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How to store all the sequential signals generated during the Simscape simulation in Simulink and access those signals inside the function block?

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I have a Simscape-based simulation model, and my goal is to integrate a Reinforcement Learning agent that controls the existing inverters in my model. To achieve this, the RL agent requires measurement signals from time (t-k) to t, where k represents a sliding window of a particular size. Unfortunately, I am encountering issues in implementing this functionality to store the sequential measurements and access the required window of measurements to provide them as observations to the RL agent. I would be grateful for any assistance in this matter.
  2 comentarios
Bipin Paudel
Bipin Paudel el 24 de Abr. de 2023
Generally, the value of k can range from 20. Can we use a single delay block for this value of k? I am under the impression that if I use a delay block, I have to use k different delay blocks. Are there any other solutions?

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Fangjun Jiang
Fangjun Jiang el 24 de Abr. de 2023
  2 comentarios
Bipin Paudel
Bipin Paudel el 24 de Abr. de 2023
I have a Simscape-based model with a solver as ode1 (Euler) in model configurations. I got an error while using Buffer that says, "all sample times must be discrete. No continuous or constant sample times are allowed". However, I cannot change my solver parameter to be discrete because, in that case, the simulation will not run.
Fangjun Jiang
Fangjun Jiang el 24 de Abr. de 2023
Editada: Fangjun Jiang el 24 de Abr. de 2023
I did the following on the "f14" example model, which runs on variable-step ode45.
Insert a 'Signal Specification' block between the signal and the Buffer block and specify a sample time.

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