Zobrazeno 1 - 10
of 89
pro vyhledávání: '"Ehab E. Elattar"'
Autor:
Oluwatayomi Rereloluwa Adegboye, Afi Kekeli Feda, Opeoluwa Seun Ojekemi, Ephraim Bonah Agyekum, Ehab E. Elattar, Salah Kamel
Publikováno v:
IEEE Access, Vol 12, Pp 103271-103298 (2024)
A recently created optimization algorithm named the Dynamic Hunting Leadership (DHL) algorithm was inspired by the leadership tactics used in hunting operations. The foundation of DHL is the idea that successful leadership can significantly increase
Externí odkaz:
https://doaj.org/article/2829bd84f5424375a147c575c3ee751f
Publikováno v:
AIMS Mathematics, Vol 7, Iss 10, Pp 17913-17941 (2022)
Very recently, several novel conceptions of fractional derivatives have been proposed and employed to develop numerical simulations for a wide range of real-world configurations with memory, background, or non-local effects via an uncertainty paramet
Externí odkaz:
https://doaj.org/article/0ccff88cf5764553bddc6857b4659428
Autor:
Pshtiwan Othman Mohammed, Hari Mohan Srivastava, Dumitru Baleanu, Ehab E. Elattar, Y. S. Hamed
Publikováno v:
Electronic Research Archive, Vol 30, Iss 8, Pp 3058-3070 (2022)
In this article, we investigate some new positivity and negativity results for some families of discrete delta fractional difference operators. A basic result is an identity which will prove to be a useful tool for establishing the main results. Our
Externí odkaz:
https://doaj.org/article/e8e9f57a1edd48dc80c54df7fb1b1059
Publikováno v:
Mathematical Biosciences and Engineering, Vol 19, Iss 7, Pp 7272-7283 (2022)
We study the monotonicity method to analyse nabla positivity for discrete fractional operators of Riemann-Liouville type based on exponential kernels, where $ \left({}_{{c_0}}^{C{F_R}}\nabla^{\theta} \mathtt{F}\right)(t) > -\epsilon\, \Lambda(\theta-
Externí odkaz:
https://doaj.org/article/f0a46e5181f9456fa54e7ae4d05734b6
Autor:
Abdullah M. Shaheen, Abdallah M. Elsayed, Ehab E. Elattar, Ragab A. El-Sehiemy, Ahmed R. Ginidi
Publikováno v:
IEEE Access, Vol 10, Pp 64325-64338 (2022)
The basic goal of Combined Heat and Power Economic Dispatch (CHPED) is to find the best value for heat obtained from heat generators, power obtained from power generators, and both power and heat obtained from co-generators such that fuel costs are k
Externí odkaz:
https://doaj.org/article/5df53a07f0964f6baefd9a3628c034b4
Publikováno v:
Energy Reports, Vol 7, Iss , Pp 7170-7185 (2021)
This study proposes a reduced model based on the state space representation for identifying an accurate electric equivalent circuit of Lithium-Polymer Battery Cells. The parameter extraction process is formulated as non-linear optimization problem vi
Externí odkaz:
https://doaj.org/article/e0e7c3eb0b504439a1732e24c9d9c1fe
Autor:
Yi Zhao, Ehab E. Elattar, Muhammad Altaf Khan, Fatmawati, Mohammed Asiri, Pongsakorn Sunthrayuth
Publikováno v:
Results in Physics, Vol 40, Iss , Pp 105842- (2022)
We study the HIV/AIDS infection dynamics using the new concept of piecewise fractional differential equations in the sense of Atangana–Baleanu derivative. The cases of HIV/AIDS in Indonesia have been utilized to provide better fitting to the real d
Externí odkaz:
https://doaj.org/article/a9b36c5e158a4436aecc52a4d482153c
Autor:
Kamel Ouari, Youcef Belkhier, Hafidh Djouadi, Amel Kasri, Mohit Bajaj, Mohammad Alsharef, Ehab E. Elattar, Salah Kamel
Publikováno v:
Frontiers in Energy Research, Vol 10 (2022)
Many studies have been made on the double-fed induction generator wind turbine system (DFIG-WTS) in recent decades due to its power management capability, speed control operation, low converter cost, and minimized energy losses. In contrast, inductio
Externí odkaz:
https://doaj.org/article/0606001b63a4439886aaec47a8bb7c47
Autor:
R. Palanisamy, V. Shanmugasundaram, M. Lakshmi, B. Karthikeyan, Kareem M. Aboras, Mohit Bajaj, Mohammad Alsharef, Ehab E. Elattar, Salah Kamel
Publikováno v:
Frontiers in Energy Research, Vol 10 (2022)
In this paper, Three Dimensional Space Vector Pulse Width Modulation (3D-SVPWM) is developed to obtain the performance analysis of a 3-phase matrix converter (MC). MC is used to convert 3-phase fixed AC voltage to 3-phase variable AC voltage, which p
Externí odkaz:
https://doaj.org/article/48a17339cb9c450a907a44ee490d3edf
Autor:
Salah K. ElSayed, Ehab E. Elattar
Publikováno v:
Alexandria Engineering Journal, Vol 60, Iss 2, Pp 2421-2433 (2021)
This paper presents a new hybrid algorithm of Harris hawks’ optimization with sequential quadratic programming (HHO-SQP) for optimal coordination of directional overcurrent relays to find optimal relays settings. The SQP procedure is employed in th
Externí odkaz:
https://doaj.org/article/5b25e72257234cb0b4f5b6faba9b14bf