I am getting errors trying to train an RL DDPG Agent

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Mxolisi
Mxolisi 2024-7-26
回答： Shantanu Dixit 2024-8-6
Error using rl.internal.train.OffPolicyTrainer/run_internal_/nestedRunEpisode (line 284)
An error occurred while running the simulation for model 'RLmxolisifinal' with the following RL agent blocks:
RLmxolisifinal/RL Agent
Error in rl.internal.train.OffPolicyTrainer/run_internal_ (line 351)
out = nestedRunEpisode(policy);
Error in rl.internal.train.OffPolicyTrainer/run_ (line 40)
result = run_internal_(this);
Error in rl.internal.train.Trainer/run (line 8)
result = run_(this);
Error in rl.internal.trainmgr.OnlineTrainingManager/run_ (line 112)
trainResult = run(trainer);
Error in rl.internal.trainmgr.TrainingManager/run (line 4)
result = run_(this);
Error in rl.agent.AbstractAgent/train (line 86)
trainingResult = run(tm);
Caused by:
Error using rl.env.internal.reportSimulinkSimError (line 29)
Unable to find system or file 'rRLmxolisifinal'.
  1 个评论
Alan
Alan 2024-8-6
Hi Mxolisi,
Could you provide some details of your setup? Preferably your simulink model and the training script if you are using one.

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回答（1 个）

Shantanu Dixit
Shantanu Dixit 2024-8-6
Hi Mxolisi, it seems that the system or file 'rRLmxolisifinal' cannot be found. Following could be the possible steps to troubleshoot the issue.
  • Check the model name is correctly specified as 'rRLmxolisifinal', since the model names are case-sensitive.
  • Verify that the model file is in the current working directory. To locate the path use 'which' command, you can add the file to the current working directory using 'addpath'.
  • Ensure the model exists, is not corrupted and can be compiled.
Refer to the below MathWorks documentation for locating and adding file to the current directory:

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