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:: Volume 8, Issue 2 (3-2022) ::
2022, 8(2): 98-116 Back to browse issues page
Design of a nonlinear controller to finite time stabilization of electromagnetic suspension system
Mina Ghahestani * , Ahmadreza Vali , Mehdi Siahi
Islamic Azad University, Science and Research Branch , Ghahestani.mina@gmail.com
Abstract:   (2054 Views)
Electromagnetic suspension technology has been developed in recent years due to advantages such as no contact and reduced friction. Of course, ensuring efficiency in these systems requires precise control of the position of the suspended object. Therefore, electromagnetic suspension is considered as a process by control engineers. The dynamics of electromagnetic suspension systems is nonlinear and also include model and parametric uncertainties such as the weight of the suspended object. In this paper, a finite time nonlinear hybrid method is used to stabilize the electromagnetic suspension system. Proof of finite time stability of the proposed method is performed using Lyapunov theory and a relation for calculating the convergence time depends on the controller gains is presented. To ensure the finite time convergence of the system state and output variables, the backstepping algorithm is used and in each step, the finite-time convergence theory is used. The controller designed in this paper is compared with the backsteping method and the superiority of the proposed method in various simulations is shown.
Article number: 6
Keywords: nonlinear control, finite time convergence, Electromagnetic suspension system.
Full-Text [PDF 797 kb]   (514 Downloads)    
Type of Study: Research | Subject: Nonlinear Control
Received: 2021/06/13 | Accepted: 2022/08/23 | Published: 2022/11/25
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Ghahestani M, vali A, Siahi M. Design of a nonlinear controller to finite time stabilization of electromagnetic suspension system. Nonlinear Systems in Electrical Engineering 2022; 8 (2) : 6
URL: http://journals.sut.ac.ir/jnsee/article-1-380-en.html


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Volume 8, Issue 2 (3-2022) Back to browse issues page
سامانه های غیرخطی در مهندسی برق Journal of Nonlinear Systems in Electrical Engineering
نشریه سامانه‌های غیرخطی در مهندسی برق در خصوص اصول اخلاقی انتشار مقاله، از توصیه‌های «کمیته بین‌المللی اخلاق نشر» موسوم به COPE و «منشور و موازین اخلاق پژوهش» مصوب معاونت پژوهش و فناوری وزارت علوم، تحقیقات و فناوری تبعیت می‌کند.
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