Designing Fluid-Exuding Cartilage for Biomimetic Robots Mimicking Human Joint Lubrication Function
Fuente:
arXiv
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| Autori principali: | , , , , , , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| Soggetti: | |
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| _version_ | 1866912001688600576 |
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| author | Miki, Akihiro Sahara, Yuta Miyama, Kazuhiro Yoshimura, Shunnosuke Ribayashi, Yoshimoto Hasegawa, Shun Kawaharazuka, Kento Okada, Kei Inaba, Masayuki |
| author_facet | Miki, Akihiro Sahara, Yuta Miyama, Kazuhiro Yoshimura, Shunnosuke Ribayashi, Yoshimoto Hasegawa, Shun Kawaharazuka, Kento Okada, Kei Inaba, Masayuki |
| contents | The human joint is an open-type joint composed of bones, cartilage, ligaments, synovial fluid, and joint capsule, having advantages of flexibility and impact resistance. However, replicating this structure in robots introduces friction challenges due to the absence of bearings. To address this, our study focuses on mimicking the fluid-exuding function of human cartilage. We employ a rubber-based 3D printing technique combined with absorbent materials to create a versatile and easily designed cartilage sheet for biomimetic robots. We evaluate both the fluid-exuding function and friction coefficient of the fabricated flat cartilage sheet. Furthermore, we practically create a piece of curved cartilage and an open-type biomimetic ball joint in combination with bones, ligaments, synovial fluid, and joint capsule to demonstrate the utility of the proposed cartilage sheet in the construction of such joints. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2404_06740 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Designing Fluid-Exuding Cartilage for Biomimetic Robots Mimicking Human Joint Lubrication Function Miki, Akihiro Sahara, Yuta Miyama, Kazuhiro Yoshimura, Shunnosuke Ribayashi, Yoshimoto Hasegawa, Shun Kawaharazuka, Kento Okada, Kei Inaba, Masayuki Robotics The human joint is an open-type joint composed of bones, cartilage, ligaments, synovial fluid, and joint capsule, having advantages of flexibility and impact resistance. However, replicating this structure in robots introduces friction challenges due to the absence of bearings. To address this, our study focuses on mimicking the fluid-exuding function of human cartilage. We employ a rubber-based 3D printing technique combined with absorbent materials to create a versatile and easily designed cartilage sheet for biomimetic robots. We evaluate both the fluid-exuding function and friction coefficient of the fabricated flat cartilage sheet. Furthermore, we practically create a piece of curved cartilage and an open-type biomimetic ball joint in combination with bones, ligaments, synovial fluid, and joint capsule to demonstrate the utility of the proposed cartilage sheet in the construction of such joints. |
| title | Designing Fluid-Exuding Cartilage for Biomimetic Robots Mimicking Human Joint Lubrication Function |
| topic | Robotics |
| url | https://arxiv.org/abs/2404.06740 |