arXiv:2603.06773cs.RO2026-03

通过模拟探索稳定状态,生成多样化的机器人长时序操作动作。

Stability-Guided Exploration for Diverse Motion Generation

  • 结合RRT与采样MPC,从稳定态流形中采样搜索树。
  • 无需任务引导,可发现推、抓、抛等10种以上操作策略。
  • 适用于不同机械结构的机器人,适合需多样化动作生成场景。

扩大数据集对提升深度学习模型性能极为有效,尤其在机器人学习领域。然而,数据采集仍是瓶颈:依赖人类示范的方法成本高且范围窄,难以充分探索可行状态空间。合成数据生成可缓解此问题,但现有技术多基于局部轨迹优化,难产生多样性解。本文提出一种新方法,通过黑箱仿真实现多样长时序操作生成。该方法融合RRT式搜索与采样型MPC,引入新型采样策略,引导探索向稳定构型集中。具体而言,在不限制规划器仅使用稳定运动的前提下,直接通过仿真生长搜索树,并从稳定态流形中采样。实验表明,该方法可在无任务特定指导情况下,为多种机器人形态发现包括推、抓、旋转、投掷及工具使用在内的多样化操作策略。

原文摘要 · Abstract (English)

Scaling up datasets is highly effective in improving the performance of deep learning models, including in the field of robot learning. However, data collection still proves to be a bottleneck. Approaches relying on collecting human demonstrations are labor-intensive and inherently limited: they tend to be narrow, task-specific, and fail to adequately explore the full space of feasible states. Synthetic data generation could remedy this, but current techniques mostly rely on local trajectory optimization and fail to find diverse solutions. In this work, we propose a novel method capable of finding diverse long-horizon manipulations through black-box simulation. We achieve this by combining an RRT-style search with sampling-based MPC, together with a novel sampling scheme that guides the exploration toward stable configurations. Specifically, we sample from a manifold of stable states while growing a search tree directly through simulation, without restricting the planner to purely stable motions. We demonstrate the method's ability to discover diverse manipulation strategies, including pushing, grasping, pivoting, throwing, and tool use, across different robot morphologies, without task-specific guidance.

机器人学习动作生成多样性探索仿真生成

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