In this paper, we present a teaching methodology based on a low‐cost embedded system platform that is easy to use and replicate, oriented to real‐time simulation project development. Designed for real‐time implementation of coding generated with MPLAB Device Blocks for Simulink. The purpose of this methodology is that students, teachers, and professionals will be able to carry out a theoretical project of a simulation in a computer, which includes complex mathematical modeling, to interact with its environment in real‐time. This system has been utilized already by students of Engineering of the first semesters as well as professors and researchers in updated and initialization courses in embedded systems within the University of Guadalajara. Finally, in the results section, we show a comparison of the proposed platform and a dSPACE platform applied in a control problem with an intricate mathematical model to process through a Hardware‐in‐the‐loop (HIL).
The S-box is a basic important component in symmetric key encryption, used in block ciphers to confuse or hide the relationship between the plaintext and the ciphertext. In this paper a way to develop the transformation of an input of the S-box specified in AES encryption system through an artificial neural network and the multiplicative inverse in Galois Field is presented. With this implementation more security is achieved since the values of the S-box remain hidden and the inverse table serves as a distractor since it would appear to be the complete S-box. This is implemented on MATLAB and HSPICE using a network of perceptron neurons with a hidden layer and null error.
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