Disturbance observer-based control of a dual output LLC converter for solid state lighting applications

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Feedback sensor isolation is often an expensive necessity in power converters, for reasons of safety and electromagnetic compatibility. A disturbance observer-based control strategy for a dual-output resonant converter is proposed to overcome this problem. Current control of two LED loads is achieved through estimation rather than measurement. Robustness against temperature changes, which have significant impact on the behaviour of the LEDs, is achieved through estimation of offsets in the forward voltages of the LED-strings. The power converter and LEDs are modelled accurately to obtain a good estimation accuracy. The whole implementation is steered towards a low cost solution.
Originele taal-2Engels
TitelProceedings of the 2010 International Power Electronics Conference (IPEC), 21-24 June 2010, Sapporo, Japan
Plaats van productiePiscataway
UitgeverijInstitute of Electrical and Electronics Engineers
Pagina's1042-1049
ISBN van geprinte versie978-1-4244-5394-8
DOI's
StatusGepubliceerd - 2010

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  • Citeer dit

    Roes, M. G. L., Duarte, J. L., & Hendrix, M. A. M. (2010). Disturbance observer-based control of a dual output LLC converter for solid state lighting applications. In Proceedings of the 2010 International Power Electronics Conference (IPEC), 21-24 June 2010, Sapporo, Japan (blz. 1042-1049). Institute of Electrical and Electronics Engineers. https://doi.org/10.1109/IPEC.2010.5542073