関連する実験動画
Updated: Aug 11, 2026

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Cardiac Muscle-cell Based Actuator and Self-stabilizing Biorobot - PART 1
Published on: July 11, 2017
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釣り糸や縫製糸から作られた人工筋肉です
Carter S Haines1, Márcio D Lima, Na Li
1The Alan G. MacDiarmid NanoTech Institute, University of Texas at Dallas, Richardson, TX 75083, USA.
まとめ
研究者らは,一般的なポリマー繊維から,安価で高性能な人工筋肉を作り出した. これらの人工筋肉は,高強度,長寿命,そして多様な用途のための迅速なアクチュエーションを提供します.
科学分野:
- マテリアルサイエンス 材料科学
- ロボット工学 ロボット工学 ロボット工学
- ポリマーサイエンスの科学
背景:
- 現在の人工筋肉の高いコストと性能の限界は,その広範な適用を制限しています.
- 既存の人工筋肉は,低サイクル寿命,ヒステレス,低効率に苦しんでいます.
研究 の 目的:
- 簡単に手に入る素材から,安価で高性能な人工筋肉を開発する.
- 拡張可能で効率的な人工筋肉を作り出すためのポリマー繊維の潜在能力を実証する.
主な方法:
- 安価な高強度ポリマー繊維 (釣り糸,縫製糸) をトウィスト挿入で変換する.
- 極端な歪みを介して巻き上げられた人工筋肉の製造.
- 動作メカニズムの理論的および実験的分析.
主要な成果:
- 迅速で,スケーラブルで,非ヒステリックで,長寿命の引力およびトルションアクチュエーションを持つ人工筋肉を実証した.
- 49%の収縮を達成し,人間の筋肉の100倍以上の重荷を上げました.
- ジェットエンジンに匹敵する5.3kW/kgのメカニカル出力を生み出しました.
- 温度に反応する繊維や省エネの窓ガラスのアプリケーションを展示しました.
- トルションアクチュエーションから確認された大ストローク引力アクチュエーション結果.
結論:
- 安価なポリマー繊維は,高性能の人工筋肉に変換することができます.
- ツイスト挿入は,スケーラブルで効率的な人工筋肉を作成するための効果的な方法です.
- これらの新しい人工筋肉は,ロボット工学,繊維,エネルギー保存の分野で幅広い応用可能性を秘めています.
関連する概念動画
Classification of Skeletal Muscle Fibers
Skeletal muscles continuously produce ATP to provide the energy that enables muscle contractions. Skeletal muscle fibers can be categorized into three types based on differences in their contraction speed and how they produce ATP, as well as physical differences related to these factors. Most human muscles contain all three muscle fiber types, albeit in varying proportions.
Slow-Twitch Muscle Fibers
Slow oxidative, muscle fibers appear red due to large numbers of capillaries and high levels of...
Slow-Twitch Muscle Fibers
Slow oxidative, muscle fibers appear red due to large numbers of capillaries and high levels of...
Muscle Contraction
The Sarcomere
A sarcomere is a microscopic segment repeating in a myofibril. The sarcomere fundamentally consists of two main myofilaments: thick filaments called myosin and thin filaments called actin. These filaments interact by sliding past each other in response to stimulus. In addition to myosin and actin, several other proteins, such as tropomyosin, troponin, titin, nebulin, myomesin, α-actinin, and dystrophin, play crucial roles in regulating, structuring, and functioning of the sarcomere.
Each myosin...
Each myosin...
Axial and Appendicular Muscles
Skeletal muscles, the key players in our body's movement, can be classified into two groups based on their location and function: axial muscles and appendicular muscles. These classifications reflect the primary roles the muscles play in the body's structure and movement.
Axial Muscles
Axial muscles, situated along the body's midline, are intricately connected to the axial skeleton, which includes the skull, spine, ribs, and sternum. These muscles facilitate facial expressions and play a...
Axial Muscles
Axial muscles, situated along the body's midline, are intricately connected to the axial skeleton, which includes the skull, spine, ribs, and sternum. These muscles facilitate facial expressions and play a...
Muscles of the Eye
The muscles of the eye are sophisticated structures that control eye movement and focus, allowing for the precise and rapid adjustments necessary for vision. The human eye is controlled by ten muscles — six extraocular muscles, three intraocular muscles, and one primary eyelid retractor muscle.
Extraocular Muscles
The six extraocular muscles surround the eyeball and control its movements. They are responsible for a wide range of eye motions, including looking up, down, left, right, and rotating...
Extraocular Muscles
The six extraocular muscles surround the eyeball and control its movements. They are responsible for a wide range of eye motions, including looking up, down, left, right, and rotating...
Muscles that Move the Arm
Nine muscles are involved in arm movements. Two of these, the pectoralis major and latissimus dorsi, originate from the axial skeleton and are called axial muscles. The other seven originate from the scapula and are called the scapular muscles.
The pectoralis major has two origins. Its clavicular head originates on the medial half of the clavicle. In contrast, the sternocostal head originates on the costal cartilages of ribs 1-6, the sternum, and the aponeurosis of the external oblique of the...
The pectoralis major has two origins. Its clavicular head originates on the medial half of the clavicle. In contrast, the sternocostal head originates on the costal cartilages of ribs 1-6, the sternum, and the aponeurosis of the external oblique of the...

