Time dependent resistance using SimScape Electrical foundation library

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Venkata Subrahmanyan Govindarajan
回答： Nicolas Schmit 2017-10-10
I'm trying to model a large electrical network of resistors and capacitors in SimScape using Electrical foundation library blocks. One of the resistors needs to change its resistance as a function of time, say like this:
R=R0*(1-delR*(1-exp(-t))
where R is resistance, R0 is the initial resistance, delR is the factor by which I want the resistance to decrease and t is time. I can't figure out how to incorporate time variance at all in to the simscape model(as I can't seem to access a time variable). There is a variable resistance block available, but I'm facing the same problem there as well, as it seems to be built to vary with respect to voltage. I'm using Matlab 2016a.

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回答（1 个）

Nicolas Schmit
Nicolas Schmit 2017-10-10
Implement the calculation routine in Simulink, then connect it to a Variable Resistor block trough a Simulink - PS block.

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