Add Wall-X serving and Turtle2 TCP WebSocket bridge
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三、仿真任务全流程(LIBERO 数据集微调+评估)
适用于单臂机器人仿真场景,基于 LeRobot 格式 LIBERO 数据集完成模型微调与仿真测试
3.1 下载 LIBERO 数据集
libero的huggingface路径:https://huggingface.co/datasets/lerobot/libero
huggingface-cli download lerobot/libero \
--repo-type dataset \
--local-dir /path/to/libero_all
3.2 配置训练 YAML 文件
复制官方示例配置,替换所有本地路径参数,适配本地环境
cp workspace/example/libero.yml /path/to/my_libero_config.yml
核心必填配置(需完整替换):
参考:https://github.com/X-Square-Robot/wall-x/blob/main/workspace/example/libero.yml
model:
config_path: /path/to/wall-oss-0.5/config.json # 模型配置文件路径
processor_path: /path/to/Qwen2.5-VL-3B-Instruct # 处理器路径
pretrained_path: /path/to/Qwen2.5-VL-3B-Instruct # 预训练基座路径
data:
lerobot_config:
repo_id: /path/to/libero_all # 本地LIBERO数据集根目录
norm_stats_path: /path/to/libero_all_norm_stats.json # 归一化统计文件
key_mappings: # 数据集字段映射(固定适配LIBERO)
camera:
observation.images.faceImg: face_view
observation.images.rightImg: right_wrist_view
state: observation.state
action: action
checkpoint:
save_path: /path/to/libero_training_output # 训练结果保存路径
resume_from: /path/to/wall-oss-0.5/model.safetensors # 预训练权重路径
dof_config配置
# Libero delta action: pos3 + rot3 + gripper1 = 7, plus action_padding(19) = 26.
dof_config:
master_right_ee_cartesian_pos: 3 # delta position
master_right_ee_rotation: 3 # delta rotation (ZYX euler)
master_right_gripper: 1
action_padding: 19
ar_dof_config:
master_right_ee_cartesian_pos: 3
master_right_ee_rotation: 3
master_right_gripper: 1
action_padding: 19
# State: pos3 + rot3 + gripper2 = 8, plus action_padding(18) = 26.
agent_pos_config:
follow_right_ee_cartesian_pos: 3
follow_right_ee_rotation: 3
follow_right_gripper: 2
action_padding: 18
action_horizon: 10
action_horizon_flow: 10
关键适配说明:LIBERO 为7维单臂动作,需通过配置中 action_padding 补全至26维,匹配模型预训练维度(参考示例配置注释)
3.3 生成数据集归一化统计文件
训练前必须执行,生成数据均值、方差统计文件,保证训练稳定性
python scripts/compute_norm_stats.py \
--train_config /path/to/my_libero_config.yml \
--data_root /path/to/libero_all \
--output_path /path/to/libero_all_norm_stats.json
执行完成后,需确认配置文件中 norm_stats_path 与输出路径一致
3.4 启动模型微调训练
硬件要求:单卡训练最低需要 48G 显存,多卡训练推荐开启 FSDP 分布式训练
单GPU训练命令
CUDA_VISIBLE_DEVICES=0 \
python wall_x/trainer/fsdp_trainer/train_fsdp.py \
--config /path/to/my_libero_config.yml
多GPU训练(推荐)
CUDA_VISIBLE_DEVICES=0,1,2,3 \
torchrun --nproc_per_node=4 \
wall_x/trainer/fsdp_trainer/train_fsdp.py \
--config /path/to/my_libero_config.yml
断点合并说明
多卡FSDP训练会生成分片权重文件,推理前需合并为完整权重:
python scripts/merge_sharded_weights.py \
/path/to/sharded_checkpoint \
/path/to/merged_checkpoint
3.5 LIBERO 仿真推理评估
批量测试模型在仿真场景的任务完成效果,支持指定任务套件、测试次数
前置依赖校验(未安装需重新执行仿真依赖安装命令):需提前安装 robosuite、MuJoCo、PyOpenGL 等仿真组件
常规批量评估
参考脚本:https://github.com/X-Square-Robot/wall-x/blob/main/scripts/run_libero.sh
CHECKPOINT_PATH=/path/to/checkpoint \
TRAIN_CONFIG_PATH=/path/to/my_libero_config.yml \
TASK_SUITE_NAME=libero_spatial \
NUM_TRIALS_PER_TASK=50 \
bash scripts/run_libero.sh
快速冒烟测试(调试用,单任务1次测试)
SMOKE=1 CHECKPOINT_PATH=/path/to/checkpoint bash scripts/run_libero.sh
核心环境变量说明
环境变量
参数说明
CHECKPOINT_PATH
训练完成的模型断点目录
TRAIN_CONFIG_PATH
训练使用的YAML配置文件路径
TASK_SUITE_NAME
仿真任务套件:libero_spatial / libero_object / libero_goal / libero_10
ALL_SUITES=1
开启后批量运行全部4类仿真任务套件
TASK_INDICES
指定测试任务序号,多任务用逗号分隔(如0,1,2)