Robust control tool box: Order reduction of a state space model including initial conditions

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Richard
Richard 2011-8-25
I've been attempting to reduce the order of a state space model, for example:
sys=ss(A,B,C,D)
sys_reduced=reduce(sys,10)
This works fine, however where I run into problems is that the state space has initial conditions for the state variables which are no longer valid for the reduced system, how can I convert the initial conditions for use in the reduced model?

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Richard
Richard 2013-3-15
I appear to have created a duplicate of this topic months later, please see http://www.mathworks.co.uk/matlabcentral/answers/16143-performing-a-model-order-reduction-including-initial-conditions for a full solution

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Özgür
Özgür 2013-1-4
May be below matlab sub routine may help your problem.
try to use *modred *

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