An error in the sum of three signal

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Charanraj
Charanraj 2015-2-5
回答： Charanraj 2015-2-5
I just use sum of three signals and i get an error like this. Can you help to rectify this error ?

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回答（3 个）

Charanraj
Charanraj 2015-2-5
niklasnylen
niklasnylen 2015-2-5
The error says it's an algebraic loop. Do you feed any signal back in the model. If that is the case you should add a Memory or Unit Delay block on the feedback signal line.
Charanraj
Charanraj 2015-2-5
Seems adding a memory makes more complications, which I have attached in the picture. And there are many unit delay blocks. Which one do you recommend and the configurations of it will be default or any user defined ?

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