VLA+在线RL
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深扒PI*0.6迭代式强化学习来源:VLA+在线RL实现具身进化
自动驾驶之心· 2025-12-13 02:04
Core Insights - The article discusses the significance of the π*0.6 iterative reinforcement learning approach in the context of VLA (Vision-Language-Action) models, highlighting its potential for self-improvement in robotics [2][3] - It emphasizes the limitations of imitation learning and the necessity of reinforcement learning for robust and persistent robot performance [8][11] Group 1: Importance of VLA+RL - VLA+RL is crucial as it allows robots to learn from real-world interactions, overcoming the limitations of offline reinforcement learning which is constrained by the quality of demonstration data [4][8] - The article outlines that while imitation learning can enable robots to perform actions, it does not guarantee consistent success in novel situations [8][11] Group 2: Challenges in Applying Reinforcement Learning to VLA - The article identifies three main challenges in applying reinforcement learning to VLA: environmental differences, model instability, and computational demands [21][22] - It discusses the risk of catastrophic forgetting and model collapse when directly applying RL algorithms to large VLA models [22][24] Group 3: iRe-VLA Model and Its Architecture - The iRe-VLA model features a two-phase iterative learning process, combining exploration through online reinforcement learning and consolidation through supervised learning [17][24] - The architecture consists of a VLM (Vision-Language Model) for understanding and an Action Head for executing actions, utilizing techniques like LoRA for efficient training [19][20] Group 4: Experimental Results and Analysis - Experiments conducted in both simulated and real-world environments demonstrate the effectiveness of the iRe-VLA approach, showing significant improvements in task success rates [44][48] - The iRe-VLA model outperformed traditional methods, achieving a success rate increase from 43% to 83% in benchmark tasks [48][50] Group 5: Conclusion and Future Directions - The article concludes that the iRe-VLA framework provides a viable solution for deploying large models in robotic control, addressing challenges in stability, efficiency, and continuous learning [60][62] - It suggests that there are numerous research opportunities ahead, particularly in efficient exploration and scalable RL algorithms for VLA [62][63]
深扒PI π*0.6迭代式强化学习思路:VLA+在线RL,实现自我进化
具身智能之心· 2025-12-07 03:03
见证具身浪潮,书写智能新纪元 以下文章来源于具身纪元 ,作者具身纪元 具身纪元 . 更多干货,欢迎加入国内首个具身智能全栈学习社区: 具身智能之心知识星球(戳我) ,这里包含所有你想要的! 在Physical Intelligence 最新的成果π 0.6 论文里,他们介绍了 π 0 .6迭代式强化学习的思路来源: 其中有我们熟悉的Yuke Zhu的研究,也有他们自己(Chelsea Finn、Sergey Levine)的一些研究,我们之前对这些工作一直有跟踪和介绍。此外,还有来自国内具身智能团队的 工作,比如清华大学、星动纪元的研究。 随着π*0.6的发布,VLA+online RL成为了一个行业共识的非常有前景的研究方向 深扒了Π*0.6的论文,发现它不止于真实世界强化 学习 英伟达也来做VLA在真实世界自我改进的方法了 大语言模型从SFT到RL的发展方向也逐渐在具身研究中清晰明朗。 一、为什么VLA+RL很重要 编辑丨 具身纪元 点击下方 卡片 ,关注" 具身智能之心 "公众号 >> 点击进入→ 具身 智能之心 技术交流群 图注:VLA模型依赖研读微调 在具身智能(Embodied AI)领域,科学家 ...