Why animals can outrun robots

doi:10.1126/scirobotics.adi9754

Why animals can outrun robots

2024-04-24

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DOI：10.1126/scirobotics.adi9754

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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.

Keywords:

ELASTIC ENERGY-STORAGE

LEGGED LOCOMOTION

POWER OUTPUT

MECHANICAL-PROPERTIES

GENERATING CAPACITY

NEURAL-NETWORKS

METABOLIC-RATE

MOTOR CONTROL

MOMENT ARM

DESIGN

Why animals can outrun robots

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