Derivative of state '1' in block 'integrator' at time 0.0 is not finite.

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vishnuvardhan naidu tanga
评论： suWits Mohrarsii 2020-11-5
Hello,
I have modelled a superheater using simulink. And I have used a PI controller to tune the system. now I need to perform a sensitivity analysis of the system. when I am trying to persorm the sensitivity analysis I am getting the following error.
Derivative of state '1' in block 'integrator' at time 0.0 is not finite.he simulation will be stopped. There may be a singularity in the solution. If not, try reducing the step size (either by reducing the fixed step size or by tightening the error tolerances)
If i run in general it works fine. Is there any solution for this error. I am using ODE15s solver.
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