なぜロボットは動物を追い越せないのか?(Why Can’t Robots Outrun Animals?)

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2024-05-02 ジョージア工科大学

ロボットは走る、跳ぶ、話すといった動きが可能になっていますが、動物に比べてまだ性能が劣っています。ジョージア工科大学のサイモン・スポンバーグらの研究では、ロボットと動物の動きを比較し、ロボットが動物のような能力を持てない理由を探りました。その結果、個々の部品の性能ではなく、それらを統合する能力が課題であることが判明しました。今後のロボット開発は、部品の連携に焦点を当てる必要があります。

<関連情報>

動物がロボットを出し抜ける理由 Why animals can outrun robots

SAMUEL A. BURDEN, THOMAS LIBBY, KAUSHIK JAYARAM, SIMON SPONBERG, AND J. MAXWELL DONELAN
Science Robotics  Published:24 Apr 2024
DOI:https://doi.org/10.1126/scirobotics.adi9754

なぜロボットは動物を追い越せないのか?(Why Can’t Robots Outrun Animals?)

Editor’s summary

Strategies for robot locomotion have often taken inspiration from animals. But robots still fall short when compared to the inherent performance of animals. Burden et al. review the literature and discuss why animals outrun robots in categories such as agility, range, and robustness. The authors highlight that, with few exceptions, engineering outperforms biology in the components critical for running, so they conclude that there must be as-yet-undiscovered principles of integration and control that give animals their advantage over robots. —Amos Matsiko

Abstract

Animals are much better at running than robots. The difference in performance arises in the important dimensions of agility, range, and robustness. To understand the underlying causes for this performance gap, we compare natural and artificial technologies in the five subsystems critical for running: power, frame, actuation, sensing, and control. With few exceptions, engineering technologies meet or exceed the performance of their biological counterparts. We conclude that biology’s advantage over engineering arises from better integration of subsystems, and we identify four fundamental obstacles that roboticists must overcome. Toward this goal, we highlight promising research directions that have outsized potential to help future running robots achieve animal-level performance.

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