破解柔性物体操作难题,让机器人更灵活应对复杂场景。
A Perspective on Open Challenges in Deformable Object Manipulation
- 融合多视角与触觉感知,缓解遮挡问题。
- 结合物理约束强化学习,提升控制精度与实时性。
- 适合机器人、智能制造等领域研究者参考。
柔性物体操作(DOM)是机器人领域的关键挑战,应用涵盖医疗、制造、食品加工等。与刚性物体不同,柔性物体具有无限维度、动态形变及复杂环境交互特性,给感知、建模和控制带来巨大困难。本文综述了DOM的最新进展,聚焦遮挡处理、任务泛化和可扩展实时解决方案等核心挑战。介绍了多模态感知系统的发展,包括多相机布局、主动视觉与触觉传感的融合,有效缓解遮挡并增强在非结构化环境中的适应性。探讨了基于物理信息的强化学习与可微分仿真技术,显著提升了效率、精度与可扩展性。强调了模拟专家示范与生成式神经网络在统一任务定义、缩小仿真到现实差距方面的潜力。最后提出未来方向:采用图神经网络进行高层决策,构建综合性数据集以提升实际应用能力。解决这些挑战将推动具备多样化动态任务处理能力的通用机器人系统发展。
原文摘要 · Abstract (English)
Deformable object manipulation (DOM) represents a critical challenge in robotics, with applications spanning healthcare, manufacturing, food processing, and beyond. Unlike rigid objects, deformable objects exhibit infinite dimensionality, dynamic shape changes, and complex interactions with their environment, posing significant hurdles for perception, modeling, and control. This paper reviews the state of the art in DOM, focusing on key challenges such as occlusion handling, task generalization, and scalable, real-time solutions. It highlights advancements in multimodal perception systems, including the integration of multi-camera setups, active vision, and tactile sensing, which collectively address occlusion and improve adaptability in unstructured environments. Cutting-edge developments in physically informed reinforcement learning (RL) and differentiable simulations are explored, showcasing their impact on efficiency, precision, and scalability. The review also emphasizes the potential of simulated expert demonstrations and generative neural networks to standardize task specifications and bridge the simulation-to-reality gap. Finally, future directions are proposed, including the adoption of graph neural networks for high-level decision-making and the creation of comprehensive datasets to enhance DOM's real-world applicability. By addressing these challenges, DOM research can pave the way for versatile robotic systems capable of handling diverse and dynamic tasks with deformable objects.
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