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How to make a time delay, W(t - R)
How to make a time delay, W(t - R)
Apr-06-16 04:04:09
Here is my code i am trying to achieve active queue management algorithm
in line 6 there is a logical error, what i wat to achieve is w(t-R) and q(t-R) respectively
but i have searched and haven't been able to find it, i am rather new at modelica and would appreciate the help
N = 1, R = 1, K = 5; 3, C = 1, W(0) = 0; 1,Q(0) = 1
where R(t)=1 just a small reference although it could be understood i guess
1)class generic
2)Real N,K,C,R;
3)Real w(start=0.1),q(start=1);
4)//AQM:
5)equation
6) der(w)=1/R - (((w*(w-R))/2*R)*K*(q-R));
7) der(q)=if q>0 then (N*w/R)-C else 0 ;
8)end generic;
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Thank you
Re: How to make a time delay, W(t - R)
Apr-21-16 07:51:00
Re: How to make a time delay, W(t - R)
Nov-15-16 05:55:02
This seems to have worked..
Code:
model TimeDelay_OMForum
parameter Real N = 1;
parameter Real R = 1;
parameter Real K = 5.3;
parameter Real C = 1;
Real W(start = 0.1);
Real Q(start = 1);
Real Wdelay;
Real Qdelay;
equation
Wdelay = delay(W, R);
Qdelay = delay(Q, R);
der(W) = (1/R) - (W*Wdelay*K*Qdelay)/(2*R);
der(Q) = if Q > 0 then ((N*W)/R - C) else max(((N*W)/R - C) ,0);
end TimeDelay_OMForum;
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