Analysis of Various Manipulator Configurations Based on Multi-Objective Black-Box Optimization
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arXiv
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| Auteurs principaux: | , , , , |
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| Format: | Preprint |
| Publié: |
2026
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| _version_ | 1866912804699635712 |
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| author | Kawaharazuka, Kento Yoneda, Keita Hattori, Takahiro Inoue, Shintaro Okada, Kei |
| author_facet | Kawaharazuka, Kento Yoneda, Keita Hattori, Takahiro Inoue, Shintaro Okada, Kei |
| contents | Various 6-degree-of-freedom (DOF) and 7-DOF manipulators have been developed to date. Over a long history, their joint configurations and link length ratios have been determined empirically. In recent years, the development of robotic foundation models has become increasingly active, leading to the continuous proposal of various manipulators to support these models. However, none of these manipulators share exactly the same structure, as the order of joints and the ratio of link lengths differ among robots. Therefore, in order to discuss the optimal structure of a manipulator, we performed multi-objective optimization from the perspectives of end-effector reachability and joint torque. We analyze where existing manipulator structures stand within the sampling results of the optimization and provide insights for future manipulator design. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_02704 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Analysis of Various Manipulator Configurations Based on Multi-Objective Black-Box Optimization Kawaharazuka, Kento Yoneda, Keita Hattori, Takahiro Inoue, Shintaro Okada, Kei Robotics Various 6-degree-of-freedom (DOF) and 7-DOF manipulators have been developed to date. Over a long history, their joint configurations and link length ratios have been determined empirically. In recent years, the development of robotic foundation models has become increasingly active, leading to the continuous proposal of various manipulators to support these models. However, none of these manipulators share exactly the same structure, as the order of joints and the ratio of link lengths differ among robots. Therefore, in order to discuss the optimal structure of a manipulator, we performed multi-objective optimization from the perspectives of end-effector reachability and joint torque. We analyze where existing manipulator structures stand within the sampling results of the optimization and provide insights for future manipulator design. |
| title | Analysis of Various Manipulator Configurations Based on Multi-Objective Black-Box Optimization |
| topic | Robotics |
| url | https://arxiv.org/abs/2601.02704 |