 Chaos circuit
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G^3
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Sun Mar 08 2009, 10:46PM
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Registered Member #97
Joined: Thu Feb 09 2006, 05:40PM
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Posts: 61
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So in my physics lab we are measuring the Feigenbaum parameters using a neat little series LRC circuit where the capacitance is from a diode. If one measures the voltage across the diode the circuit follows this equation Vd+1=Vd(1-Vd)*Vin where Vin is the driving voltage. This has equation has a single stable point for low Vin, but as Vin increases the circuit goes through a period double cascade where with each cascade the number of stable points doubles until it is in chaos. Here is the write up for the lab and it does a much better job explaining than I can.
Below are some pictures I took when I tried this at home. They don't look like the ones from class and I am not sure the circuit is going chaotic, but something strange is happening.
X-Y mode where y is the voltage across the diode and X is the input voltage
It is in period something (maybe)
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