.Modelica_LinearSystems2.Controller.SecondOrder

Information

This blocks defines the transfer function between the input u and the output y as second order system:

                         k
     y = --------------------------------- * u
          ( s / w )^2 + 2*D*( s / w ) + 1

The block can be continuous or discrete (with continuous parameterization).

If you would like to be able to change easily between different transfer functions (FirstOrder, SecondOrder, ... ) by changing parameters, use the general model class TransferFunction instead and model a second order SISO system with parameters
n = {k}, d = {1/w^2, 2*D/w, 1}.

Example:
   parameter: k =  0.3,  w = 0.5,  D = 0.4
   results in:
                  0.3
      y = ------------------- * u
          4.0 s^2 + 1.6 s + 1

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