Strengthening Quality of Chaotic Bit Sequences

Melosik, Michał; Marszałek, Wiesław

doi:10.3390/electronics11020272

Cited by 2 publications

(2 citation statements)

References 30 publications

(41 reference statements)

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“…The skills of using VHDL syntax are needed for more advanced courses. Likewise, the studies conducted with only the VHDL-AMS based simulations do not require physical contact with the laboratory devices, if used for simulation of mathematical models for chaotic circuits [22], circuits with memristors [23], simulation studies of integrated filters in CMOS technology [24] and the simulation of video processing circuits [25].…”

Section: A Platform For Remote Teaching At Putmentioning

confidence: 99%

Remote Prototyping of FPGA-Based Devices in the IoT Concept during the COVID-19 Pandemic

et al. 2022

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This paper presents a system for the remote design and testing of electronic circuits and devices with FPGAs during COVID-19 and similar lockdown periods when physical access to laboratories is not permitted. The system is based on the application of the IoT concept, in which the final device is a test board with an FPGA chip. The system allows for remote visual inspection of the board and the devices linked to it in the laboratory. The system was developed for remote learning taking place during the lockdown periods at Poznan University of Technology (PUT) in Poland. The functionality of the system is confirmed by two demonstration tasks (the use of the temperature and humidity DHT11 sensor and the design of a generator of sinusoidal waveforms) for students in the fundamentals of digital design and synthesis courses. The proposed solution allows, in part, to bypass the time-consuming simulations, and accelerate the process of prototyping digital circuits by remotely accessing the infrastructure of the microelectronics laboratory.

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Section: A Platform For Remote Teaching At Putmentioning

confidence: 99%

Remote Prototyping of FPGA-Based Devices in the IoT Concept during the COVID-19 Pandemic

et al. 2022

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“…Details and examples of such an approach are presented in [ 16 ]. A brief summary of the test is also provided in [ 18 , 19 ].…”

Section: Physically Unacceptable Solutions Yield Strong Chaotic Signalsmentioning

confidence: 99%

On Physically Unacceptable Numerical Solutions Yielding Strong Chaotic Signals

Marszałek

2022

Entropy

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Physically unacceptable chaotic numerical solutions of nonlinear circuits and systems are discussed in this paper. First, as an introduction, a simple example of a wrong choice of a numerical solver to deal with a second-order linear ordinary differential equation is presented. Then, the main result follows with the analysis of an ill-designed numerical approach to solve and analyze a particular nonlinear memristive circuit. The obtained trajectory of the numerical solution is unphysical (not acceptable), as it violates the presence of an invariant plane in the continuous systems. Such a poor outcome is then turned around, as we look at the unphysical numerical solution as a source of strong chaotic sequences. The 0–1 test for chaos and bifurcation diagrams are applied to prove that the unacceptable (from the continuous system point of view) numerical solutions are, in fact, useful chaotic sequences with possible applications in cryptography and the secure transmission of data.

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Strengthening Quality of Chaotic Bit Sequences

Cited by 2 publications

References 30 publications

Remote Prototyping of FPGA-Based Devices in the IoT Concept during the COVID-19 Pandemic

Remote Prototyping of FPGA-Based Devices in the IoT Concept during the COVID-19 Pandemic

On Physically Unacceptable Numerical Solutions Yielding Strong Chaotic Signals

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