Nonlinear State-Space simulation

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Estela Nieto
Estela Nieto 2020-5-23
评论： Estela Nieto 2020-5-25
Hello everyone,
I have to simulate this nos linear sistem
where k0= 1x10^-4,x1, x2 and x3 are the states and u(t) is the control input.
Could you tell me plese how to simulate this system either using Matlab or Simulink?

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回答（1 个）

Gautam
Gautam 2020-5-24
1) You can use ode45 for solving these equations in MATLAB (Refer the examples here to understand how to use ode45 for solving non-linear differential equations: )
2) For simulink implementation: Refer this blogpost https://blogs.mathworks.com/simulink/2008/05/23/how-to-draw-odes-in-simulink/ . Although this talks about a simple homogenous ODE, the example can be extended to solve your equations.
Goodluck!

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