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Appl. Sci. 2018, 8(9), 1641; https://doi.org/10.3390/app8091641

Experimental Evaluation and Prediction Algorithm Suggestion for Determining SOC of Lithium Polymer Battery in a Parallel Hybrid Electric Vehicle

1
Department of Mechanical Engineering, Graduate School, Soongsil University, Seoul 06978, Korea
2
School of Mechanical Engineering, Soongsil University, Seoul 06978, Korea
*
Author to whom correspondence should be addressed.
Received: 3 September 2018 / Revised: 7 September 2018 / Accepted: 10 September 2018 / Published: 13 September 2018
(This article belongs to the Special Issue Plug-in Hybrid Electric Vehicle (PHEV))
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Abstract

The necessity of hybrid vehicles and electric vehicles is widely known for reasons such as fossil fuel depletion, climate change, emission norms mandated by regulations, and so on. Expansion of the hybrid vehicle market is a realistic way to respond to fuel efficiency regulations. Hybrid electric vehicles are continuously challenged to meet cross-attribute performance while minimizing energy usage and component cost in a highly competitive automotive market. Current optimization strategy for a parallel hybrid requires much computational time and relies heavily on the drive cycle to accurately represent driving conditions in the future. With increasing application of the lithium-ion battery technology in the automotive industry, development processes and validation methods for the battery management system (BMS) have attracted attention. The purpose of this study is to propose an algorithm to analyze charging characteristics and improve accuracy for determining state of charge (SOC), the equivalent of a fuel gauge for the battery pack, during the regenerative braking period of a TMED type parallel hybrid electric vehicle. View Full-Text
Keywords: parallel hybrid electric vehicle; regenerative braking; fuel consumption characteristics; energy efficiency; state of charge; lithium polymer battery parallel hybrid electric vehicle; regenerative braking; fuel consumption characteristics; energy efficiency; state of charge; lithium polymer battery
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Cho, I.; Bae, J.; Park, J.; Lee, J. Experimental Evaluation and Prediction Algorithm Suggestion for Determining SOC of Lithium Polymer Battery in a Parallel Hybrid Electric Vehicle. Appl. Sci. 2018, 8, 1641.

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