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====== A Butterfly in an Analogue Computer ====== | ====== A Butterfly in an Analogue Computer ====== | ||
- | by Wolfgang Spahn | + | by Wolfgang Spahn\\ |
20 Nov 2021\\ | 20 Nov 2021\\ | ||
[[https:// | [[https:// | ||
+ | {{: | ||
- | ===== Schedule ===== | + | A workshop for an Chua Circuit with in an analog computer to generate |
+ | chaotic signals, noise and sound. | ||
+ | This circuit generates chaotic signals over a wide range of frequency | ||
+ | therefore it is an interesting device for noise and sound art, | ||
+ | performances and installations.\\ | ||
+ | \\ | ||
+ | In the 1970th Edward Lorenz developed a mathematical model for the | ||
+ | weather and climate prediction, the Lorenz Attractor, a strange | ||
+ | attractor with chaotic and fractal behavior and sensible initials | ||
+ | conditions, that in the end could lead for example to a tornado in | ||
+ | Brazil - the so called Butterfly Effect. | ||
+ | At that time it was not possible to compute this module with in an | ||
+ | analog computer, the chips for doing the multiplication were to | ||
+ | noisy. That’s why in 1983 Leon O. Chua introduced a much simpler | ||
+ | circuit (no multiplication) with the same chaotic behavior, the Chua | ||
+ | Circuit.\\ | ||
- | === Part 1: Background, Introduction and Build === | + | The Analog Computer Confetti is a modular system that makes it |
+ | possible to perform all kind of computations and operations on base | ||
+ | of electrical voltage. This stack able modular electronic analog | ||
+ | computation system was and is still developed by Wolfgang Spahn since | ||
+ | 2015.\\ | ||
+ | \\ | ||
+ | Chua’s Circuit can be made out of two modules of the analog computer Confetti, aGyrator and the Chuas Diode. The analogue computer Confetti is a modular system that makes it possible to perform all kind of electronic computations.\\ | ||
+ | \\ | ||
+ | In the workshop we will learn the basic functions of an analog | ||
+ | computer. We also will build the two main components for an Chua | ||
+ | Circuit as modules of the analog computer Confetti: a Gyrator and a | ||
+ | Chua Diode. With these two modules we will create the Chua Circuit to | ||
+ | listen to the butterfly in our tornado.\\ | ||
+ | |||
+ | ---- | ||
+ | ==== Part 1: Background, Introduction and Build ==== | ||
[[https:// | [[https:// | ||
- | ==About | + | == About Anlogue Computation |
- | {{:1280px-chua_s_circuit_with_chua_diode.svg.png?400|}} | + | [[https://paperpcb.dernulleffekt.de/doku.php?id=analog_computer: |
- | ==build a computer** | + | == ... and Chua's Circuit== |
+ | {{: | ||
+ | //(graphic by [[https:// | ||
+ | == Build an Analogue Computer == | ||
+ | {{: | ||
+ | [[https:// | ||
+ | {{: | ||
+ | [[https:// | ||
+ | {{: | ||
+ | [[https:// | ||
+ | {{: | ||
+ | [[https:// | ||
+ | {{: | ||
+ | [[https:// | ||
+ | ---- | ||
+ | === Part 2: See, Listen and Discover | ||
+ | ==writing a progrmm for an analogue computer== | ||
+ | {{: | ||
+ | |||
+ | " | ||
+ | {{: | ||
+ | |||
+ | == X-Y-Z Visualisation == | ||
+ | {{: | ||
+ | {{: | ||
+ | |||
+ | == Voltage Control == | ||
---- | ---- | ||
- | === Part 2: See, Listen and Discover | + | ==== Links & Recources ==== |
- | - writing a progrmm for an analogue computer\\ | + | |
- | - X-Y-Z Visualisatio\\ | + | [[https:// |
- | - Voltage Controll\\ | + | [[http:// |
+ | [[http:// | ||
+ | [[http:// | ||
+ | [[http:// | ||
+ | [[http:// | ||
+ | [[http:// | ||
+ | [[https:// | ||
+ | [[https:// | ||
---- | ---- | ||
+ | if not other mentioned contend of this page is by Wolfgang Spahn (2008-2021) All Rights Reserved\\ | ||
+ | |||