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Title: Fuzzy logic control based high step up converter for electric vehicle applications

Authors: Ravindranath Tagore Yadlapalli; Anuradha Kotapati; Srinivasa Rao Balusu

Addresses: Department of Electrical and Electronics Engineering, R.V.R. & J.C. College of Engineering, Chowdavaram, Guntur, A.P – 522019, India ' Department of Electrical and Electronics Engineering, VNR Vignana Jyothi Institute of Engineering and Technology, Bachupally, Hyderabad, T.S – 500090, India ' Department of Electrical and Electronics Engineering, Velagapudi Ramakrishna Siddhartha Engineering College, Vijayawada, A.P – 520007, India

Abstract: At present, the electric vehicles (EVs) have a dominant role for visualising the pollution less environment. Moreover, it is important to design efficient power conditioning units for fulfilling the desired tasks. With advancements in the technology, the fuel cells (FCs) can provide a better solution for powering the EVs. However, their downside is the production of very low output voltage. Therefore, this necessitates a high step ratio DC-DC converter for providing the desired dc link voltage for DC-AC converter. This paper focuses on fuzzy logic control (FLC) based high gain DC-DC converter for EV applications. The fuzzy controllers are superior in dealing the nonlinearities and plant parameter variations without the need of strict mathematical modelling of the converter system. The converter is simulated with simple voltage mode control as well as FLC based voltage mode control. The MATLAB simulation results are compared for the above two control strategies with an emphasis on the steady state and dynamic regulations.

Keywords: fuel cells; electric vehicles; power converters; control strategies.

DOI: 10.1504/IJICA.2022.121388

International Journal of Innovative Computing and Applications, 2022 Vol.13 No.1, pp.41 - 56

Received: 06 May 2020
Accepted: 25 Jun 2020

Published online: 10 Mar 2022 *

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