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

Velocity and Acceleration of a Wave00:51

Velocity and Acceleration of a Wave

4.9K
A wave propagates through a medium with a constant speed, known as a wave velocity. It is different from the speed of the particles of the medium, which is not constant. In addition, the velocity of the medium is perpendicular to the velocity of the wave. The variable speed of the particles of the medium implies that there must be acceleration associated with it. 
The velocity of the particles can be obtained by taking the partial derivative of the position equation with respect to time....
4.9K
Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches01:23

Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches

475
Biopharmaceutical studies constitute a vital field aiming to enhance drug delivery methods and refine therapeutic approaches, drawing upon diverse interdisciplinary knowledge. In research methodologies, the choice between controlled and non-controlled studies significantly influences the study's reliability and accuracy.
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast,...
475
Simplified Synchronous Machine Model01:30

Simplified Synchronous Machine Model

798
The Synchronous Machine Model is a fundamental tool in analyzing and ensuring the transient stability of power systems. This model simplifies the representation of a synchronous machine under balanced three-phase positive-sequence conditions, assuming constant excitation and ignoring losses and saturation. The model is pivotal for understanding the behavior of synchronous generators connected to a power grid, particularly during transient events.
In this model, each generator is connected to a...
798
Wind Turbine Machine Models01:24

Wind Turbine Machine Models

614
In the growing field of wind energy, incorporating wind turbine models into transient stability analysis is essential. Induction and synchronous machines are the primary models used, with induction machines being prevalent due to their simplicity and reliability.
Induction machines interact through the rotating magnetic field generated by the stator and the rotor. The key parameter is slip, which is the difference between synchronous speed and rotor speed relative to synchronous speed. Slip is...
614
Pulse01:16

Pulse

2.2K
When the heart pumps blood out, arterial elastic fibers play a crucial role in sustaining a high-pressure gradient. They expand to accommodate the received blood and then recoil - a process known as the pulse that can be either manually palpated or electronically quantified. Despite a reduction in its effect with increased distance from the heart, elements of the pulse's systolic and diastolic components persist, observable even at the arteriole level.
The pulse serves as a clinical...
2.2K
Pulse01:05

Pulse

4.2K
The pulse is one of the most fundamental physiological indicators of the body's cardiovascular health. It is the rhythmic expansion and contraction of the arterial walls in response to the pressure generated by the heart's pumping action.
Pulse Rate and its Significance
Pulse rate, often measured in beats per minute (bpm), reflects the heart rate (HR), which is influenced by numerous factors such as stress, physical activity, and hormonal changes. A normal resting adult pulse rate falls...
4.2K

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

Research of Fall Detection and Fall Prevention Technologies: A Review.

Sensors (Basel, Switzerland)·2026
Same author

Design of Proposed Software System for Prediction of Iliosacral Screw Placement for Iliosacral Joint Injuries Based on X-ray and CT Images.

Journal of clinical medicine·2023
Same author

Performance and Robustness of Regional Image Segmentation Driven by Selected Evolutionary and Genetic Algorithms: Study on MR Articular Cartilage Images.

Sensors (Basel, Switzerland)·2022
Same author

Influence of Rehabilitation Aid with Biofeedback on the Rehabilitation Process during Remote Home-Based Rehabilitation.

International journal of environmental research and public health·2022
Same author

Comparative analysis of wavelet transform filtering systems for noise reduction in ultrasound images.

PloS one·2022
Same author

Quantitative and Comparative Analysis of Effectivity and Robustness for Enhanced and Optimized Non-Local Mean Filter Combining Pixel and Patch Information on MR Images of Musculoskeletal System.

Sensors (Basel, Switzerland)·2021

関連する実験動画

Updated: Feb 14, 2026

Ultrasound-based Pulse Wave Velocity Evaluation in Mice
08:07

Ultrasound-based Pulse Wave Velocity Evaluation in Mice

Published on: February 14, 2017

14.5K

制御されたインビトロ血管モデルにおけるパルス波速度推定: 機械学習のアプローチのベンチマーク

Daniel Barvik1, Martin Černý1, Michal Prochazka1

  • 1Department of Cybernetics and Biomedical Engineering, VSB-Technical University of Ostrava, 17. Listopadu 2172/15, 708 00 Ostrava, Czech Republic.

Sensors (Basel, Switzerland)
|February 13, 2026
PubMed
まとめ

この研究では,人工循環系における血管の硬さとパルス波速度 (PWV) を正確に推定できる新しい方法が示されています. この研究は,心臓血管研究における潜在的な使用のためのパイプラインを検証しています.

キーワード:
アダプティブ・ニューロ・フージー推論システム物理的な血管モデルパルス波の速度 パルス波の速度リグレーション・リグレーション

さらに関連する動画

Measuring the Carotid to Femoral Pulse Wave Velocity Cf-PWV to Evaluate Arterial Stiffness
05:51

Measuring the Carotid to Femoral Pulse Wave Velocity Cf-PWV to Evaluate Arterial Stiffness

Published on: May 3, 2018

18.6K
Pulse Wave Velocity Testing in the Baltimore Longitudinal Study of Aging
06:08

Pulse Wave Velocity Testing in the Baltimore Longitudinal Study of Aging

Published on: February 7, 2014

17.8K

関連する実験動画

Last Updated: Feb 14, 2026

Ultrasound-based Pulse Wave Velocity Evaluation in Mice
08:07

Ultrasound-based Pulse Wave Velocity Evaluation in Mice

Published on: February 14, 2017

14.5K
Measuring the Carotid to Femoral Pulse Wave Velocity Cf-PWV to Evaluate Arterial Stiffness
05:51

Measuring the Carotid to Femoral Pulse Wave Velocity Cf-PWV to Evaluate Arterial Stiffness

Published on: May 3, 2018

18.6K
Pulse Wave Velocity Testing in the Baltimore Longitudinal Study of Aging
06:08

Pulse Wave Velocity Testing in the Baltimore Longitudinal Study of Aging

Published on: February 7, 2014

17.8K

科学分野:

  • バイオメディカルエンジニアリング
  • 流体力学 流体力学とは
  • 材料科学 材料科学とは

背景:

  • 動脈の硬さとパルス波速度 (PWV) の正確な推定は,心血管健康の評価に不可欠です.
  • インビトロモデルは,新しい測定技術を開発し,検証するための制御された環境を提供します.

研究 の 目的:

  • 人工シリコン容器における剛性パラメータとPWVの推定の可行性を評価する.
  • 硬度予測のための他の機械学習モデルと比較して,神経模糊推論システムをベンチマークする.
  • 硬度派生弾力性とMoens-Korteweg方程式を使用してPWVの推定精度を評価する.

主な方法:

  • 硬さや厚さの異なるシリコン容器を使った制御されたインビトロ循環装置を使用しました.
  • 抽出した同期圧力と容量波形は,信託ポイントとエンジニアリングされた特徴を特定します.
  • 硬度予測のためにSugeno型アダプティブ・ニューロ・ファージ・インフェレンス・システム (ANFIS) を採用し,回帰とML/DLモデルと比較した.
  • 硬さから弾性への変換とMoens-Korteweg式を使用してPWVを計算し,参照PWVと比較した.

主要な成果:

  • 提案されたパイプラインは,参照ラベルと制御されたインビトロ条件下での測定と強い一致を示した.
  • ANFISモデルは,容器の硬度レベルを予測する上で競争力のあるパフォーマンスを示しました.
  • 開発された方法から得られたPWVの推定値は,基準測定値とよく一致しています.

結論:

  • この研究では,試管内での硬さパラメータとPWVの推定のためのパイプラインを成功裏に検証しました.
  • この発見は,心臓血管研究におけるこのアプローチの可能性を裏付けているが,さらにインビボの検証が待たれている.
  • 将来の作業には,生理学的アプリケーションのための外部検証,校正,および強度試験が必要です.