Abstract
Hybrid electric vehicles (HEV) utilize electric power and a mechanical engine for propulsion; therefore, the performance of HEVs is directly influenced by the characteristics of the energy storage system (ESS). The ESS for an HEV generally requires high power performance, long cycle life, reliability and cost effectiveness; thus, a hybrid energy storage system (HESS) that combines different types of storage devices has been considered to fulfill both performance and cost requirements. To improve the operating efficiency and cycle life of a HESS, an advanced dynamic control regime in which pertinent storage devices in the HESS can be selectively operated based on their status is presented. Verification tests were performed to confirm the degree of improvement in energy efficiency. In this paper, an advanced HESS with a battery management system (BMS) that includes an optimal switching control function based on the estimated state of charge (SOC) is presented and verified.
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Shin, D.H., Lee, B.H., Jeong, J.B. et al. Advanced hybrid energy storage system for mild hybrid electric vehicles. Int.J Automot. Technol. 12, 125–130 (2011). https://doi.org/10.1007/s12239-011-0016-x
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DOI: https://doi.org/10.1007/s12239-011-0016-x