{ "env_cfg": { "urdf_path": "urdf/go2/urdf/go2.urdf", "links_to_keep": [ "FL_foot", "FR_foot", "RL_foot", "RR_foot" ], "num_actions": 12, "num_dofs": 12, "default_joint_angles": { "FL_hip_joint": 0.0, "FR_hip_joint": 0.0, "RL_hip_joint": 0.0, "RR_hip_joint": 0.0, "FL_thigh_joint": 0.8, "FR_thigh_joint": 0.8, "RL_thigh_joint": 1.0, "RR_thigh_joint": 1.0, "FL_calf_joint": -1.5, "FR_calf_joint": -1.5, "RL_calf_joint": -1.5, "RR_calf_joint": -1.5 }, "dof_names": [ "FR_hip_joint", "FR_thigh_joint", "FR_calf_joint", "FL_hip_joint", "FL_thigh_joint", "FL_calf_joint", "RR_hip_joint", "RR_thigh_joint", "RR_calf_joint", "RL_hip_joint", "RL_thigh_joint", "RL_calf_joint" ], "termination_contact_link_names": [ "base" ], "penalized_contact_link_names": [ "base", "thigh", "calf" ], "feet_link_names": [ "foot" ], "base_link_name": [ "base" ], "PD_stiffness": { "joint": 30.0 }, "PD_damping": { "joint": 1.5 }, "use_implicit_controller": false, "termination_if_roll_greater_than": 100, "termination_if_pitch_greater_than": 100, "termination_if_height_lower_than": 0.0, "base_init_pos": [ 0.0, 0.0, 0.42 ], "base_init_quat": [ 1.0, 0.0, 0.0, 0.0 ], "push_interval_s": -1, "max_push_vel_xy": 1.0, "episode_length_s": 20.0, "resampling_time_s": 4.0, "command_type": "ang_vel_yaw", "action_scale": 0.25, "action_latency": 0.02, "clip_actions": 100.0, "send_timeouts": true, "control_freq": 60, "decimation": 4, "feet_geom_offset": 1, "use_terrain": false, "dofs_position_rand_range": 0.3, "base_position_rand_range": 1.0, "randomize_base_yaw": true, "randomize_friction": false, "randomize_trajectory_heading": true, "friction_range": [ 0.2, 1.5 ], "randomize_base_mass": true, "added_mass_range": [ -1.0, 3.0 ], "randomize_com_displacement": true, "com_displacement_range": [ -0.01, 0.01 ], "randomize_motor_strength": false, "motor_strength_range": [ 0.9, 1.1 ], "randomize_motor_offset": true, "motor_offset_range": [ -0.02, 0.02 ], "randomize_kp_scale": true, "kp_scale_range": [ 0.8, 1.2 ], "randomize_kd_scale": true, "kd_scale_range": [ 0.8, 1.2 ], "coupling": false, "ref_state_init_prob": 0.9, "warmup_time_s": 0.0, "terminate_dist_threshold": 1.0, "terminate_rot_threshold": 1.5707963267948966, "perturb_init_state": true, "policy_steps_per_ref_motion_step": 1 }, "obs_cfg": { "num_obs": 31, "num_history_obs": 3, "obs_noise": { "ang_vel": 0.0, "gravity": 0.0, "dof_pos": 0.0, "dof_vel": 0.0 }, "obs_scales": { "lin_vel": 1.0, "ang_vel": 1.0, "dof_pos": 1.0, "dof_vel": 1.0 } }, "reward_cfg": { "tracking_sigma": 0.25, "soft_dof_pos_limit": 0.9, "base_height_target": 0.3, "reward_scales": { "joint_rot": 0.008333333333333333, "joint_vel": 0.0008333333333333334, "end_effector_pos": 0.0033333333333333335, "root_pose": 0.0025, "root_vel": 0.0016666666666666668 } }, "command_cfg": { "num_commands": 3, "lin_vel_x_range": [ -1.0, 1.0 ], "lin_vel_y_range": [ -1.0, 1.0 ], "ang_vel_range": [ -1.0, 1.0 ] }, "policy_cfg": { "algorithm": { "class_name": "PPO", "clip_param": 0.2, "desired_kl": 0.01, "entropy_coef": 0.01, "gamma": 0.99, "lam": 0.95, "learning_rate": 0.001, "max_grad_norm": 1.0, "num_learning_epochs": 5, "num_mini_batches": 4, "schedule": "adaptive", "use_clipped_value_loss": true, "value_loss_coef": 1.0 }, "init_member_classes": {}, "policy": { "activation": "elu", "actor_hidden_dims": [ 512, 256, 128 ], "critic_hidden_dims": [ 512, 256, 128 ], "init_noise_std": 1.0, "class_name": "ActorCritic" }, "runner": { "checkpoint": -1, "experiment_name": "walk06", "load_run": -1, "log_interval": 1, "max_iterations": 5000, "record_interval": -1, "resume": false, "resume_path": null }, "runner_class_name": "OnPolicyRunner", "num_steps_per_env": 24, "save_interval": 100, "empirical_normalization": null, "seed": 1, "logger": "wandb", "wandb_mode": "online", "project": "imitation_dataset_v3", "entity": "quadruped-rl", "group": null, "obs_groups": { "policy": [ "policy" ], "critic": [ "policy" ] }, "motion_range": [ 200, 392 ] } }