Relational operators in Simscape Language

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Santiago Alfonso Ospina Botero
评论： Santiago Alfonso Ospina Botero 2023-3-22
Hi,
Im trying to create a custom component in Simscapa language. In particular I'm modelnig a GDT (Gas Discharge Tube) and for that I want to create a piece wise function, like the following,
equations
assert(Threshold_Voltage > 0)
v == p.v - n.v; % Voltage across between node p and node n
if (abs(v) < Threshold_Voltage)
i == v/Insulation_Resistance;
elseif (Threshold_Voltage <= abs(v) < Glow_Voltage)
i == v/Break2Glow_Resistance;
else
i == v/Glow_Resitance;
end
end
And when I try to download the code to the component the following messsage apears:
So basically inducates me to use this other notation ' (a==b)==c' etc. but I don'r really understand how they work...
¿Does anyone know how this works and have an idea on how to implement it?

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采纳的回答

Sabin
Sabin 2023-3-4
In your case I would change the condition '(Threshold_Voltage <= abs(v) < Glow_Voltage)' into '(abs(v) >= Threshold_Voltage && abs(v) < Glow_Voltage)'. In this way there is no ambiguity and the code should compile. I hope this helps.

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