Robust Continuous Motion Strategy Against Muscle Rupture using Online Learning of Redundant Intersensory Networks for Musculoskeletal Humanoids
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arXiv
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| Format: | Preprint |
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2024
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| author | Kawaharazuka, Kento Nishiura, Manabu Toshimitsu, Yasunori Omura, Yusuke Koga, Yuya Asano, Yuki Kawasaki, Koji Inaba, Masayuki |
| author_facet | Kawaharazuka, Kento Nishiura, Manabu Toshimitsu, Yasunori Omura, Yusuke Koga, Yuya Asano, Yuki Kawasaki, Koji Inaba, Masayuki |
| contents | Musculoskeletal humanoids have various biomimetic advantages, of which redundant muscle arrangement is one of the most important features. This feature enables variable stiffness control and allows the robot to keep moving its joints even if one of the redundant muscles breaks, but this has been rarely explored. In this study, we construct a neural network that represents the relationship among sensors in the flexible and difficult-to-modelize body of the musculoskeletal humanoid, and by learning this neural network, accurate motions can be achieved. In order to take advantage of the redundancy of muscles, we discuss the use of this network for muscle rupture detection, online update of the intersensory relationship considering the muscle rupture, and body control and state estimation using the muscle rupture information. This study explains a method of constructing a musculoskeletal humanoid that continues to move and perform tasks robustly even when one muscle breaks. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2409_14951 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Robust Continuous Motion Strategy Against Muscle Rupture using Online Learning of Redundant Intersensory Networks for Musculoskeletal Humanoids Kawaharazuka, Kento Nishiura, Manabu Toshimitsu, Yasunori Omura, Yusuke Koga, Yuya Asano, Yuki Kawasaki, Koji Inaba, Masayuki Robotics Musculoskeletal humanoids have various biomimetic advantages, of which redundant muscle arrangement is one of the most important features. This feature enables variable stiffness control and allows the robot to keep moving its joints even if one of the redundant muscles breaks, but this has been rarely explored. In this study, we construct a neural network that represents the relationship among sensors in the flexible and difficult-to-modelize body of the musculoskeletal humanoid, and by learning this neural network, accurate motions can be achieved. In order to take advantage of the redundancy of muscles, we discuss the use of this network for muscle rupture detection, online update of the intersensory relationship considering the muscle rupture, and body control and state estimation using the muscle rupture information. This study explains a method of constructing a musculoskeletal humanoid that continues to move and perform tasks robustly even when one muscle breaks. |
| title | Robust Continuous Motion Strategy Against Muscle Rupture using Online Learning of Redundant Intersensory Networks for Musculoskeletal Humanoids |
| topic | Robotics |
| url | https://arxiv.org/abs/2409.14951 |