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Author: search.filters.author.Nimpitiwan, NatthaphobSubject: search.filters.subject.Electro-hydraulic servo system

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    Item type:Publication,
    Structured robust control for MIMO systems using artificial intelligent techniques
    (2012-01-16)
    Kaitwanidvilai, Somyot
    ;
    Olranthichachat, Piyapong
    ;
    Nimpitiwan, Natthaphob
    In this chapter, a new technique called fixed-structure robust control using artificial intelligent (AI) technique is proposed to enhance both performance and stability of controlled system. In this approach, the structure of controller is specified and the robust stabilization problem is solved by AI techniques. The advantages of simple structure, robustness and high performance can be achieved. In this paper, two multiple inputs multiple outputs (MIMO) controller design problems, i.e., robust control design for electro-hydraulic servo system and fixed-structure robust mixed-sensitivity approach for three phase inverter are illustrated. Simulation results show that the proposed controller has simpler structure than that of conventional robust controller, and the stability margin obtained indicates the robustness of the proposed controller. © 2012 Springer Science+Business Media, LLC.