Reinforcement Learning Agents generating zero episode/average reward!

2020 11 16
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更新时间：2021 4 15
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I have a multi agent rl environment. Reward functions written for each agents work perfectly but plotted episode reward is always zero. I am using 2-3 DDPG agents.

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Sunandan Adhikary
Sunandan Adhikary 2020-11-16
The isDone flags are zeroed. While the model had 2 agents, they used to work. But now on adding another agent, all of them just shows zero reward! And i followed those shipping examples to use the tool box for multiple agent.
I am just using a function block as a system and 3 ddpg agent objects, created in main file and used in simulink model. A helper block computes reward, observation matrix etc. for each agent. There are no errors in building the project, only during the training using these objects, plotted rewards are always zero.
Ari Biswas
Ari Biswas 2020-11-16
Please share a reproduction model and necessary files so that we can investigate this issue. You can also create a technical support case and share your files if you dont want to share them here.
Sunandan Adhikary
Sunandan Adhikary 2020-11-17
Thank you Ari. I have created a Support Case (04597325).

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