- "findop" function - https://www.mathworks.com/help/slcontrol/ug/findop.html
- Simulation Snapshots - https://www.mathworks.com/help/slcontrol/ug/steady-state-operating-points-from-simulation.html
- "linearize" function - https://www.mathworks.com/help/slcontrol/ug/linearize.html
how can i linearize a simulink non linear system in one or more equilbria?
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I have a non linear system in simulink and using linear analysis I managed to linearize it, but i'm not able to assign the equilibrium in which i need to linearize my system
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Answers (1)
Ayush Modi
on 17 Jan 2024
Hi Gabriele,
As per my understanding, you are able to linearize a non linear "Simulink" system at the default operating point defined in the model. However, you are not able to assign the specific equilibrium to linearize the system. You can compute a steady-state operating point (or equilibrium operating point) using simulation snapshots or "findop" function from Simulink Control Design.
Once, the operating point of the system has been successfully computed, you can linearize the model using "linearize' function. Here is an example to demonstrate how you can achieve the same:
linsys = linearize(model,io,specified_operating_point)
Please refer to the following MathWorks documentation for more information on:
Hope this helps!
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