Nonlinear control of a magnetic levitation system

Jesus Liceaga-Castro, Diana Hernandez-Alcantara, Luis Amezquita-Brooks

Research output: Contribution to conferencePaper

5 Citations (Scopus)

Abstract

In this paper the identification, analysis, design and implementation of a controller for the ECP730 magnetic levitation system is presented. The system model, which presents interesting structural properties reported here for the first time, is nonlinear and hence a feedback linearization approach is used. In addition, an external control loop with an integral factor is used to achieve zero steady state error. Due to the nonlinear nature of the static friction and the integral factor, the control system presents a stick-slip behavior. In order to eliminate such effect in the steady state, a switching controller is implemented. This approach switches between a linear controller with and without integral factor. Real time results showing the control system performance are included. © 2009 IEEE.
Original languageEnglish
Pages391-396
Number of pages6
DOIs
Publication statusPublished - 1 Dec 2009
Externally publishedYes
EventCERMA 2009 - Electronics Robotics and Automotive Mechanics Conference -
Duration: 1 Dec 2009 → …

Conference

ConferenceCERMA 2009 - Electronics Robotics and Automotive Mechanics Conference
Period1/12/09 → …

Fingerprint

Magnetic levitation
Controllers
Control systems
Stick-slip
Feedback linearization
Structural properties
Identification (control systems)
Switches
Friction

Cite this

Liceaga-Castro, J., Hernandez-Alcantara, D., & Amezquita-Brooks, L. (2009). Nonlinear control of a magnetic levitation system. 391-396. Paper presented at CERMA 2009 - Electronics Robotics and Automotive Mechanics Conference, . https://doi.org/10.1109/CERMA.2009.10
Liceaga-Castro, Jesus ; Hernandez-Alcantara, Diana ; Amezquita-Brooks, Luis. / Nonlinear control of a magnetic levitation system. Paper presented at CERMA 2009 - Electronics Robotics and Automotive Mechanics Conference, .6 p.
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Liceaga-Castro, J, Hernandez-Alcantara, D & Amezquita-Brooks, L 2009, 'Nonlinear control of a magnetic levitation system' Paper presented at CERMA 2009 - Electronics Robotics and Automotive Mechanics Conference, 1/12/09, pp. 391-396. https://doi.org/10.1109/CERMA.2009.10

Nonlinear control of a magnetic levitation system. / Liceaga-Castro, Jesus; Hernandez-Alcantara, Diana; Amezquita-Brooks, Luis.

2009. 391-396 Paper presented at CERMA 2009 - Electronics Robotics and Automotive Mechanics Conference, .

Research output: Contribution to conferencePaper

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AB - In this paper the identification, analysis, design and implementation of a controller for the ECP730 magnetic levitation system is presented. The system model, which presents interesting structural properties reported here for the first time, is nonlinear and hence a feedback linearization approach is used. In addition, an external control loop with an integral factor is used to achieve zero steady state error. Due to the nonlinear nature of the static friction and the integral factor, the control system presents a stick-slip behavior. In order to eliminate such effect in the steady state, a switching controller is implemented. This approach switches between a linear controller with and without integral factor. Real time results showing the control system performance are included. © 2009 IEEE.

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Liceaga-Castro J, Hernandez-Alcantara D, Amezquita-Brooks L. Nonlinear control of a magnetic levitation system. 2009. Paper presented at CERMA 2009 - Electronics Robotics and Automotive Mechanics Conference, . https://doi.org/10.1109/CERMA.2009.10