Hello,

In state form, your filter reads xdot = -we/K*x+u (with u the input of your block, and x the output). To implement it in Simulink, feed an integrator block with -we/K*x+u, where x is the output of the integrator.

https://www.mathworks.com/help/control/ref/varyinglowpassfilter.html

Philippe Martin Siamak Heidarzadeh

It works perfectly as you suggested.

Thanks for helping out.

Abdulwasiu Tunde Yusuf , i think, you solved it already. right?

Dear Abdulwasiu Tunde Yusuf

please take a look at the following paper

https://hal.archives-ouvertes.fr/hal-01322795/document