How to get the settling time of the plot

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RJS 2021-11-19

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https://ww2.mathworks.cn/matlabcentral/answers/1590709-how-to-get-the-settling-time-of-the-plot

评论： RJS 2021-11-30

here I have state space model

A =[0  1;-30 -1.2]
B =[0;30]
C=[1 0];
G=ss(A,B,C,[]);
t = [0:0.001:5]';
[y, t, x] = step(G,t)
plot(t, x(:,1))

now how can i get settling time and rise time of this plot?

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回答（1 个）

Mathieu NOE 2021-11-19

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https://ww2.mathworks.cn/matlabcentral/answers/1590709-how-to-get-the-settling-time-of-the-plot#answer_835669

在 MATLAB Online 中打开

hello

with stepinfo, you have access to all the info's :

A =[0  1;-30 -1.2];
B =[0;30];
C=[1 0];
G=ss(A,B,C,[]);
stepinfo(G)
ans = 
  struct with fields:
        RiseTime: 0.207388987205853
    SettlingTime: 6.429183012079071
     SettlingMin: 0.500017169365977
     SettlingMax: 1.707223152671701
       Overshoot: 70.722315267170117
      Undershoot: 0
            Peak: 1.707223152671701