This paper presents the design of a robust observer based controller for four-tank coupled system (FTCS) using higher-order sliding-mode control scheme. The FTCS is considered as a multiple-input and multiple-output (MIMO) nonlinear system having significant coupled dynamics. The problem of liquid level control for FTCS is considered to achieve the desired set point. First, a sliding mode observer of higher order has been designed so that the estimated states achieve convergence to the plant states. Based on this observer, a robust controller using super-twisting algorithm has been proposed which can improve the performance of the FTCS. The applicability of this proposed robust controller for FTCS has been illustrated through simulation studies. Finally, a comparison has been made with the existing controller for FTCS to show the efficacy of proposed control scheme.


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    Titel :

    Higher-Order Sliding-Mode Observer Based Robust Controller Design for Four-Tank Coupled System


    Beteiligte:
    Kashyap, Rituraj (Autor:in) / Jaggi, Neena (Autor:in) / Pratap, Bhanu (Autor:in)


    Erscheinungsdatum :

    01.06.2019


    Format / Umfang :

    1283533 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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