Zobrazeno 1 - 10
of 61
pro vyhledávání: '"Nasser. A. Saeed"'
Publikováno v:
AIMS Mathematics, Vol 9, Iss 10, Pp 27627-27663 (2024)
Main objective of this research to eliminate the resonant vibrations and stabilize the unstable motion of a self-excited structure through the implementation of an innovative active control strategy. The control strategy coupling the self-excited str
Externí odkaz:
https://doaj.org/article/55a87747e6e4412b9ececc95fce07a83
An integer-valued polynomial $P(x,y,z)$ is said to be universal (over $\mathbb Z$) if each nonnegative integer can be written as $P(x,y,z)$ with $x,y,z\in\mathbb Z$. In this paper, we mainly introduce a new technique to determine the universality of
Externí odkaz:
http://arxiv.org/abs/2410.14605
Publikováno v:
SN Applied Sciences, Vol 5, Iss 1, Pp 1-39 (2022)
Abstract This article presents the Proportional Integral Resonant Controller (PIRC-controller) as a novel control strategy to suppress the lateral vibrations and eliminate nonlinear bifurcation characteristics of a vertically supported rotor system.
Externí odkaz:
https://doaj.org/article/a33f5c4726a44d299fb4278e80cbff44
Publikováno v:
Journal of Low Frequency Noise, Vibration and Active Control, Vol 41 (2022)
In this study, the Integral Resonant Controller (IRC) is presented along with the Proportional-Derivative (PD) controller as a novel control technique to control the dynamical behaviors of the 12-pole rotor active magnetic bearing system. According t
Externí odkaz:
https://doaj.org/article/37a3b58bc3ec43458211a0e760869c28
Akademický článek
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Publikováno v:
IEEE Access, Vol 8, Pp 138859-138883 (2020)
Rotor active magnetic bearings system is the most efficient supporting technique of high-speed rotating machinery. This work aims to explore the dynamical behaviors of the 6-pole rotor active magnetic bearings system for the first time. Two different
Externí odkaz:
https://doaj.org/article/a067138efd9946cf88e11836b8f3e027
Autor:
Nasser A. Saeed, Galal M. Moatimid, Fawzy M. Elsabaa, Yomna Y. Ellabban, Mohammed A. El-Meligy, Mohamed Sharaf
Publikováno v:
IEEE Access, Vol 8, Pp 226151-226166 (2020)
Six different time-delayed controllers are introduced within this article to explore their efficiencies in suppressing the nonlinear oscillations of a parametrically excited system. The applied control techniques are the linear and nonlinear versions
Externí odkaz:
https://doaj.org/article/7fa0d3f916c94d129bfa1eabfaa7dc45
Autor:
Nasser A. Saeed, Sabry M. El-Shourbagy, Magdi Kamel, Kamal R. Raslan, Jan Awrejcewicz, Khaled A. Gepreel
Publikováno v:
Applied Sciences, Vol 12, Iss 16, p 8300 (2022)
Nonlinear vibration control of the twelve-poles electro-magnetic suspension system was tackled in this study, using a novel control strategy. The introduced control algorithm was a combination of three controllers: the proportional-derivative (PD) co
Externí odkaz:
https://doaj.org/article/03cd7fea502b4332a0814963e00d5b22
Publikováno v:
Applied Sciences, Vol 12, Iss 13, p 6688 (2022)
Within this work, the radial Proportional Derivative (PD-) controller along with the eight-poles electro-magnetic actuator are introduced as a novel control strategy to suppress the lateral oscillations of a non-linear Jeffcott-rotor system. The prop
Externí odkaz:
https://doaj.org/article/f3fdd107b24c4de8aed1cbae1d20cfcd
Publikováno v:
Applied Sciences, Vol 12, Iss 8, p 3902 (2022)
Within this work, an advanced control algorithm was proposed to eliminate the non-linear vibrations of the rotor electro-magnetic suspension system. The suggested control algorithm is known as the Adaptive Linear Integral Positive Position Feedback c
Externí odkaz:
https://doaj.org/article/21c7b682038c4c1cb53451f456671178