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Application of Sliding Mode Control to the design of a Buck-based sinusoidal Generator
Biel Solé, Domingo; Fossas Colet, Enric; Guinjoan Gispert, Francisco; Alarcón Cot, Eduardo José; Poveda López, Alberto
Universitat Politècnica de Catalunya. Institut d'Organització i Control de Sistemes Industrials; Universitat Politècnica de Catalunya. ACES - Control Avançat de Sistemes d'Energia
This paper is devoted to the design of a sliding-mode control scheme for a buck-based inverter, with programmable amplitude, frequency, and dc offset, with no external sinusoidal reference required. A general procedure for obtaining an autonomous (time independent) switching surface from a time-dependent one is presented. For this surface, the system exhibits a zeroth-order dynamics in sliding motion. On the other hand, from the sliding-domain analysis, a set of design restrictions is established in terms of the inverter output filter Bode diagram and the output signal parameters (amplitude, frequency and dc offset), facilitating the subsequent design procedure. The control scheme is robust with respect to both power-stage parameter variations and external disturbances and can be implemented by means of conventional electronic circuitry. Simulations and experimental results for both reactive and nonlinear loads are presented.
Peer Reviewed
Àrees temàtiques de la UPC::Informàtica::Automàtica i control
Control theory
Sinusoidal generation
Sliding-mode control
Switching converters
Generación sinusoidal
Generació sinusoïdal
Control en modo deslizante
Control en mode lliscant
Convertidores conmutados
Convertidors commutats
Control, Teoria de
Convertidors commutats
Classificació INSPEC::Convertors::Power convertors::Switching convertors
Artículo
Institute of Electrical and Electronics Engineers (IEEE)
         

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