get error runing TrainTD3Ag​entForPMSM​ControlExa​mple.mlx

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hai hu
hai hu 2024-4-8
编辑： MULI 2024-11-14，12:33
win10 matlabR2024a
try to run TrainTD3AgentForPMSMControlExample.mlx example
only change :
106 doTraining = true; %false;
i'm trying to train the agent again.
got error:
错误使用 rl.internal.train.OffPolicyTrainer/run_internal_/nestedRunEpisode (第 284 行)
'mcb_pmsm_foc_sim_RL/Current Control/Input Scaling/ Calculate Position and Speed/Speed Measurement' 中出错: 无法计算封装初始化命令。
出错 rl.internal.train.OffPolicyTrainer/run_internal_ (第 351 行)
out = nestedRunEpisode(policy);
出错 rl.internal.train.OffPolicyTrainer/run_ (第 40 行)
result = run_internal_(this);
出错 rl.internal.train.Trainer/run (第 8 行)
result = run_(this);
出错 rl.internal.trainmgr.OnlineTrainingManager/run_ (第 112 行)
trainResult = run(trainer);
出错 rl.internal.trainmgr.TrainingManager/run (第 4 行)
result = run_(this);
出错 rl.agent.AbstractAgent/train (第 86 行)
trainingResult = run(tm);
原因:
错误使用 rl.env.internal.reportSimulinkSimError (第 29 行)
在仿真运行时，无法更改 'mcb_pmsm_foc_sim_RL/Current Control/Input Scaling/ Calculate Position and Speed/Speed Measurement' 的属性 'Enabled'

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回答（2 个）

joy wang
joy wang 2024-5-25
I ‘m also running into this issue, did you solve it
MULI
MULI 2024-11-14，11:06
编辑：MULI 2024-11-14，12:33
Hi @hai hu,
I understand that you are facing an issue in the "TrainTD3AgentForPMSMControl" example model when “doTraining” flag is set to “true”. I encountered a similiar issue and was able to resolve it through the following workaround:
  • In the example model, navigate to the block located at"Current Control/Input Scaling/Calculate Position and Speed/Speed Measurement".
  • Replace the parameter values in the "Speed Measurement" block with their respective numeric values and datatype:
Discrete step size (s):0.0002
Per unit speed (RPM):3476
Speed data type:'single'
For another potential workaround to the issue:
  • In the example model find the "Speed Measurement" block at "Current Control/Input Scaling/Calculate Position and Speed".
  • Replace this block with the Speed Measurement block from the "Motor Control Blockset HDL Support/Sensor Decoders" library.
  • Set the block parameters to the same values as in the original block.
Hope this is helpful!

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