Non linear output to linear output

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Aniket 2013 年 5 月 2 日
Is it possible to convert non linear output to linear out put
I have system which is non linear system , its output is non linear and i want to feed this output to linear system. So is it possible to convert the non linear system output to linear and then feed to linear system ?
if it is possible then how to do that in matlab or simulink ?
  2 件のコメント
Aniket 2013 年 5 月 2 日
I am working on adaptive oscillator which is made of nonlinear equations and which estimates the input signal frequency.
and i am using LQG control which is Linear made of Linear system ..i want to connect adaptive oscillator and controller but both have different properties ..
so i thought if oscillator system output can be convert to linear and then feed this linear output to LQG system this possible ?
or any other way is there ?
thank you


回答 (1 件)

Shashank Prasanna
Shashank Prasanna 2013 年 5 月 3 日
It is still not clear what you mean by 'converting an output to linear'.
It seems you want to linearize your nonlinear oscillator, then you can use the following linearization tools:
However, you don't have to linearize your non-linear plant model in order to connect it to your LQG controller. Linear controllers can be used with nonlinear plant models but you mileage may vary.


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