Simulink using Multiple Simulation

This blog is about Simulink simulation with the method of Multiple Simulation.
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1. Build up a simulation model

• First of all, you need to build up a simulink model and define a variable which you need to change in the model.

For instance, I build up a simple RC circuit in series with a square wave voltage source to see the reaction of voltage change about the capacitor.
And then I need to change the period(or frequency) to see what’s going to happen about the voltage.

Thus period is the variable of the model, and click “apply”

2. Open the Multiple Simulation

1. At here you will find Multiple Simulation and then you will have this diagram.

2. Click “Plus” to add a new design study and you can rename it.

3. And then you should add variable and set up the range or the specific number you want to simulate with. The variable name should be totally the same with the one you have set in the model!!
   • you have different ways of setting the number, for example:
   • [1,4,9] , ["on","off"], rand(1,10) and so on.

4. Then you should click "run" in Multiple Simulation and then you will find the "run" in simulation has changed into "run all". Just click it to begin simulation. And you can see the statue in Simulation Manager.

3. Use Simulation Data Inspector to see the data

1. Click the signal line of the scope and Log Selected Signal

2. Then you can open Simulation Data Inspector to see different signal wave with different variable(period), that’s all.

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