An Adaptive Cuckoo Search-Based Optimization Model for Addressing Cyber-Physical Security Problems

Mohamed Abdel-Basset, Reda Mohamed, Nazeeruddin Mohammad, Karam Sallam and Nour Moustafa
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Mohamed Abdel-Basset: Department of Computer Science, Faculty of Computers and Informatics, Zagazig University, Zagazig 44519, Egypt
Reda Mohamed: Department of Computer Science, Faculty of Computers and Informatics, Zagazig University, Zagazig 44519, Egypt
Nazeeruddin Mohammad: Prince Mohammad Bin Fahd University, Al Khobar 31952, Saudi Arabia
Karam Sallam: Department of Computer Science, Faculty of Computers and Informatics, Zagazig University, Zagazig 44519, Egypt
Nour Moustafa: School of Engineering & Information Technology, UNSW, Canberra, ACT 2620, Australia

Mathematics, 2021, vol. 9, issue 10, 1-27

Abstract: One of the key challenges in cyber-physical systems (CPS) is the dynamic fitting of data sources under multivariate or mixture distribution models to determine abnormalities. Equations of the models have been statistically characterized as nonlinear and non-Gaussian ones, where data have high variations between normal and suspicious data distributions. To address nonlinear equations of these distributions, a cuckoo search algorithm is employed. In this paper, the cuckoo search algorithm is effectively improved with a novel strategy, known as a convergence speed strategy, to accelerate the convergence speed in the direction of the optimal solution for achieving better outcomes in a small number of iterations when solving systems of nonlinear equations. The proposed algorithm is named an improved cuckoo search algorithm (ICSA), which accelerates the convergence speed by improving the fitness values of function evaluations compared to the existing algorithms. To assess the efficacy of ICSA, 34 common nonlinear equations that fit the nature of cybersecurity models are adopted to show if ICSA can reach better outcomes with high convergence speed or not. ICSA has been compared with several well-known, well-established optimization algorithms, such as the slime mould optimizer, salp swarm, cuckoo search, marine predators, bat, and flower pollination algorithms. Experimental outcomes have revealed that ICSA is superior to the other in terms of the convergence speed and final accuracy, and this makes a promising alternative to the existing algorithm.

Keywords: cuckoo search algorithm; systems of nonlinear equations; convergence improvement strategy; cyber-physical systems (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2021
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