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1 Ampère 2 Shanghai Institute of Electrical and Control Engineering

Abstract : Analogue control of monolithic DC-DC converters is technologically coming to a limit due to high switching frequency and a request for large regulation bandwidth. Digital control is now experimented for low-power low-voltage switch-mode power supply. Digital implementation of analogue solutions does not prove real performances. This paper compares a classical digital controller to a candidate alternative strategy. Sensitivity functions are used to compare controller performances. An off-line approach using fuzzy logic to quantify controller performances and a genetic algorithm to obtain an optimal controller is presented. A so-called RST algorithm optimized with this approach shows better performances.





Autor: Xuefang Lin-Shi - Florent Morel - Bruno Allard - Dominique Tournier - Jean-Marie Rétif - Shuibao Guo - Yanxia Gao -

Fuente: https://hal.archives-ouvertes.fr/



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