机器人学习现状！PI团队内部员工分享（从数采到VLA再到RL）

Core Insights - The article discusses the current state of robot learning as of December 2025, emphasizing that most systems rely on behavior cloning (BC) and the challenges associated with it [5][40][39] - It highlights the importance of human demonstrations in training robot learning systems and the need for innovative approaches to improve performance and robustness [72][73] Group 1: Behavior Cloning and Its Challenges - As of December 2025, all robot learning systems primarily utilize behavior cloning, where human demonstrations are used to train models to mimic actions [5][6] - The challenges of behavior cloning include the inability to generalize beyond the training data, leading to performance issues in real-world applications [16][21][23] - The article outlines the difficulties in collecting high-quality demonstration data and the need for diverse and representative datasets to improve model training [7][12][19] Group 2: Future Directions and Innovations - The article predicts that within two years, video models will replace current visual-language architectures in robot learning [72] - It suggests that world models will effectively simulate general open-world interactions within ten years, enhancing the capabilities of robot learning systems [72] - The need for a robust human demonstration system that can effectively address the challenges of data collection and model training is emphasized as a key area for future development [73][76]