design of a pid controller for a linearized magnetic bearing

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ID: 207218
2015
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Abstract
This paper presents the study of magnetic bearings regarding a linear model. Initially, the advantages of magnetic bearings are referenced, in relation to the existing technology. Subsequently, the linearized model of the system is presented and the need for closed loop and control of the system is clarified. This need leads to further analysis of linear controllers like P, I, D, PI, PD, and PID. For each of them, the stability of closed loop system is studied, using the characteristic equation of the system and the Routh-Hurwitz criterion. To this end, the boundary conditions for the existence of the stability of each of them are found and presented. After finding the controllers’ characteristic parameters which could provide stability to the system, simulation tests with existence of white noise follow. Finally, the proposed PID controller performance is examined, based on existing laboratory data, and results concerning the stability of this controller are presented.
Reference Key
psonis2015internationaldesign Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Theodore K. Psonis;Pantelis G. Nikolakopoulos;Epaminondas Mitronikas
Journal ACS omega
Year 2015
DOI
10.1155/2015/656749
URL
http://dx.doi.org/10.1155/2015/656749
Keywords
engineering (general) civil engineering (general)

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