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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Journal of optimization theory and applications 94 (1997), S. 241-250 
    ISSN: 1573-2878
    Keywords: Model validation ; fault diagnosis ; state estimation ; uncertain systems
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract The paper presents a new approach to model validation and fault diagnosis problems for a class of uncertain systems in which the uncertainty is described by an integral quadratic constraint. The new approach is developed by applying methods from linear quadratic optimal control theory. This leads to a method for model validation and fault diagnosis which is based around a robust Kalman filter type structure.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Journal of optimization theory and applications 96 (1998), S. 87-107 
    ISSN: 1573-2878
    Keywords: H ∞-optimal control ; nonlinear systems ; uncertain systems ; absolute stabilizability ; structured uncertainty ; nonlinear S-procedure ; discrete-time systems
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract This paper applies a recent result on nonlinear H ∞-optimal control to give a necessary and sufficient condition for the existence of a state feedback controller which absolutely stabilizes a discrete-time uncertain nonlinear system with structured uncertainty. The class of uncertain systems being considered contain uncertainties which satisfy a certain sum constraint. This sum constraint is a nonlinear discrete-time version of the integral quadratic constraint uncertainty description. The main result is established by using a nonlinear S-procedure result, which enables the robust absolute stabilization problem to be converted into a equivalent nonlinear H∞-optimal control problem.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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