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Updated: May 9, 2025

A Method for Growing Bio-memristors from Slime Mold
Published on: November 2, 2017
Step-wise coupling discrete memristive chaotic map
Xinghui Chen1, Kunshuai Li1, Qiao Wang2
1Institute of Advanced Optoelectronic Materials and Technology, College of Big Data and Information Engineering, Guizhou University, Guiyang 550025, China.
Abstract:
With specific nonlinearity, discrete memristors can form excellent chaotic systems through different coupling models. This work proposes a step-wise coupling method for constructing a mapping model. Based on second-order coupling, a novel trigonometric step-wise discrete memristive (TSDM) map is constructed by coupling a sine discrete memristor with a cosine discrete memristor. The dynamical behaviors, tuned by parameters and initial values, are investigated using various numerical methods. It is found that there is a local offset behavior of the attractor in the TSDM map, which is highly sensitive to the initial value. The TSDM map was implemented using a microcontroller, and a TSDM map-based pseudo-random number generator was designed.
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