update codes
This commit is contained in:
75
codes/DQN/task0.py
Normal file
75
codes/DQN/task0.py
Normal file
@@ -0,0 +1,75 @@
|
||||
import sys
|
||||
import os
|
||||
curr_path = os.path.dirname(os.path.abspath(__file__)) # 当前文件所在绝对路径
|
||||
parent_path = os.path.dirname(curr_path) # 父路径
|
||||
sys.path.append(parent_path) # 添加路径到系统路径
|
||||
|
||||
import gym
|
||||
import torch
|
||||
import datetime
|
||||
from common.utils import save_results, make_dir
|
||||
from common.utils import plot_rewards
|
||||
from DQN.agent import DQN
|
||||
from DQN.train import train,test
|
||||
|
||||
curr_time = datetime.datetime.now().strftime("%Y%m%d-%H%M%S") # 获取当前时间
|
||||
algo_name = "DQN" # 算法名称
|
||||
env_name = 'CartPole-v0' # 环境名称
|
||||
|
||||
class DQNConfig:
|
||||
def __init__(self):
|
||||
self.algo_name = algo_name # 算法名称
|
||||
self.env_name = env_name # 环境名称
|
||||
self.device = torch.device(
|
||||
"cuda" if torch.cuda.is_available() else "cpu") # 检测GPU
|
||||
self.train_eps = 200 # 训练的回合数
|
||||
self.eval_eps = 30 # 测试的回合数
|
||||
# 超参数
|
||||
self.gamma = 0.95 # 强化学习中的折扣因子
|
||||
self.epsilon_start = 0.90 # e-greedy策略中初始epsilon
|
||||
self.epsilon_end = 0.01 # e-greedy策略中的终止epsilon
|
||||
self.epsilon_decay = 500 # e-greedy策略中epsilon的衰减率
|
||||
self.lr = 0.0001 # 学习率
|
||||
self.memory_capacity = 100000 # 经验回放的容量
|
||||
self.batch_size = 64 # mini-batch SGD中的批量大小
|
||||
self.target_update = 4 # 目标网络的更新频率
|
||||
self.hidden_dim = 256 # 网络隐藏层
|
||||
class PlotConfig:
|
||||
def __init__(self) -> None:
|
||||
self.algo = algo_name # 算法名称
|
||||
self.env_name = env_name # 环境名称
|
||||
self.device = torch.device(
|
||||
"cuda" if torch.cuda.is_available() else "cpu") # 检测GPU
|
||||
self.result_path = curr_path + "/outputs/" + self.env_name + \
|
||||
'/' + curr_time + '/results/' # 保存结果的路径
|
||||
self.model_path = curr_path + "/outputs/" + self.env_name + \
|
||||
'/' + curr_time + '/models/' # 保存模型的路径
|
||||
self.save = True # 是否保存图片
|
||||
|
||||
def env_agent_config(cfg, seed=1):
|
||||
''' 创建环境和智能体
|
||||
'''
|
||||
env = gym.make(cfg.env_name) # 创建环境
|
||||
env.seed(seed) # 设置随机种子
|
||||
state_dim = env.observation_space.shape[0] # 状态数
|
||||
action_dim = env.action_space.n # 动作数
|
||||
agent = DQN(state_dim, action_dim, cfg) # 创建智能体
|
||||
return env, agent
|
||||
|
||||
|
||||
cfg = DQNConfig()
|
||||
plot_cfg = PlotConfig()
|
||||
# 训练
|
||||
env, agent = env_agent_config(cfg, seed=1)
|
||||
rewards, ma_rewards = train(cfg, env, agent)
|
||||
make_dir(plot_cfg.result_path, plot_cfg.model_path) # 创建保存结果和模型路径的文件夹
|
||||
agent.save(path=plot_cfg.model_path) # 保存模型
|
||||
save_results(rewards, ma_rewards, tag='train',
|
||||
path=plot_cfg.result_path) # 保存结果
|
||||
plot_rewards(rewards, ma_rewards, plot_cfg, tag="train") # 画出结果
|
||||
# 测试
|
||||
env, agent = env_agent_config(cfg, seed=10)
|
||||
agent.load(path=plot_cfg.model_path) # 导入模型
|
||||
rewards, ma_rewards = test(cfg, env, agent)
|
||||
save_results(rewards, ma_rewards, tag='test', path=plot_cfg.result_path) # 保存结果
|
||||
plot_rewards(rewards, ma_rewards, plot_cfg, tag="test") # 画出结果
|
||||
Reference in New Issue
Block a user