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関連する概念動画

Functions of Smooth Muscles01:23

Functions of Smooth Muscles

3.4K
Smooth muscles are an important type of muscle tissue that plays a vital role in the involuntary movements of internal organs. For example, they help regulate the movement of food through the gut and the flow of blood through the circulatory system.
Function of visceral smooth muscles
Visceral smooth muscle is found in the walls of all hollow organs, except the heart, and is a key player in the involuntary movements that drive the functioning of these internal organs. This tissue is arranged in...
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B Cell Activation and Differentiation01:24

B Cell Activation and Differentiation

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The adaptive immune response, a sophisticated defense mechanism, relies on the activation and differentiation of B lymphocytes, or B cells. These processes enable our bodies to mount a tailored response against specific pathogens such as bacteria, free virus particles, toxins, and parasites.
When naive B cells encounter a specific antigen that can bind to the B cell receptor (BCR) on their surface, they undergo sensitization to respond to the antigen's presence. Sensitization begins with...
16.3K
Random Error01:04

Random Error

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Random or indeterminate errors originate from various uncontrollable variables, such as variations in environmental conditions, instrument imperfections, or the inherent variability of the phenomena being measured. Usually, these errors cannot be predicted, estimated, or characterized because their direction and magnitude often vary in magnitude and direction even during consecutive measurements. As a result, they are difficult to eliminate. However, the aggregate effect of these errors can be...
9.8K
Random Variables01:09

Random Variables

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A random variable is a single numerical value that indicates the outcome of a procedure. The concept of random variables is fundamental to the probability theory and was introduced by a Russian mathematician, Pafnuty Chebyshev, in the mid-nineteenth century.
Uppercase letters such as X or Y denote a random variable. Lowercase letters like x or y denote the value of a random variable. If X is a random variable, then X is written in words, and x is given as a number.
For example, let X = the...
17.8K
Randomized Experiments01:13

Randomized Experiments

9.0K
The randomization process involves assigning study participants randomly to experimental or control groups based on their probability of being equally assigned. Randomization is meant to eliminate selection bias and balance known and unknown confounding factors so that the control group is similar to the treatment group as much as possible. A computer program and a random number generator can be used to assign participants to groups in a way that minimizes bias.
Simple randomization
Simple...
9.0K
Flat Belts: Problem Solving01:28

Flat Belts: Problem Solving

809
Flat belts are crucial in many industrial applications as they help transmit power from one pulley to another. The concept of forces and moments is used to determine the maximum moment on a pulley. For instance, consider a flat belt that wraps around two pulleys, A and B, with radii of 30 cm and 10 cm, respectively. The angle between the belt and the horizontal is 20 degrees at the pulleys. As pulley B rotates clockwise and drives pulley A, tension T2 is caused at one end of the belt, while...
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関連する実験動画

Updated: Jan 29, 2026

Measurement of Smooth Muscle Function in the Isolated Tissue Bath-applications to Pharmacology Research
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Measurement of Smooth Muscle Function in the Isolated Tissue Bath-applications to Pharmacology Research

Published on: January 19, 2015

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アクティブ推論と機能的パラメータ化：微分平坦性と滑らかなランダム実現

Hugues Mounier1, Thomas Parr2, Karl Friston3,4

  • 1Laboratoire des Signaux et Systèmes, Université Paris-Saclay, Centre National de la Recherche Scientifique, CentraleSupélec, 3, rue Joliot Curie, 91192 Gif sur Yvette, France.

Entropy (Basel, Switzerland)
|January 28, 2026
PubMed
まとめ
この要約は機械生成です。

この研究は、非線形制御理論とアクティブ推論を結びつけ、生成モデルの設計のための微分平坦性を探求する。このアプローチは、システム微分と一般化座標を制御アプリケーションに使用し、眼球運動制御で実証される。

キーワード:
アクティブ推論微分平坦性経路ごとの定式化周期的な滑らかなランダム関数

さらに関連する動画

Analyzing Neural Activity and Connectivity Using Intracranial EEG Data with SPM Software
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Analyzing Neural Activity and Connectivity Using Intracranial EEG Data with SPM Software

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Electrophysiological Measurement of Noxious-evoked Brain Activity in Neonates Using a Flat-tip Probe Coupled to Electroencephalography
06:29

Electrophysiological Measurement of Noxious-evoked Brain Activity in Neonates Using a Flat-tip Probe Coupled to Electroencephalography

Published on: November 29, 2017

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関連する実験動画

Last Updated: Jan 29, 2026

Measurement of Smooth Muscle Function in the Isolated Tissue Bath-applications to Pharmacology Research
09:05

Measurement of Smooth Muscle Function in the Isolated Tissue Bath-applications to Pharmacology Research

Published on: January 19, 2015

149.1K
Analyzing Neural Activity and Connectivity Using Intracranial EEG Data with SPM Software
06:50

Analyzing Neural Activity and Connectivity Using Intracranial EEG Data with SPM Software

Published on: October 30, 2018

9.9K
Electrophysiological Measurement of Noxious-evoked Brain Activity in Neonates Using a Flat-tip Probe Coupled to Electroencephalography
06:29

Electrophysiological Measurement of Noxious-evoked Brain Activity in Neonates Using a Flat-tip Probe Coupled to Electroencephalography

Published on: November 29, 2017

7.1K

科学分野:

  • ロボット工学および制御システム
  • 計算神経科学
  • 機械学習

背景:

  • アクティブ推論は生成モデルを使用して意思決定をモデル化する。
  • 構成的非線形制御理論は体系的な設計方法を提供する。
  • これらの分野を橋渡しすることは、高度な自律システムにとって重要である。

研究 の 目的:

  • 微分平坦性とアクティブ推論生成モデルの関係を探求すること。
  • 微分平坦システムの経路ごとの特性が制御設計にどのように情報を提供するかを調査すること。
  • これらの概念をケーススタディとして眼球運動制御に適用すること。

主な方法:

  • 一般化座標を使用した連続時間生成モデルの定式化。
  • 微分平坦システムの時間的導関数から導出される経路ごとの特性の分析。
  • アクティブ推論フレームワーク内での構成的非線形制御技術の統合。

主要な成果:

  • 制御理論とアクティブ推論を融合させた新しいフレームワークを実証した。
  • 微分平坦性が生成モデルの制御設計に有用であることを強調した。
  • 眼球運動制御ダイナミクスを使用して概念的な説明を提供した。

結論:

  • 微分平坦性は、堅牢なアクティブ推論コントローラーを設計するための有望な経路を提供する。
  • この統合は、より洗練された自律システムの開発を促進する。
  • さらなる研究により、このフレームワークをより複雑な制御問題に拡張できる可能性がある。