EvoGymCM：連続的な材料剛性を活用したソフトロボットの共同設計
EvoGymCM: Harnessing Continuous Material Stiffness for Soft Robot Co-Design
ソフトロボットの共同設計において、材料剛性を連続変数として扱う新しいベンチマークEvoGymCMを提案し、形態・材料・制御の同時最適化により性能向上を実証した。
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著者: Le Shen, Kangyao Huang, Wentao Zhao, Huaping Liu
分類: cs.RO
原文アブストラクト
In the automated co-design of soft robots, precisely adapting the material stiffness field to task environments is crucial for unlocking their full physical potential. However, mainstream platforms (e.g., EvoGym) strictly discretize the material dimension, artificially restricting the design space and performance of soft robots. To address this, we propose EvoGymCM (EvoGym with Continuous Materials), a benchmark suite formally establishing continuous material stiffness as a first-class design variable alongside morphology and control. Aligning with real-world material mechanisms, EvoGymCM introduces two settings: (i) EvoGymCM-R (Reactive), motivated by programmable materials with dynamically tunable stiffness; and (ii) EvoGymCM-I (Invariant), motivated by traditional materials with invariant stiffness fields. To tackle the resulting high-dimensional coupling, we formulate two Morphology-Material-Control co-design paradigms: (i) Reactive-Material Co-Design, which learns real-time stiffness tuning policies to guide programmable materials; and (ii) Invariant-Material Co-Design, which jointly optimizes morphology and fixed material fields to guide traditional material fabrication. Systematic experiments across diverse tasks demonstrate that continuous material optimization boosts performance and unlocks synergy across morphology, material, and control.
関連論文
- SoftZoo：多様な環境での移動のためのソフトロボット共同設計ベンチマークソフトロボティクス/共同設計
