Derivative of state '3' is not finite.

This is my simulink code and error

Derivative of state '1' at time 0.0158... is not finite.

How can i solve this error?

(error in yellow box)

<subsystem>

<setting>

Answer 1

[Sam Chak]

Hi @younwook song

The system is unstable. It is rather difficult to decipher the dynamics from the displayed block diagram and and test "code in Image". However, you can try designing the input signal that stabilizes the system.