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State Space block state vector value

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Raha Hojjati
Raha Hojjati on 18 Feb 2019
Edited: Aquatris on 18 Feb 2019
Hello,
I am using Simulink built in state spacestate space block. The input to this block is u, and the output is y.
I also need the x value, the state vector. How can I extract this value from the built in state space block.

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Answers (1)

Aquatris
Aquatris on 18 Feb 2019
Edited: Aquatris on 18 Feb 2019
To do that you need to specify your states as outputs by modifying your C matrix.
C = [1 2 3 4]; % original C matrix that gives the system output
% for a 4 state system
Ce = [eye(4)
C]; % modified C matrix where the system gives 5 outputs,
% first 4 are the states, 5th is the actual output

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