Publications

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2020
Sayed, W. S., M. Roshdy, L. A. Said, and A. G. Radwan, "Chaotic Dynamics and FPGA Implementation of a Fractional-Order Chaotic System With Time Delay", IEEE Open Journal of Circuits and Systems, vol. 1: IEEE, pp. 255–262, 2020. Abstract
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Sayed, W. S., and A. G. Radwan, "Generalized switched synchronization and dependent image encryption using dynamically rotating fractional-order chaotic systems", AEU-International Journal of Electronics and Communications, vol. 123: Urban & Fischer, pp. 153268, 2020. Abstract
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Sayed, W. S., PhD Thesis: Generalization and control of chaotic systems using extra parameters and affine transformations, : Faculty of Engineering, Cairo University, 2020. Abstract
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Sayed, W. S., A. G. Radwan, H. A. H. Fahmy, and A. L. El-Sedeek, "Software and Hardware Implementation Sensitivity of Chaotic Systems and Impact on Encryption Applications", Circuits, Systems & Signal Processing, 2020. Abstract
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Sayed, W. S., M. Gamal, M. Abdelrazek, and S. El-Tantawy, "Towards a Learning Style and Knowledge Level-Based Adaptive Personalized Platform for an Effective and Advanced Learning for School Students", Recent Advances in Engineering Mathematics and Physics: Springer, Cham, pp. 261–273, 2020. Abstract
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2019
Sayed, W. S., A. G. Radwan, H. A. H. Fahmy, and A. L. Elsedeek, "All-Dynamic Synchronization of Rotating Fractional-Order Chaotic Systems", 2019 Novel Intelligent and Leading Emerging Sciences Conference (NILES), vol. 1: IEEE, pp. 226–229, 2019. Abstract
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Tolba, M. F., W. S. Sayed, M. E. Fouda, H. Saleh, M. Al-Qutayri, B. Mohammad, and A. G. Radwan, "Digital Emulation of a Versatile Memristor With Speech Encryption Application", IEEE Access, vol. 7: IEEE, pp. 174280–174297, 2019. Abstract
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Sayed, W. S., M. F. Tolba, A. G. Radwan, and S. K. Abd-El-Hafiz, "FPGA realization of a speech encryption system based on a generalized modified chaotic transition map and bit permutation", Multimedia Tools and Applications: Springer US, pp. 1-31, 2019. Abstract

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Sayed, W. S., A. G. Radwan, M. Elnawawy, H. Orabi, A. Sagahyroon, F. Aloul, A. S. Elwakil, H. A. Fahmy, and A. El-Sedeek, "Two-dimensional rotation of chaotic attractors: Demonstrative examples and FPGA realization", Circuits, Systems, and Signal Processing, vol. 38, no. 10: Springer US, pp. 4890–4903, 2019. Abstract
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2018
Sayed, W. S., A. G. Radwan, and H. A. H. Fahmy, "Chaos and Bifurcation in Controllable Jerk-Based Self-Excited Attractors", Nonlinear Dynamical Systems with Self-Excited and Hidden Attractors: Springer, Cham, pp. 45-70, 2018. Abstract
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Tolba, M. F., W. S. Sayed, A. G. Radwan, and S. K. Abd-El-Hafiz, "Chaos-based hardware speech encryption scheme using modified tent map and bit permutation", 2018 7th International Conference on Modern Circuits and Systems Technologies (MOCAST): IEEE, pp. 1-4, 2018. Abstract
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Sayed, W. S., A. G. Radwan, and S. K. Abd-El-Hafiz, "Chaotic Properties of Various Types of Hidden Attractors in Integer and Fractional Order Domains", Mathematical Techniques of Fractional Order Systems, pp. 503-528, 2018. Abstract
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Tolba, M. F., W. S. Sayed, A. G. Radwan, and S. K. Abd-El-Hafiz, "FPGA Realization of Speech Encryption Based on Modified Chaotic Logistic Map", 19th International Conference on Industrial Technology, 2018. Abstract
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Tolba, M. F., W. S. Sayed, A. G. Radwan, S. K. Abd-El-Hafiz, and A. M. Soliman, "Hardware Speech Encryption Using a Chaotic Generator, Dynamic Shift and Bit Permutation", 2018 30th International Conference on Microelectronics (ICM): IEEE, pp. 100–103, 2018. Abstract
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Sayed, W. S., S. M. Ismail, L. A. Said, and A. G. Radwan, "On the Fractional Order Generalized Discrete Maps", Mathematical Techniques of Fractional Order Systems, pp. 375-408, 2018. Abstract
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Tolba, M. F., W. S. Sayed, A. G. Radwan, S. K. Abd-El-Hafiz, and A. M. Soliman, "Permutation-only fpga realization of real-time speech encryption", 2018 25th IEEE International Conference on Electronics, Circuits and Systems (ICECS): IEEE, pp. 93–96, 2018. Abstract
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Sayed, W. S., M. F. Tolba, A. G. Radwan, S. K. Abd-El-Hafiz, and A. M. Soliman, "Security and Efficiency of Feistel Networks Versus Discrete Chaos for Lightweight Speech Encryption", 2018 30th International Conference on Microelectronics (ICM): IEEE, pp. 92–95, 2018. Abstract
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Sayed, W. S., A. G. Radwan, and S. K. Abd-El-Hafiz, "Self-Excited Attractors in Jerk Systems: Overview and Numerical Investigation of Chaos Production", Nonlinear Dynamical Systems with Self-Excited and Hidden Attractors: Springer, Cham, pp. 71-86, 2018. Abstract
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Sayed, W. S., M. F. Tolba, A. G. Radwan, and S. K. Abd-El-Hafiz, "Speech Encryption Using Generalized Modified Chaotic Logistic and Tent Maps", 19th International Conference on Industrial Technology, 2018. Abstract
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2017
Sayed, W. S., A. G. Radwan, and H. A. H. Fahmy, "Chaotic systems based on jerk equation and discrete maps with scaling parameters", Modern Circuits and Systems Technologies (MOCAST), 2017 6th International Conference on: IEEE, pp. 1-4, 2017. Abstract
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Radwan, A. G., W. S. Sayed, and S. K. Abd-El-Hafiz, "Control and Synchronization of Fractional-Order Chaotic Systems", Fractional Order Control and Synchronization of Chaotic Systems: Springer International Publishing, pp. 325-355, 2017. Abstract
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Sayed, W. S., A. G. Radwan, A. A. Rezk, and H. A. H. Fahmy, "Finite Precision Logistic Map between Computational Efficiency and Accuracy with Encryption Applications", Complexity, vol. 2017: Hindawi Publishing Corporation, 2017. Abstract
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Sayed, W. S., M. M. R. Henein, S. K. Abd-El-Hafiz, and A. G. Radwan, "Generalized Dynamic Switched Synchronization between Combinations of Fractional-Order Chaotic Systems", Complexity, vol. 2017: Hindawi Publishing Corporation, 2017. Abstract
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Sayed, W. S., H. A. H. Fahmy, A. A. Rezk, and A. G. Radwan, "Generalized Smooth Transition Map Between Tent and Logistic Maps", International Journal of Bifurcation and Chaos, vol. 27, issue 01: World Scientific Publishing Company, pp. 1730004, 2017. Abstract
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2016
Sayed, W. S., and H. A. H. Fahmy, "What are the Correct Results for the Special Values of the Operands of the Power Operation?", ACM Transactions on Mathematical Software (TOMS), vol. 42, issue 2, 2016.