How to slow the rate of model

Hello

I'm just slow down my simulink (dll) model runs in Veristand. The model was compiled at a sampling frequency of 100 Hz and I have been able to slow the speed of the model running in Veristand by reducing the rate of the primary control loop, although he won't reduce anything lower than 10 Hz. My goal is to launch the model 100 x slower than real time. Is this possible? If so, how could I do that?

Thank you

Hello claw,

A basic rule concerning the models of simulation in VeriStand 2009 and 2010 is to run as slow as possible PCL.  Regarding onlymodels, it's the lowest divisible by all rates of the model.  (Other parts of the system may require the PCL to run faster).

For example, that model A was compiled at 25 Hz, model B at 75 Hz and model C at 100 Hz.  The lowest rate that is divisible by all models is 300 Hz, this is what you run the PCL to.  The next step and maybe the answer to your question is to define the "Décimation" integer for each model in System Explorer.  System Explorer, decimation is always in what regards the PCL.  Decimation 1 means 'at the PCL rate. "  2 decimation means 'every other iteration of the PCL' or 'half the rate of PCL.  Decimation model both for the model A = 12, B = 4 and C = 3 model.

The reason for the basic rule is that in VeriStand 2009 and 2010 models decimated are required to run a stage of time in an iteration of the PCL to be 'in time'.  In the previous case, models A, B and C each have 3.3ms to run once the step in parallel mode, otherwise they are fine.

Steve K

Tags: NI Products

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