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Journal of Applied Sciences
  Year: 2011 | Volume: 11 | Issue: 1 | Page No.: 66-75
DOI: 10.3923/jas.2011.66.75
 
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H_infinity Controller Design to Control the Single Axis Magnetic Levitation System with Parametric Uncertainty

Basheer Noaman Hussein, Nasri Sulaiman, R.K. Raja Ahmad, Mohammad Hamiruce Marhaban and Hazem I. Ali

Abstract:
In this study the force control design of single axis magnetic levitation system using H_infinity controller is presented. First, the system dynamics are linearized and described in transfer function form. Second, the magnetic force is regulated using H_infinity controller to achieve robust stability, disturbance/noise rejection and asymptotic tracking. A multiplicative unstructured model extracted from the parametric uncertainty is used for H_infinity control design. The obtained results showed that robust stability and performance have been achieved. On the other hand, an improved and more reliable time response compared with previous work also has been achieved in this study.
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How to cite this article:

Basheer Noaman Hussein, Nasri Sulaiman, R.K. Raja Ahmad, Mohammad Hamiruce Marhaban and Hazem I. Ali, 2011. H_infinity Controller Design to Control the Single Axis Magnetic Levitation System with Parametric Uncertainty. Journal of Applied Sciences, 11: 66-75.

DOI: 10.3923/jas.2011.66.75

URL: https://scialert.net/abstract/?doi=jas.2011.66.75

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