合成监督与场景图组合实现跨站点空中操作,MPAR对齐执行进度
该预印本提出统一框架,将局部全身VLA行为组合为场景级空中操作。在仿真中完成21/50个跨站点任务(42.0%),物理平台验证了2/5次取水浇花任务。关键贡献包括无需真实平台演示的合成训练、MPAR对齐异步动作块,以及场景图引导的可行交接与拓扑转移。
机器人与具身智能领域的最新论文,以及每篇对产业的意义。
该预印本提出统一框架,将局部全身VLA行为组合为场景级空中操作。在仿真中完成21/50个跨站点任务(42.0%),物理平台验证了2/5次取水浇花任务。关键贡献包括无需真实平台演示的合成训练、MPAR对齐异步动作块,以及场景图引导的可行交接与拓扑转移。
这篇arXiv预印本提出了PrefPI,一种仅用相对偏好反馈、迭代式引导预训练生成式机器人策略移出其初始有效支持范围的框架。它通过偏好条件生成建模与分类器无关引导(CFG)放大偏好信号,在真机上仅用150条偏好标注轨迹就将物体搬运高度从10.7厘米提升到19.8厘米。该方法为机器人行为对齐用户偏好提供了轻量级路径。
这是一篇arXiv预印本,尚未经过同行评审。作者以π0.5为基线,在双臂真机上测量了从相机、本体感知到命令响应的端到端延迟,并提出两阶段非均匀Flow Matching去噪,把推理步数从10步减到2步,模型推理时间从61.557毫秒降到21.956毫秒。在30次叠衣真机试验中,训练型方法Legato和免训练方法Temporal Smoothing表现最好;把两阶段去噪与这两种方法结合,推理成本大幅下降,但任务成功率有小幅回落。
EWAM是一种以动作流为核心的一体化具身模型,通过非对称联合注意力让动作token在每层读取语义、当前视觉、预测未来和动作信息。在RoboTwin clean-to-random测试中达到72.1%,LIBERO平均98.8%,并在多个真实机器人上超过VLA、WAM和混合基线。该预印本显示统一训练可诱导从语义理解、视觉预测到动作生成的内部有序计算,且人类自我中心数据可提升跨具身迁移和真实场景鲁棒性。
Vision-language-action (VLA) models have advanced robotic manipulation, but their zero-shot generalization in new tasks and environments remains limited, and their reliance on specialized training keeps them from benefiting directly from rapidly advancing general-purpose vision-language models (VLMs). In parallel, recent agentic robotic systems leverage VLMs for high-level reasoning or coding agents for robot control, but often depend on extensive external models and tools, introducing additional complexity and cost.
Visual Language Action (VLA) models offer unprecedented generalization for autonomous robots; however, their real-world deployment is frequently bottlenecked by unreliable execution and the prohibitive computational cost of fine-tuning for specific robot embodiments and tasks. To bridge this gap, we propose WayFinder, an end-to-end, closed-loop hierarchical VLA framework that circumvents the need for fine-tuning by decoupling high-level task reasoning from low-level kinematic control.
这篇预印本提出自补偿VLA,在部署时利用指令与实际运动残差在线微调LoRA,让策略预补偿机器人执行误差。在RoboStress仿真基准和两台Piper机械臂上,该方法平均任务成功率相比基线提升超过30个百分点(真机),并在未见物体上保持提升。这为提升VLA在真实机器人上的长期可靠性提供了不依赖任务奖励的部署期适应方案。
Diffusion and flow-matching Vision-Language-Action (VLA) policies generate action chunks through iterative denoising, incurring substantial inference latency that severely limits real-time robotic control. Existing acceleration methods treat an action chunk as a monolithic computational unit, ignoring a crucial physical reality of receding-horizon control: actions are generated jointly but consumed sequentially, resulting in inherently heterogeneous execution urgencies.
Simulated manipulation benchmarks are the standard tool for evaluating vision-language-action (VLA) policies and the acceleration methods that reduce their inference latency for on-robot deployment. On these benchmarks, we observe that some training-free acceleration methods, which approximate the baseline policy's computation, achieve higher measured success rates than the baseline itself.
Vision-language-action (VLA) models typically operate on RGB images produced by a fixed camera image signal processor (ISP), leaving the imaging pipeline outside the learning and evaluation loop. We systematically examine the consequences of this overlooked design choice across five fundamental ISP dimensions: gain, sensor noise, chromatic response, tonal response, and bit depth.
General-purpose physical AI models must combine broad visual and linguistic capabilities with precise control across robot embodiments and efficient adaptation to downstream tasks. We introduce Rho, a family of open-weights VLA models for bimanual manipulation designed for data-light task adaptation on 3 embodiments representative of dual-arm robots across research labs and the industry -- YAM Box, UR AI Trainer, and FR3 Duo.
论文来自 arXiv 机器人领域。尚未生成摘要的论文,显示摘要开头部分。