Using one expression value to get another expression in ADE-L

Dear Jaikrishnan,

Jaikrishnan said:

I am not getting any value printed in the expression Qerror

Is there any error that I am doing? Or is it not work in the ADE-L, by just using the signal name?

I must apologize, but I am not clear on exactly how you are attempting to evaluate your expressions. However, I suspect the context of whatever you are using to evaluate the expression may not correspond to the context you need. Specifically, are your results pointing to both the proper results directory AND the transient results within that directory? If you were to use the getData() function to obtain the value, it requires not only the signal name, but the results and results directory. Hence, the full expressions is:

net3 = getData("/net3" ?result "tran-tran" ?resultsDir <path to your psf file>)

If you are evaluating VT("/net3") in an environment where the results or results directory are not known, then the value of VT("/net3") can not be evaluated. Does this make sense? If so and relevant, would you please provide more details exactly how you are attempting to evaluate your expression?

Shawn

Dear Shawn,

Just to make it simple. I have 2 signals generated from two expressions. Now I have to add these signals to get another signals

expression1 = sig1

expression2 = sig2

expression3 = sig1+sig2

can i simply use '+' to add two signals generated from an expression?

Dear Jaikroshnan,

If the two expressions"sig1" and "sig2"  represent waveforms from the same analysis, the sum of the two will also be a waveform.

Shawn

Dear Shawn,

Yes, I understand that. I have values for sig1 and 2 obtaining as lets say 20V and 10V. Expression 3 is adding those signals and should give me 30V. I am not getting the added sum of two signals. There is no error in the simulation. When I use the '+' sign in the calculator for adding two sig's it is showing in red colour for the '+' sign. Is there another function like sum or add to get the sum of values of two signals.

If you're going to reference output names with spaces and parentheses in, you'd have to escape the spaces and parentheses in the expression:

Settling\ error\(Vin\)

Or it would be simpler if you just used names which started with a letter, then used alphanumeric and underscore characters in the name. Then you don't have to do any of this messing around.

There's no alternative to the + sign (well there's the plus function, which is identical), but the issue here is probably that the unusual characters are messing up the expression parsing - even if you fix that, the colouring may also be confused.

Andrew

Thanks Andrew. I will verify that

Thanks Andrew. I will verify that