外观
论文arXiv 2307.105332023-07-20
步到步动力学方法实现人形机器人全身动态遥操作同步行走
本文由 AI 根据公开内容整理，可能有误，请以原文为准：Whole-Body Dynamic Telelocomotion: A Step-to-Step Dynamics Approach to Human Walking Reference Generation（arXiv 2307.10533）
核心内容
针对人形机器人在危险环境遥操作中难以实现全身动态同步的痛点，该研究提出一种基于步到步动力学的全身动态遥操作框架。通过在虚拟人行走接口中嵌入双足行走的混合与欠驱动特性，解决了人机动态一致性难题。实时仿真实验表明，受训操作员能与仿真双足机器人实现动态同步，支持0.0至0.3 m/s变速行走及最长2.0 m的后退运动，验证了该方法在提升遥操作鲁棒性方面的有效性。
技术方案核心在于将反应式机器人控制器集成至全身动态遥操作框架，使遥操作指令直接映射至双足机器人全身动力学模型。系统通过虚拟接口捕获人类运动意图并生成符合物理约束的参考步态，确保了下肢欠驱动系统的稳定性。该架构不仅实现了前进速度的精确调节，还突破了传统遥操作难以稳定后退的限制，为未来人形机器人作为人类物理化身在复杂非结构化环境中的高精度作业奠定了算法基础。
关键看点
- 步到步动力学：将双足行走混合欠驱动特性嵌入虚拟接口，生成动态一致参考步态
- 全身控制集成：融合反应式控制器与遥操作框架，实现指令到全身动力学的实时映射
- 量化性能指标：仿真验证支持0.0-0.3m/s调速及2.0m稳定后退，确保持续动态同步
- 鲁棒性增强：解决人机动态失配问题，提升非结构化环境下物理化身的操作可靠性
工程与产业观察
该工作为人形机器人遥操作提供了从运动学映射迈向动力学同步的关键范式。通过将欠驱动约束前置到参考生成环节，有效缓解了Sim-to-Real迁移中的稳定性鸿沟。对于具身智能数据采集而言，这种高保真动态同步机制是获取高质量人类运动示教数据、训练泛化策略模型的重要基础设施，具有显著的工程参考价值。
英文摘要 (Abstract)
Teleoperated humanoid robots hold significant potential as physical avatars for humans in hazardous and inaccessible environments, with the goal of channeling human intelligence and sensorimotor skills through these robotic counterparts. Precise coordination between humans and robots is crucial for accomplishing whole-body behaviors involving locomotion and manipulation. To progress successfully, dynamic synchronization between humans and humanoid robots must be achieved. This work enhances advancements in whole-body dynamic telelocomotion, addressing challenges in robustness. By embedding the hybrid and underactuated nature of bipedal walking into a virtual human walking interface, we achieve dynamically consistent walking gait generation. Additionally, we integrate a reactive robot controller into a whole-body dynamic telelocomotion framework. Thus, allowing the realization of telelocomotion behaviors on the full-body dynamics of a bipedal robot. Real-time telelocomotion simulation experiments validate the effectiveness of our methods, demonstrating that a trained human pilot can dynamically synchronize with a simulated bipedal robot, achieving sustained locomotion, controlling walking speeds within the range of 0.0 m/s to 0.3 m/s, and enabling backward walking for distances of up to 2.0 m. This research contributes to advancing teleoperated humanoid robots and paves the way for future developments in synchronized locomotion between humans and bipedal robots.
作者：Guillermo Colin, Joseph Byrnes, Youngwoo Sim, Patrick Wensing, Joao Ramos
来源
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