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An algebraic parameter estimation approach to the adaptive observer-controller based regulation of the boost converter
Sira-Ramírez, Hebertt; Fossas Colet, Enric; Spinetti Rivera, Mario
Universitat Politècnica de Catalunya. Institut d'Organització i Control de Sistemes Industrials; Universitat Politècnica de Catalunya. ACES - Control Avançat de Sistemes d'Energia
In this article, a new approach is proposed for the problem of output voltage reference trajectory tracking in a boost converter with unknown, piecewise constant, load resistance values, under the restriction of noisy output voltage measurements alone. We use a nonlinear algebraic parameter estimation approach for the fast computation of the actual value of the stepwise changing load.With this information, a reduced order nonlinear observer for the inductor current is updated as well as a static passive output feedback control law derived on the basis of the exact tracking error dynamics and Lyapunov stability considerations. The average nonlinear adaptive observer-controller scheme is implemented on the switch regulated converter using the averaging features of a Σ − Δ modulator.
Peer Reviewed
Àrees temàtiques de la UPC::Informàtica::Automàtica i control
Electric current converters
DC-to-DC converters
Fast adaptive control
Algebraic identification
Convertidors DC-DC
Convertidores DC-DC
Control adaptatiu ràpid
Control adaptativo rápido
Identificació algebraica
Identificación algebraica
Convertidors DC-DC
Institute of Electrical and Electronics Engineers

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