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PPO Agent playing Walker2DBulletEnv-v0

This is a trained model of a PPO agent playing Walker2DBulletEnv-v0 using the stable-baselines3 library and the RL Zoo.

The RL Zoo is a training framework for Stable Baselines3 reinforcement learning agents, with hyperparameter optimization and pre-trained agents included.

Usage (with SB3 RL Zoo)

RL Zoo: https://github.com/DLR-RM/rl-baselines3-zoo
SB3: https://github.com/DLR-RM/stable-baselines3
SB3 Contrib: https://github.com/Stable-Baselines-Team/stable-baselines3-contrib

# Download model and save it into the logs/ folder
python -m utils.load_from_hub --algo ppo --env Walker2DBulletEnv-v0 -orga sb3 -f logs/
python enjoy.py --algo ppo --env Walker2DBulletEnv-v0  -f logs/

Training (with the RL Zoo)

python train.py --algo ppo --env Walker2DBulletEnv-v0 -f logs/
# Upload the model and generate video (when possible)
python -m utils.push_to_hub --algo ppo --env Walker2DBulletEnv-v0 -f logs/ -orga sb3

Hyperparameters

OrderedDict([('batch_size', 128),
             ('clip_range', 'lin_0.4'),
             ('ent_coef', 0.0),
             ('env_wrapper', 'sb3_contrib.common.wrappers.TimeFeatureWrapper'),
             ('gae_lambda', 0.92),
             ('gamma', 0.99),
             ('learning_rate', 3e-05),
             ('max_grad_norm', 0.5),
             ('n_envs', 16),
             ('n_epochs', 20),
             ('n_steps', 512),
             ('n_timesteps', 2000000.0),
             ('normalize', True),
             ('policy', 'MlpPolicy'),
             ('policy_kwargs',
              'dict(log_std_init=-2, ortho_init=False, activation_fn=nn.ReLU, '
              'net_arch=[dict(pi=[256, 256], vf=[256, 256])] )'),
             ('sde_sample_freq', 4),
             ('use_sde', True),
             ('vf_coef', 0.5),
             ('normalize_kwargs', {'norm_obs': True, 'norm_reward': False})])
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