A novel adaptive fuzzy logic controller (AFC) based on an interval type-2 fuzzy controller is proposed for vehicle non-linear active suspension systems. The adaptive strategy elicited from the least-mean-squares optimal algorithm is adopted to self-tune lower bounds and upper bounds of interval type-2 fuzzy membership functions (IMF2S). The IMF2S are utilized in the AFC design to deal with not only non-linearity and uncertainty caused by irregular road inputs and immeasurable disturbance, but also the potential uncertainty of experts knowledge and experience. A case study based on a quarter-vehicle active suspension model has demonstrated that the proposed type-2 controller significantly outperforms conventional fuzzy controllers of an active suspension and a passive suspension.


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    Titel :

    An interval type-2 fuzzy logic controller for quarter-vehicle active suspensions


    Weitere Titelangaben:

    Interval-Type 2-Fuzzy-Regler für aktive Viertelfahrzeug-Federungen


    Beteiligte:
    Cao, J. (Autor:in) / Liu, H. (Autor:in) / Li, P. (Autor:in) / Brown, D. (Autor:in)


    Erscheinungsdatum :

    2008


    Format / Umfang :

    13 Seiten, 32 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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