When you have the Simulink® Control Design™ software, you can
compute an uncertain linearization, i.e., an
uncertain state-space model (
combining the uncertain variables with linearized dynamics. Use the
uss model to perform linear analysis
and robust control design.
You can compute an uncertain linearization in one of the following ways:
as described in Obtain Uncertain State-Space Model from Simulink Model.
Using the Simulink Control Design
linearize command, as described in Specify Uncertain Linearization for Core or Custom Simulink Blocks.