How to log signal data from simulink to matlab with higher time interval to avoid high data storage?
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Parth Patel
el 9 de Mzo. de 2023
Respondida: Emmanouil Tzorakoleftherakis
el 9 de Mzo. de 2023
In my problem of Reinforcement Learning, I am using a sample time of 0.3 sec and have a variable step solver in simulink. I want to run my simulation for 1000 episodes, and for each episode, I have logged a signal data. However, when accessing that in Matlab, I get data with interval of 0.001 sec. I want the data to be logged at 0.3 sec, which will be enough to get average value and at the same time use less memory.
Can we change the time step interval to store log signal irrespective to sample time or step size?
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Fangjun Jiang
el 9 de Mzo. de 2023
Set the "Decimate data" to be 300. It means log every 300th data. It may not guarantee 0.3 second if using variable step size solver. It has to work with your solver and step size. Other logging methods have similar "Decimate data" setting.
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Emmanouil Tzorakoleftherakis
el 9 de Mzo. de 2023
If you are using R2022b, please take a look at this page. We recently added enhanced logging capabilities in Reinforcement Learning Toolbox so you have more flexibility over what and when to log. For example you can log a signal after an agent takes a step which ensures that you will have 0.3s sample time.
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