Abstract
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Article Information:
Robust Sliding Mode Control of Electromagnetic Suspension System with Parameter Uncertainty
Abbas Shiri
Corresponding Author: Abbas Shiri
Submitted: November 17, 2011
Accepted: December 16, 2011
Published: June 15, 2012 |
Abstract:
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Due to the nonlinearities inherent in electromagnetic suspension systems, it is difficult to design a
linear controller which gives satisfactory performance and stability over a wide range of operating points.
Besides, uncertainties in modeling of the system make it difficult to control the system robustly. The parameter
uncertainties such as mass and electric resistance variations of the system and external disturbances affect the
performance of the system. In this study a sliding mode controller is designed which is robust to bounded mass
and electric resistance changes and reject the external disturbances. Besides the robustness of the mentioned
controller, its simplicity makes it interesting to apply to Electromagnetic Suspension System. The system and
controller are simulated in Matlab/simulink environment. The results of the simulations confirm the satisfactory
performance and robustness of the designed controller against uncertainties and disturbances.
Key words: Electromagnetic suspension system, robustness, sliding control, uncertainty, , ,
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Abstract
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Cite this Reference:
Abbas Shiri, . Robust Sliding Mode Control of Electromagnetic Suspension System with Parameter Uncertainty. Research Journal of Applied Sciences, Engineering and Technology, (12): 1677-1683.
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ISSN (Online): 2040-7467
ISSN (Print): 2040-7459 |
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