なマイクロサージェリーツールに有望です。