How to speed up the simulation for a MPPT simulink model.

I have a simulink and a matlab editor block inside it for MPPT model. This simulink model takes a lot of time to run. I have tried different solvers also. Need help so that the time is reduced for simulation.

Answer 1

[Manikanta Aditya]

Hi @Sowmya,

Optimizing your Simulink model and MATLAB editor block for faster simulation can be challenging, but there are several strategies you can try:

• Interpreted MATLAB Function blocks call the MATLAB execution engine at each time step, which can drastically slow down the simulation, so replace with MATLAB Function blocks.
• Convert MATLAB file S-functions to subsystems or C-MEX file S-functions.
• For physical models, implicit solvers like ode23t or ode15s can be more efficient. Ensure the maximum step size is set to auto unless specific requirements dictate otherwise.
• Identify which blocks and components are contributing to the highest solver resets and zero crossings.

Refer to the following documentations:

• Speed Up Simulation
• Modeling Techniques That Improve Performance
• Improving Simulation Performance in Simulink - MATLAB & Simulink

I hope this helps you.