Department of Electrical and Electronics Engineering
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Item Disturbance observer-based sliding mode control of boost-flyback converter(IEEE, 2025-04) Bansal, Hari Om; Gautam, Aditya R.This paper presents a disturbance observer based sliding mode control of single-input double-output Boost-flyback dc-dc converter. The converter supplies two outputs i.e. flyback side output and boost side output through common magnetic path of flyback transformer. The power flow through common magnetic path poses the challenges of cross-coupling and crossregulation at line and load transient operations of converter. In this paper, these challenges are alleviated using sliding mode control approach. Moreover, a disturbance observer is also designed to alleviate the effect of cross-regulation at the load transients. The performance of proposed control technique is validated using simulation results.