ROBUSTNESS OF MAGNETIC LEVITATION BY USING FEEDBACK LINEARIZATION BACK-STEPPING AND NONLINEAR DISTURBANCE OBSERVER

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NOURISOLA HAMID; AHMADI BAHAR; AZIZI ASKAR; RIKHTEGARE GIASI AMIR

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Journal: Modeling in Engineering Year:2017 | Volume:15 | Issue:49 Page(s): 29-38

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Title

ROBUSTNESS OF MAGNETIC LEVITATION BY USING FEEDBACK LINEARIZATION BACK-STEPPING AND NONLINEAR DISTURBANCE OBSERVER

Author(s)

NOURISOLA HAMID | AHMADI BAHAR | AZIZI ASKAR | RIKHTEGARE GIASI AMIR | Issue Writer Certificate

Keywords

NONLINEAR DISTURBANCE OBSERVERQ1

FEEDBACK LINEARIZATIONQ2

BACK-STEPPING TECHNIQUEQ1

UNCERTAINTYQ2

EXTERNAL DISTURBANCEQ1

Abstract

In this paper, the position tracking problem of a magnetic levitation system with the EXTERNAL DISTURBANCE and uncertainties is investigated. The dynamic of a magnetic levitation is governed by a SISO third-order nonlinear differential equation and only the position measurement is available for control. In this paper, the combination of the FEEDBACK LINEARIZATION and BACK-STEPPING TECHNIQUEs is used as a new control method for this system. FEEDBACK LINEARIZATION and BACK-STEPPING TECHNIQUEs are introduced as methods for linearization of a system with coordinate transformation and nonlinear designing, respectively. In other hand, NONLINEAR DISTURBANCE OBSERVER has a good ability to estimate disturbances and nonlinear dynamics, so it is combined with designed controller to increase performance of the controller, reducing the effects of disturbances and system uncertainties by estimating them. Simulation results show that the proposed method has a good ability in the position tracking and a good performance in elimination of the EXTERNAL DISTURBANCE and uncertainties.

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APA: Copy

NOURISOLA, HAMID, AHMADI, BAHAR, AZIZI, ASKAR, & RIKHTEGARE GIASI, AMIR. (2017). ROBUSTNESS OF MAGNETIC LEVITATION BY USING FEEDBACK LINEARIZATION BACK-STEPPING AND NONLINEAR DISTURBANCE OBSERVER. JOURNAL OF MODELING IN ENGINEERING, 15(49 ), 29-38. SID. https://sid.ir/paper/173741/en

Vancouver: Copy

NOURISOLA HAMID, AHMADI BAHAR, AZIZI ASKAR, RIKHTEGARE GIASI AMIR. ROBUSTNESS OF MAGNETIC LEVITATION BY USING FEEDBACK LINEARIZATION BACK-STEPPING AND NONLINEAR DISTURBANCE OBSERVER. JOURNAL OF MODELING IN ENGINEERING[Internet]. 2017;15(49 ):29-38. Available from: https://sid.ir/paper/173741/en

IEEE: Copy

HAMID NOURISOLA, BAHAR AHMADI, ASKAR AZIZI, and AMIR RIKHTEGARE GIASI, “ROBUSTNESS OF MAGNETIC LEVITATION BY USING FEEDBACK LINEARIZATION BACK-STEPPING AND NONLINEAR DISTURBANCE OBSERVER,” JOURNAL OF MODELING IN ENGINEERING, vol. 15, no. 49 , pp. 29–38, 2017, [Online]. Available: https://sid.ir/paper/173741/en

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