How solve a state space equation with Simulink with Time varying matrix B?

[Haddar Marwa]

Prof. John Hedengren:

I need your help to solve a state space system with time varying matrix B where all elements in B are represented 

by a time  vector (the  dimension of t is <400001x1 double>).I want to use  Simulink for this kind of problem 

Best regards

Maroua

[John Hedengren]

Maroua,

 

You can use the state space object in Simulink http://apmonitor.com/che436/index.php/Main/ProjectProgramming if “t” is a constant. However, it appears that “t” may be time-varying so I’d recommend that you use either an APMonitor object in Simulink such as shown here http://apmonitor.com/do/index.php/Main/NonlinearControl or else use a custom algorithm block and integrators as shown here: http://apmonitor.com/che263/index.php/Main/MatlabDynamicSim  The APMonitor option is best if you have an optimization problem; the custom algorithm block is easier if you just want to simulate the system. Here is an example of using APMonitor in MATLAB, Python, or in Simulink: http://apmonitor.com/do/index.php/Main/DynamicControl

 

Please try to implement your problem and then reply back once you have exhausted all of you resources. If you opt for a Simulink only implementation then I’d recommend the Mathworks’ online forum. This forum is specific to help with the APMonitor Optimization Suite.

 

Best regards,

 

John Hedengren

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