A Sliding Mode Voltage Controller and a Lyapunov-Based Current Controller for a Bridgeless Boost PFC

Articles in Press

Document Type : Original Article

Authors

1 Department of Electrical Engineering, Iran university of science and technology, Tehran, Iran.

2 R&D Department of Nian Electronic Co. Mashhad, Iran

10.22077/ijpe.2025.7046.1006

Abstract

In this paper, a bridgeless boost PFC (BBPFC) with a 2nd order sliding mode controller (SMC) as a voltage controller and a Lyapunov-based current controller is proposed. Using a bridgeless structure leads to less power dissipation due to the elimination of the diode bridge. Moreover, since the boost inductor operates as EMI filter, as well, the implementation costs and difficulties will decrease. On the other hand, a second order SMC is used to attenuate the voltage ripples and chattering. Since the voltage loop has no direct influence on the switching signal, the chattering problem will be mitigated significantly and high-frequency ripples will not appear in the gate signal of the converter. In addition, by using a Lyapunov-based current controller, the stability of the current controller is guaranteed. The experimental prototype of the system is provided. Experimental results show that BBPFC with SMC and Lyapunov-based controllers gives satisfactory results in improving the power quality of the input current.

Keywords

Iranian Journal of Power Engineering

Articles in Press, Accepted Manuscript
Available Online from 10 December 2025

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