The code for determining switch state is below (click on "view raw" below the code box to view the code in a new window):
The code for the determining diode state is below (click on "view raw" below the code box to view the code in a new window):
This function is called after performing nodal analysis to check if the inductor current has caused an non linear device to change state. The difference between the code for switch and diode is that a switch can only turn off during nodal analysis while a diode can both turn on and turn off. My guess is that the switch should turn on only in the update_value function. If for some reason, the switch were to turn off during the nodal analysis because the current through it was negative due to an inductor, the switch remains off and only a diode can turn on to freewheel the current.
The reason for doing this will be the next detailed blog post.
The code for the determining diode state is below (click on "view raw" below the code box to view the code in a new window):
This function is called after performing nodal analysis to check if the inductor current has caused an non linear device to change state. The difference between the code for switch and diode is that a switch can only turn off during nodal analysis while a diode can both turn on and turn off. My guess is that the switch should turn on only in the update_value function. If for some reason, the switch were to turn off during the nodal analysis because the current through it was negative due to an inductor, the switch remains off and only a diode can turn on to freewheel the current.
The reason for doing this will be the next detailed blog post.
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