A DSP-based active disturbance rejection control design for a 1-kW H-bridge DC-DC power converter
Bosheng Sun; Zhiqiang Gao
Industrial Electronics, IEEE Transactions on
Volume 52, Issue 5, Oct. 2005 Page(s): 1271 - 1277
Digital Object Identifier   10.1109/TIE.2005.855679
Summary: This paper presents the design and implementation of an advanced digital controller for a 1-kW H-bridge dc-dc power converter. A new control algorithm based on the active disturbance rejection concept is developed to cope with the highly nonlinear dynamics of the converter and the disturbances. An experimental digital control system is used to implement the new control strategy. It consists of a digital control board based on the TMS320C6711 digital signal processor chip, an analogy I/O board, and a complex programmable logic device pulsewidth-modulation generation board. Using a newly developed bandwidth-parametrization technique, an autotuning method based on noise quantification is also developed and tested. Experimental results show the advantages and flexibilities of the new control method for the H-bridge dc-dc power converter.

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