Hybrid Energy Storage System Sizing in Electric Vehicles Using Butterfly Optimization Algorithm

Achikkulath Prasanthi, Hussain Shareef, Madathodika Asna

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)


Carbon dioxide emission from transportation systems surpassed emission from any other energy sector. Thus, electric vehicles (EV) have gained extensive awareness among society as this can scale down the greenhouse gas emissions. Present internal combustion engine vehicles have considerable performance and none of the alternative source can individually replace them. Hence, hybridization of multiple sources is indispensable. In this paper, a multi-objective optimization problem is developed to optimally size a battery unit (BU)-ultracapacitor (UC) hybrid energy supply system (HESS) of an EV. The performance indices considered for optimization are the investment cost of the source system, combined weight of multi-sources and dynamic source degradation. Initially, the dynamic variation of source parameters is contemplated in the modelling. Then the power demand by the electric vehicle power train is shared amongst the BU and UC using the wavelet transformation approach. The property of multi resolution analysis makes the wavelet technique very attractive in analysis and synthesis. Thus, the power splitting can be realized between BU and UC effectively. In this work the butterfly optimization algorithm is implemented to optimize BU-UC HESS sizing for a given drive cycle. The problem is solved for the combination of urban dynamometer driving schedule and Artemis rural drive cycle. The simulation results show that the proposed method can provide least possible cost and weight with less BU and UC degradation for HESS in EV.

Original languageEnglish
Title of host publicationZEMCH 2021 - 8th Zero Energy Mass Custom Home International Conference, Proceedings
EditorsKheira Anissa Tabet Aoul, Mohammed Tariq Shafiq, Daniel Efurosibina Attoye
PublisherZEMCH Network
Number of pages10
ISBN (Electronic)9789948310006
Publication statusPublished - 2021
Event8th Zero Energy Mass Custom Home International Conference, ZEMCH 2021 - Dubai, United Arab Emirates
Duration: Oct 26 2021Oct 28 2021

Publication series

NameZEMCH International Conference
ISSN (Electronic)2652-2926


Conference8th Zero Energy Mass Custom Home International Conference, ZEMCH 2021
Country/TerritoryUnited Arab Emirates


  • Hybrid electric vehicle
  • Hybrid energy storage system
  • Optimal sizing
  • Power splitting
  • Wavelet transformation

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Safety, Risk, Reliability and Quality
  • Building and Construction
  • Architecture
  • Renewable Energy, Sustainability and the Environment
  • Computer Science Applications


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