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修改环境

my_minigrid/init.py 用register函数增加自定义环境 my_minigrid/envs/babyai/goto.py 里自定义环境MyGoToRedBallGrey, 主要是重写了step方法, 增加pick up动作的reward

train/visualize/evaluate

见rl-starter-files内对应的脚本, storage文件夹保存所有的输出

torch_ac

自带a2c和ppo实现的repo, 实现了algos/icmppo.py

目前的一些结果

  1. pick up的reward太小时模型还是能正常学习, 太大时虽然会发生mode collapse但是这时最后的return是比完成任务还高的, 也不能说模型这样就是错的
  2. icmppo里的intrinsic reward太小时还是会发生mode collapse, 太大时模型学不到任何东西
  3. 考虑用加了intrinsic reward的model做exploration, 真正的model不加intrinsic reward(感觉希望不大

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