Andrew Adamatzky Andrew.Adamatzky@uwe.ac.uk
Professor
On half-adders based on fusion of signal carriers: Excitation, fluidics, and electricity
Adamatzky, Andrew
Authors
Abstract
Likely outcomes of a collision between two objects are annihilation, reflection or fusion. We show how to construct a one-bit adder with pattern that fuse on impact.
A fusion gate has two inputs and three outputs. When a signal is generated on a single input the object propagates along its own output trajectory. When both inputs are active
the objects collide at a junction of input trajectories, fuse and propagate along dedicated output trajectory. Thus two outputs produce conjunction of one signal with negation of another signal; and,
third output produces conjunction of input signals. By merging two outputs in one we make a one-bit half adder: one output is the conjunction of input signals, another
output is the exclusive disjunction of the signals. We discuss blue-prints of the half-adders realised with two types of physical signal careers ---
wave-fragments in excitable medium and high-velocity jet streams. We also propose an electrical circuits analogous of a fusion half-adder.
By running fusion half-adders in reverse we find that, despite realising the same functions when in a straight mode, all devices implement different functions when their inputs swapped with outputs.
Journal Article Type | Article |
---|---|
Acceptance Date | Jun 1, 2016 |
Online Publication Date | Dec 31, 2016 |
Publication Date | Dec 31, 2016 |
Deposit Date | Jan 13, 2017 |
Publicly Available Date | Feb 12, 2017 |
Journal | Complex Systems |
Print ISSN | 0891-2513 |
Peer Reviewed | Peer Reviewed |
Volume | 25 |
Issue | 3 |
Keywords | half-adders, fusion, signal, carriers, excitation, fluidics, electricity |
Public URL | https://uwe-repository.worktribe.com/output/905073 |
Publisher URL | http://www.complex-systems.com/abstracts/v25_i03_a04.html |
Contract Date | Jan 13, 2017 |
Files
FuseAdder.pdf
(1.1 Mb)
PDF
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