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Research Article Open access CC BY 4.0

Non-linear Saturation Controller to Reduce the Vibrations of Vertical Conveyor Subjected to External Excitation

Y. A. Amer, A. T. EL-Sayed, M. N. Abd EL-Salam

Asian Research Journal of Mathematics · pp. 1–26 · Published 29 Oct 2018

10.9734/ARJOM/2018/44590

Abstract

In this article, We adjusted the equations by using non-linear saturation controller (NSC) to control the vibrations of vertical conveyor. The system described by a four-degree-of-freedom (4-DOF) including the cubic non-linear terms and external excitations. We applied the multiple scale perturbation technique (MSPT) to obtain the approximate solution. The time histories of the system are investigated numerically with and without NSC control. We investigated the frequency response equations at the simultaneous resonance case (Ω1≅ω1, Ω2≅ω2, ω1≅2ω3, ω2≅2ω4) numerically using Runge-Kutta of fourth order. We studied the numerical simulation to obtain the effectiveness of the different parameters on the system using MATLAB program. Finally, we submitted a comparison of previously published studies.

NSC multiple scale perturbation stability vertical conveyor simultaneous resonance

Cited by 11

A Suitable Active Control for Suppression the Vibrations of a Cantilever Beam

Y. A. Amer, A. T. EL-Sayed, M. N. Abd EL-Salam · Sound&Vibration · 2022

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