[sdiy] VC Chaos

[ASSI]

An interesting article of directly VC chaos generation (using voltage 
controlled current sources):

A simple hyperchaos generator based on impulsive switching
Takahashi, Y.; Nakano, H.; Saito, T.
Circuits and Systems II: Express Briefs, IEEE Transactions on,
Vol.51, Iss.9, Sept. 2004
Pages: 468- 472

<http://ieeexplore.ieee.org/xpl/abs_free.jsp?isNumber=29466&prod=JNL&arnumber=1335529&arSt=+468&ared=+472&arAuthor=Takahashi%2C+Y.
%3B+Nakano%2C+H%3B+Saito%2C+T.&arNumber=1335529&a_id0=1335524&a_id1=1335525&a_id2=1335526&a_id3=1335527&a_id4=1335528&a_id5=1335529&a_id6=1335530&a_id7=1335531&a_id8=1335532&a_id9=1335533&a_id10=1335534&a_id11=1335535&a_id12=1335536&a_id13=1335537&a_id14=1335538&count=15>


Also, another one dealing with a periodically perturbed sinus oscillator 
with some configurations that can be made voltage controlled:

On the realization of circuit-independent nonautonomous pulse-excited 
chaotic oscillator circuits
Ozoguz, S.   Elwakil, A.S.  
Circuits and Systems II: Express Briefs, IEEE Transactions on
Volume: 51,   Issue: 10 , Oct. 2004

<http://ieeexplore.ieee.org/xpl/abs_free.jsp?isNumber=29602&prod=JNL&arnumber=1344250&arSt=+552&ared=+556&arAuthor=Ozoguz%2C+S.
%3B+Elwakil%2C+A.S.&arNumber=1344250&a_id0=1344239&a_id1=1344240&a_id2=1344241&a_id3=1344242&a_id4=1344243&a_id5=1344244&a_id6=1344245&a_id7=1344246&a_id8=1344247&a_id9=1344248&a_id10=1344249&a_id11=1344250&a_id12=1344251&a_id13=1344252&a_id14=1344253&count=15>

(sorry for the long links, watch out for word-wrap)

>From a cursory look, the first circuit is quite simple and both are 
different from Ian Fritz' attempt.


Achim.
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