continuous to discrete and plotting
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[EDIT: 20110527 15:15 CDT - reformat - WDR]
hey and thanks in advance.
i have a continuous system(A,B,C,D matrices) and what i'm trying to do is:
1. plot on one graph the continuous and equivalent discrete systems response to a sequence of steps moved in time
2. the same only for a run entry
thanks again,
hagai
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Walter Roberson
2011년 5월 28일
You only mentioned A, B, C, D matrices before, so I'm not sure how u1 and u2 and t fit in to this?
Is this a transfer system? A control system? A differential equation? Something else?
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Paulo Silva
2011년 5월 29일
clf
hold on
%continous response
%TStart is the starting time of the step
%TIncrement is the increment of the time vector
%TEnd is the end time of your step (when input returns to zero)
sys = ss(A,B,C,D);
step(sys,TStart:TIncrement:TEnd) %choose a small TIncrement
%discrete response
sys = ss(A,B,C,D,Ts); %Ts is your sampling time
step(sys,TStart:Ts:TEnd)
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