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polynomial to state-space

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vofzxy

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good day
i am trying to model a twin rotor system in matlab,

i was wondering how do i convert a polynomial equation to state-space, so i can in put them into simulink.
i have 5th order polynomial.

the thing in control textbooks is that there is 1 input = several output variables of different order.

F = -0.6505 ω^5 -0.286 ω^4 +0.8623 ω³ +0.4382 ω² + 0.6351 ω -0.0003

i got the equation above by "polyfitting" the force vs input graph based ont he "Static characteristics" of the twin rotor system (TRAS) by inteco

anyone has any pointers or am i doing this wrong?

cheers
 

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