Browsing Engineering by Title
Now showing items 257-276 of 359
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On a SEIR-type model of COVID-19 using piecewise and stochastic differential operators undertaking management strategies
(American Institute of Mathematical Sciences, 2023)In this work, an epidemic model of a susceptible, exposed, infected and recovered SEIR-type is established for the distinctive dynamic compartments and epidemic characteristics of COVID-19 as it spreads across a population ... -
On coupled system of drug therapy via piecewise equations
(World Scientific, 2022)This paper is devoted to establish some theoretical and computational results for a coupled system of drug therapy process. The considered problem is investigated by using the concept of piecewise modeling. We apply piecewise ... -
On existence and stability results for pantograph fractional boundary value problems
(World Scientific, 2022)In this paper, we investigated some essential provisions for the existence and stability of the solution to integral boundary value problems with proportional delay of fractional order Atangana-Baleanu-Caputo (ABC) derivative. ... -
On Learning Spectral Masking for Single Channel Speech Enhancement Using Feedforward and Recurrent Neural Networks
(Institute of Electrical and Electronics Engineers Inc., 2020)Human speech in real-world environments is typically degraded by the background noise. They have a negative impact on perceptual speech quality and intelligibility which causes performance degradation in various ... -
On Subspace Codisk-Cyclicity
(University of Baghdad-College of Science, 2023)Let N be a subspace of an infinite dimensional complex separable on a Hilbert space ℋ. The operator T ∈ ℬ(ℋ) is said to be N-codisk-cyclic, if there is a nonzero vector y in ℋ, then N ∩ {βTn y: β ∈ ℂ, |β| ≥ 1, n ∈ ℕ} is ... -
On the Dynamics of One Parameter Family of Functions fk(x) = kcsc(x) [fk(x) = kcsc(x) ديناميكية عائلة الدوال ذات المعلمة الواحدة]
(University of Baghdad-College of Science, 2022)In this research, we study the dynamics of one parameter family of meromorphic functions * () () +. Furthermore, we describe the nature of fixed points of the functions in,and we explain the numbers of real fixed points ... -
On the path loss model for 5-GHz microwave-based pinless subsea connectors
(Electromagnetics Academy, 2019)In this work, a simple propagation channel model for microwave-based pinless subsea connectors in the 5 GHz band is presented. Both high electromagnetic attenuation in seawater due to absorption and the near-field working ... -
On-Chip Terahertz antenna array based on amalgamation of metasurface-inspired and artificial magnetic conductor technologies for next generation of wireless electronic devices
(Elsevier GmbH, 2023)The paper presents a feasibility study on an innovative terahertz (THz) on-chip antenna array designed to reliably meet the high-performance connectivity requirements for next generation of wireless devices to enable ... -
Optimization of Exploration and Production Sharing Agreements Using the Maxi-Min and Nash Solutions
(MDPI, 2022)Cooperation between supply chain partners in the oil industry is essential, especially when oil prices suffer from fluctuations that affect the profitability of each party. An essential task in oil field development projects ... -
Optimization of fuzzy rules using neural network to control mobile robot in non-structured environment
(Institute of Advanced Engineering and Science, 2023-10)It is still a challenge for all authors to control an autonomous mobile robot in an unstructured environment. The purpose of this paper is to propose a new control method for mobile robots in unstructured environments using ... -
Optimization of the application software in biomechanics and their contribution to the biological field
(Eastern Macedonia and Thrace Institute of Technology, 2019)Biomechanics refers to study of movement within dynamic biological systems. Advancement of computer software technologies such as JAVA language leads to combine stimuli and signals by biological systems and utilize them ... -
Optimum Prediction of the Transfer Length of Strands Based on Artificial Neural Networks
(Elsevier B.V., 2020)As the effectiveness of prestressing is crucially linked to the transfer length (TL) of the strands, this study used Artificial Neural Network (ANN) technique for optimal prediction of TL based on more than 458 data points ... -
p-norms of histogram of oriented gradients for X-ray images
(Institute of Advanced Engineering and Science, 2021)Lebesgue spaces (L p over R n ) play a significant role in mathematical analysis. They are widely used in machine learning and artificial intelligence to maximize performance or minimize error. The well-known histogram ... -
Parametric estimation of gyrotactic microorganism hybrid nanofluid flow between the conical gap of spinning disk-cone apparatus
(Nature Research, 2022)The silver, magnesium oxide and gyrotactic microorganism-based hybrid nanofluid flow inside the conical space between disc and cone is addressed in the perspective of thermal energy stabilization. Different cases have been ... -
Petri net based agent behavioral testing
(Science Publication, 2012)In Multi-Agent System (MAS), developers concentrate on creating design models and evolving them, from higher level models to lower level models, in several steps. Considerable part of MAS implementations is automatically ... -
A petri net based Multi-Agent System behavioral testing
(Canadian Center of Science and Education, 2012)In Multi-Agent System (MAS), developers concentrate on creating design models and evolving them, from higher level models to lower level models, in several steps. Considerable part of MAS implementations is automatically ... -
The potentials, challenges, and future directions of on-chip-antennas for emerging wireless applications - A comprehensive survey
(Institute of Electrical and Electronics Engineers Inc., 2019)The ever-growing demand for low power, high performance, cost-effective, low-profile, and highly integrated wireless systems for emerging applications has triggered the need for the enormous innovations in wireless transceiver ... -
Practical implementation of secondary control principles in an electro-hydraulic speed-variable drive applied to an injection moulding machine
(American Society of Mechanical Engineers, 2023)In this work, a hydraulic state of the art injection molding machine is retrofitted with a dual pump drive. The dual pump drive is an electro-hydraulic speed-variable drive, with focus on high bandwidth control through ... -
Predicting the contribution of recycled aggregate concrete to the shear capacity of beams without transverse reinforcement using artificial neural networks
(Elsevier Ltd, 2020)Although many researchers have studied the shear and flexural behavior of recycled aggregate concrete (RAC) beams, code provisions have not been modified yet to take RAC into account. Therefore, the slow development of ... -
Prediction of nodes mobility in 3-D space
(Institute of Advanced Engineering and Science, 2021)Recently, mobility prediction researches attracted increasing interests, especially for mobile networks where nodes are free to move in the three dimensional space. Accurate mobility prediction leads to an efficient data ...