PWM power converters are close to be mature for standard diffusion. New FPGA technologies could now realise at best the digital control key-points: flexible performance and time to market. The paper deals with the new digital control properties of FPGA-based techniques. On the basis of reference structures, a comparative analysis is carried-out trading-off dynamic performances and immunity to PWM environment. All possible sampled control or DSP techniques are firstly analysed and compared to each other. A breakthrough concept for FPGAs is defined, definitely solving for PWM feedback immunity by practical over-sampling and parallel processing while improving dynamic performances. Simulation tests and the application of dead-beat control clearly point-out the respective dynamic properties.

Comparative Analysis among DSP and FPGA-based Control Capabilities in PWM Power Converters / Fratta, Antonino; Griffero, G.; Nieddu, S.. - STAMPA. - (2004), pp. 257-262. ((Intervento presentato al convegno IEEE-IECON’2004 tenutosi a Pusan (Corea del Sud) nel November 02-06 [10.1109/IECON.2004.1433319].

Comparative Analysis among DSP and FPGA-based Control Capabilities in PWM Power Converters

FRATTA, Antonino;
2004

Abstract

PWM power converters are close to be mature for standard diffusion. New FPGA technologies could now realise at best the digital control key-points: flexible performance and time to market. The paper deals with the new digital control properties of FPGA-based techniques. On the basis of reference structures, a comparative analysis is carried-out trading-off dynamic performances and immunity to PWM environment. All possible sampled control or DSP techniques are firstly analysed and compared to each other. A breakthrough concept for FPGAs is defined, definitely solving for PWM feedback immunity by practical over-sampling and parallel processing while improving dynamic performances. Simulation tests and the application of dead-beat control clearly point-out the respective dynamic properties.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11583/1411885
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