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Question
In system identification toolbox , when we estimate a transfer function, What is the method that used in Toolboxto estimate the transfer function ? Does it based on ARX,ARMAX,ARMA????
<</matlabcentral/answers/uploaded_files/65457/15497813_1236822093074574_373532378_n.png>>
plus de 9 ans il y a | 1 réponse | 0
0
réponseQuestion
How i can solve this problem without changing the sample time, see the figure below.
this figure appear when i simulate the MPC designer app
presque 10 ans il y a | 1 réponse | 0
0
réponseQuestion
why the two outputs are different (fig from scope and the other from step output from command window) ..although the transfer function and the input are same in command window and simulink model (see two figures below that will be explain my question
<</matlabcentral/answers/uploaded_files/52960/m1.PNG>> << <</matlabcentral/answers/uploaded_files/52959/m2.PNG>> >> ...
environ 10 ans il y a | 1 réponse | 0
0
réponseQuestion
when i applied same input like step on transfer function block and on the LTI system in simulink model ; the output in scope does not the same although the transfer function is same in two blocks (tf, LTI system)
<</matlabcentral/answers/uploaded_files/52700/Capture11.PNG>>
environ 10 ans il y a | 1 réponse | 0
1
réponseQuestion
I have a problem in plot function of t .this problem is related to imaginary part
plot(at, double(subs(X(n),t,at))); title('time response'); Warning: Imaginary parts of complex X and/or Y arguments ignore...
plus de 11 ans il y a | 1 réponse | 0
1
réponseQuestion
How i can convert second order differential equation with matrix coefficient to state space representation in matlab ,I get it by simulink but i need it by another method
[m]x''+[c]x'+[k]x=[f] [m] [c] &[k] are 12 *12 matrix [f]=12*1 matrix i need to find the frequency response,,,, it is...
plus de 11 ans il y a | 1 réponse | 0
