MATLAB: Simulink: Variable Lookup axis

canmpt signalsimulinkvariable lookupvariable lookup axis

Hi, I have a problem. I'm using Simulink & Embedded Coder. I want to create a 1-D Look up table with a variable x-axis. So for example I have a Lookup with a:

x = 0, limit, limit+10; y = 0, 10, 20;

What my problem is, I want to change the breakepoint "limit" via a CAN Signal but I don't know how I can link the breakepoint "limit" of my lookup with a CAN Signal for example a MPT Signal.

Thank you for your help.

Best Answer

You could use a dynamic lookup table instead of a fixed lookup table. If you only have 3 data points you may be able to fit a curve to the data and have the inputs be limit and x to determine y.

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dStart=3;
dEnd=6;
index=and(TableData>=dStart, TableData<=dEnd);
SelectedData=TableData(index)
SelectedData =
     3     4     5     6

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