How can I avoid Algebraic loops In these equations
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Hi,
I Have two equations of the form-
1) dy/dt = A - By - Cdx/dt + Dx, and
2) dx/dt = E - Fx - Gdy/dt + Hy.
I want to apply them in a Simulink model, Is there any way I can do it without using Algebraic loops?
Thanks
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Accepted Answer
A Jenkins
on 28 Jan 2014
If you are smart about it, you may be able to avoid a memory block. Depending on the properties of your numbers (for example, if 1+GC is invertible), you may be able to rewrite the equations:
dy/dt = A-B*y-C*(dx/dt)+D*x
dx/dt = E-F*x-G*(dy/dt)+H*y
dx/dt = E-F*x-G*(A-B*y-C*(dx/dt)+D*x)+H*y
dx/dt = (E-F*x-G*(A-B*y+D*x)+H*y)/(1+GC)
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