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Robust Sliding Mode Control of Electromagnetic Suspension System with Parameter Uncertainty
並列摘要
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.
延伸閱讀
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