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+ # 智元机器人过拟合VLA数据集
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+
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+ ## 数据集信息
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+ - **目标**: 训练过拟合的VLA模型,专门用于固定场景和固定任务
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+ - **机器人类型**: agibot_g01
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+ - **数据频率**: 10 Hz
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+ - **Episode数量**: 1
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+ - **总帧数**: 90
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+ - **数据来源**: 使用真实的控制指令,保持正确的因果关系
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+
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+ ## 过拟合VLA模型特点
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+
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+ ### 优势
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+ 1. **专门优化**: 针对特定场景和任务进行深度优化
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+ 2. **高精度**: 在训练环境中可以达到极高的执行精度
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+ 3. **稳定性**: 在固定条件下表现非常稳定
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+ 4. **快速部署**: 无需考虑泛化,可以快速部署到生产环境
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+
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+ ### 适用场景
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+ - 工业自动化中的重复性任务
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+ - 固定环境下的精密操作
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+ - 需要高精度和高稳定性的应用
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+ - 概念验证和演示系统
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+
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+ ## 数据格式
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+
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+ ### 观察空间
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+ - `image`: 头部相机图像 (256x256x3) - 主要视觉输入
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+ - `hand_left_image`: 左手相机图像 (256x256x3) - 细节视角
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+ - `hand_right_image`: 右手相机图像 (256x256x3) - 细节视角
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+ - `state`: 16维状态 (14关节 + 2夹爪,夹爪归一化到[0,1])
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+
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+ ### 动作空间
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+ - `actions`: 16维动作 (14关节 + 2夹爪,夹爪归一化到[0,1])
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+ - **重要**: 使用真实的控制指令,不是从状态计算得出
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+
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+ ### 数据质量保证
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+ - **时间同步**: 精确的时间戳对齐
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+ - **高质量插值**: 使用线性插值保持数据平滑性
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+ - **因果关系**: 当前观察 → 真实控制指令 → 未来状态
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+ - **数据完整性**: 完整的状态-动作-图像三元组
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+
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+ ## VLA模型训练建议
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+
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+ ### 1. 模型架构
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+ ```python
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+ # 推荐的VLA架构
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+ class OverfittingVLA(nn.Module):
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+ def __init__(self):
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+ # 视觉编码器
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+ self.vision_encoder = ...
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+ # 状态编码器
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+ self.state_encoder = ...
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+ # 动作解码器
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+ self.action_decoder = ...
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+
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+ def forward(self, image, state):
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+ # 融合视觉和状态信息
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+ # 输出动作预测
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+ return actions
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+ ```
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+
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+ ### 2. 训练策略
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+ - **学习率**: 较高的学习率 (1e-3 到 1e-4)
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+ - **批次大小**: 根据GPU内存调整 (16-64)
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+ - **训练轮数**: 多轮训练直到完全过拟合
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+ - **损失函数**: MSE或Huber损失
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+ - **优化器**: Adam或AdamW
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+
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+ ### 3. 验证方法
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+ - **训练集验证**: 在训练数据上达到极低损失
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+ - **轨迹重现**: 能够精确重现训练轨迹
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+ - **实际部署**: 在相同环境中测试执行效果
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+
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+ ## 部署使用
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+
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+ ### 推理代码示例
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+ ```python
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+ from lerobot.datasets.lerobot_dataset import LeRobotDataset
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+
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+ # 加载数据集
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+ dataset = LeRobotDataset("agibot_vla_overfitting_vla_1756881522", root="/media/tapall/Elements/Converted_Lerobot_Data/Lerobot_Test_Glue")
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+
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+ # 加载训练好的VLA模型
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+ model = load_vla_model("path/to/model.pth")
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+
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+ # 推理循环
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+ def inference_loop():
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+ while True:
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+ # 获取当前观察
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+ current_image = get_camera_image()
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+ current_state = get_robot_state()
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+
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+ # VLA模型预测
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+ predicted_action = model(current_image, current_state)
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+
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+ # 执行动作
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+ execute_action(predicted_action)
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+
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+ # 等待执行完成
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+ wait_for_completion()
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+ ```
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+
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+ ### 控制指令转换
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+ ```python
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+ def convert_to_robot_commands(action_16d):
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+ # 分离关节和夹爪动作
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+ joint_action = action_16d[:14]
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+ gripper_action = action_16d[14:]
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+
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+ # 转换夹爪动作到实际位置
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+ gripper_positions_mm = gripper_action * 120.0
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+
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+ # 构造智元G01控制指令
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+ joint_dict = {
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+ 'left_arm': joint_action[:7].tolist(),
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+ 'right_arm': joint_action[7:14].tolist(),
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+ 'left_tool': [gripper_positions_mm[0]],
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+ 'right_tool': [gripper_positions_mm[1]]
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+ }
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+
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+ return joint_dict
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+ ```
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+
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+ ## 注意事项
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+
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+ 1. **环境一致性**: 确保部署环境与训练环境完全一致
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+ 2. **传感器校准**: 保持相机和传感器的一致性
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+ 3. **安全措施**: 在实际部署前进行充分的安全测试
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+ 4. **性能监控**: 持续监控模型在实际环境中的表现
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+
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+ ## 技术支持
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+
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+ 如果在使用过程中遇到问题,请检查:
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+ - 数据格式是否正确
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+ - 模型输入输出维度是否匹配
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+ - 环境配置是否一致
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+ - 硬件连接是否正常
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+
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+ 创建时间: 2025-09-03 14:38:45
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images/hand_left_image/episode_000000/frame_000039.png ADDED

Git LFS Details

  • SHA256: e208cf740bb703f06789f54f46742ed434500f99c62e74cec576de0336fa91c2
  • Pointer size: 130 Bytes
  • Size of remote file: 97.6 kB
images/hand_left_image/episode_000000/frame_000040.png ADDED

Git LFS Details

  • SHA256: 83af28e92f456476f206066ed58ef62960d1b76c6bbe6cd827c518876e947b7b
  • Pointer size: 130 Bytes
  • Size of remote file: 97.1 kB
images/hand_left_image/episode_000000/frame_000041.png ADDED

Git LFS Details

  • SHA256: 385229762807b4330aad6839d17ffcac8cfd3908286e291d1248ba42e0aa4c18
  • Pointer size: 130 Bytes
  • Size of remote file: 96.6 kB
images/hand_left_image/episode_000000/frame_000042.png ADDED

Git LFS Details

  • SHA256: d12cca0f78a92fa23284505d0011b6c9d0fe912fc55e2710d32210648c6decbb
  • Pointer size: 130 Bytes
  • Size of remote file: 96.1 kB
images/hand_left_image/episode_000000/frame_000043.png ADDED

Git LFS Details

  • SHA256: 627d5b5bbc86dd7dfa36de27eda8e32c3e42f50e53698b901799ab70be446ce3
  • Pointer size: 130 Bytes
  • Size of remote file: 96 kB
images/hand_left_image/episode_000000/frame_000044.png ADDED

Git LFS Details

  • SHA256: 236b6a9ca64ee85f7e4524d7cc1c0dc429ed2898c0e19a4a12cb972fe6396ae0
  • Pointer size: 130 Bytes
  • Size of remote file: 96 kB
images/hand_left_image/episode_000000/frame_000045.png ADDED

Git LFS Details

  • SHA256: a280ef379e6f63ff03fea16918ecf93cdbe080611bbd727cc10839fa9dfc829b
  • Pointer size: 130 Bytes
  • Size of remote file: 95.6 kB
images/hand_left_image/episode_000000/frame_000046.png ADDED

Git LFS Details

  • SHA256: 805eb4d00dda2baf44c4a43ae12772b767fed1611444499d1657d81ec5403268
  • Pointer size: 130 Bytes
  • Size of remote file: 95.9 kB