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Long-time Self-body Image Acquisition and its Application to the Control of Musculoskeletal Structures (2404.05293v1)
Published 8 Apr 2024 in cs.RO
Abstract: The tendon-driven musculoskeletal humanoid has many benefits that human beings have, but the modeling of its complex muscle and bone structures is difficult and conventional model-based controls cannot realize intended movements. Therefore, a learning control mechanism that acquires nonlinear relationships between joint angles, muscle tensions, and muscle lengths from the actual robot is necessary. In this study, we propose a system which runs the learning control mechanism for a long time to keep the self-body image of the musculoskeletal humanoid correct at all times. Also, we show that the musculoskeletal humanoid can conduct position control, torque control, and variable stiffness control using this self-body image. We conduct a long-time self-body image acquisition experiment lasting 3 hours, evaluate variable stiffness control using the self-body image, etc., and discuss the superiority and practicality of the self-body image acquisition of musculoskeletal structures, comprehensively.
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- Kento Kawaharazuka (91 papers)
- Kei Tsuzuki (14 papers)
- Shogo Makino (11 papers)
- Moritaka Onitsuka (14 papers)
- Yuki Asano (33 papers)
- Kei Okada (102 papers)
- Koji Kawasaki (22 papers)
- Masayuki Inaba (97 papers)