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A Novel Adjustable-Speed Buck-Boost Converter-Fed BLDC Motor Drive with Fuzzy PI Controller


P. Ashok Kumar , NBKR Institute of Science & Technology, Vidyanagar; SK. Manjoor Ahamad, NBKR Institute of Science & Technology, Vidyanagar


Fuzzy logic (FL), Bridgeless (BL) buck–boost converter, discontinuous inductor current mode (DICM), power factor correction (PFC)


This paper shows another PFC bridgeless (BL) buck–boost converter for brushless direct current (BLDC) engine drive application in low-control applications. A Fuzzy logic execution in adaptable speed control of BLDC engine is done here. A methodology of rate control of the BLDC engine by controlling the dc bus voltage of the voltage source inverter (VSI) is utilized with a solitary voltage sensor. The controller is intended to track varieties of pace references and settles the yield velocity amid burden varieties. The BLDC has a few preferences contrast with the other kind of engines; however the nonlinearity of the BLDC engine drive attributes, in light of the fact that it is hard to handle by utilizing customary relative basic (PI) controller. So as to tackle this fundamental issue, the Fuzzy logic control turns into a suitable control. To give an inborn PFC at supply ac mains a converter based on buck-boost type is intended to work in broken inductor current mode (DICM). The execution of the proposed commute is mimicked in MATLAB/Simulink environment.

Other Details

Paper ID: IJSRDV5I50233
Published in: Volume : 5, Issue : 5
Publication Date: 01/08/2017
Page(s): 1017-1021

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