Abstract Advanced robustness analysis methods employed in flight control law clearance such as IQC-analysis and μ-analysis, rely on linear fractional representations (LFRs). These models are usually obtained from linear parameter varying (LPV)-models which approximate the behaviour of the underlying parameter uncertain nonlinear aircraft model. The generation of LPV-models is usually done starting from a collection of linearised state-space models describing the local behaviour of the nonlinear aircraft for a representative set of parameter values and flight conditions. In this chapter we propose an optimisation-based generation method to convert these linear models into an LPV-model, by minimising a suitable $\mathcal{H}_2$ error norm. Although computationally more demanding than the alternative element-wise approximation approach, the new method often produces LPV-models with lower complexity.


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    Titel :

    Identification of LPV State-Space Models Using $\mathcal{H}_2$ -Minimisation


    Beteiligte:


    Erscheinungsdatum :

    2012-01-01


    Format / Umfang :

    18 pages





    Medientyp :

    Aufsatz/Kapitel (Buch)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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