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[交流] A quadruped robot designed to complete a marathon on a single battery charge

A quadruped robot designed to complete a marathon on a single battery charge

一款为单次充电可完成马拉松而设计的四足机器人

▲ 作者:Choongin Lee, Donghoon Youm et al.

▲链接:

https://www.nature.com/articles/s41586-026-11102-5

▲摘要:

研究者展示了RAIBO2,一款通过对其整体能量损失模型进行全面分析而开发的高能效四足机器人。其效率通过力透明轻量化机械硬件、低电阻电机驱动电路和低能量耗散运动控制策略得以提升。

RAIBO2在单次充电下以4小时19分52秒完成全程马拉松,实现了0.25的总运输成本,超越了人类0.37的基准。

与现有四足机器人相比,RAIBO2每次充电的行驶里程是其三倍以上。这一能效突破为电池寿命至关重要的长时间户外应用铺平了道路。

▲ Abstract:

Here we show RAIBO2, an energy-efficient quadruped developed through a comprehensive analysis of its overall energy-loss model. Efficiency is enhanced through a force-transparent, lightweight mechanical hardware, a low-resistance motor driving circuit and a low-energy-dissipation locomotion policy. RAIBO2 completed a full marathon in 4?hours, 19?minutes and 52?seconds on a single battery charge7, achieving a total cost of transport of 0.25: surpassing the human benchmark of 0.37. Compared with existing quadrupeds, RAIBO2 offers more than three times the travel range per battery charge. This breakthrough in energy efficiency paves the way for extended outdoor applications in which prolonged battery life is critical.
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