Abstract
In this paper, we design a cellular automaton and a discrete-time cellular neural network (DTCNN) using nonlinear passive memristors. They can perform a number of applications, such as logical operations, image processing operations, complex behaviors, higher brain functions, etc. By modifying the characteristics of nonlinear memristors, the memristor DTCNN can perform almost all functions of memristor cellular automaton. Furthermore, it can perform more than one function at the same time, that is, it allows multitasking.
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A time-frame is used to identify a start and end of a set of current pulses.
- 2.
All evolution images and processed images in this paper are not obtained by the real memristor cellular automaton circuits, but by computer simulations.
- 3.
Gaussian noise has a probability density function of the normal distribution (Gaussian distribution).
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- 5.
10-gradations: \(\{ 0, 28, 56, 84, 112, 140, 168, 196, 224, 252 \}\) levels.
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During the period \([nT, n T+ \Delta t]\), a positive current read pulse \(I_{p}\) with a height of 1 is applied into the memristor.
- 7.
For more details, see “Bak-Tang-Wiesenfeld sandpile” in Wikipedia, the free encyclopedia.
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Acknowledgements
This work is supported in part by ONR grants No. N00014-07-1-0350 and N00014-09-1-0411.
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Itoh, M., Chua, L. (2019). Memristor Cellular Automata and Memristor Discrete-Time Cellular Neural Networks. In: Chua, L., Sirakoulis, G., Adamatzky, A. (eds) Handbook of Memristor Networks. Springer, Cham. https://doi.org/10.1007/978-3-319-76375-0_47
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DOI: https://doi.org/10.1007/978-3-319-76375-0_47
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