Publications by authors named "Ahmed B Abou Sharaf"

"PolynetDWTCADx" is a sophisticated hybrid model that was developed to identify and distinguish colorectal cancer. In this study, the CKHK-22 dataset, comprising 24 classes, served as the introduction. The proposed method, which combines CNNs, DWTs, and SVMs, enhances the accuracy of feature extraction and classification.

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The exploration of perovskite compounds incorporating actinide and divalent elements reveals remarkable characteristics. Focusing on PbBkO, RaBkO, and SrBkO, these materials were studied using density functional theory (DFT) via the CASTEP code to analyze their electronic, optical, and mechanical properties. The results show semiconductor behavior, with respective band gaps of 1.

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Article Synopsis
  • The paper explores the use of Model-Free Predictive Control (MFPC) in power electronic systems, focusing on an improved adaptive integral sliding mode observer (AISMO) to better estimate unknown factors in an ultra-local model (ULM).
  • The proposed AISMO-MFPC aims to enhance control accuracy by estimating system parameters based on current errors, leading to independent control of the system.
  • To achieve lower current ripple, the method incorporates active vector execution time (AVET), allowing for multiple vector selections during a sampling period, which results in faster system responses and reduced harmonics.
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A wind turbine system (WTS) is a highly coupled and nonlinear system where the output power depends upon highly uncertain wind speed. Therefore, the quality of produced power becomes a challenging problem for researchers. Direct Vector Control (DVC) is a powerful and widely utilized power control strategy to deal with winds that vary rapidly and randomly.

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