The Novel Application of Optimization and Charge Blended Energy Management Control for Component Downsizing within a Plug-in Hybrid Electric Vehicle

Ravi Shankar, James Marco and Francis Assadian
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Ravi Shankar: Department of Automotive Engineering, School of Engineering, Cranfield University, College Road, Cranfield, Bedfordshire, MK43 0AL, UK
James Marco: Department of Automotive Engineering, School of Engineering, Cranfield University, College Road, Cranfield, Bedfordshire, MK43 0AL, UK
Francis Assadian: Department of Automotive Engineering, School of Engineering, Cranfield University, College Road, Cranfield, Bedfordshire, MK43 0AL, UK

Energies, 2012, vol. 5, issue 12, 1-32

Abstract: The adoption of Plug-in Hybrid Electric Vehicles (PHEVs) is widely seen as an interim solution for the decarbonization of the transport sector. Within a PHEV, determining the required energy storage capacity of the battery remains one of the primary concerns for vehicle manufacturers and system integrators. This fact is particularly pertinent since the battery constitutes the largest contributor to vehicle mass. Furthermore, the financial cost associated with the procurement, design and integration of battery systems is often cited as one of the main barriers to vehicle commercialization. The ability to integrate the optimization of the energy management control system with the sizing of key PHEV powertrain components presents a significant area of research. Contained within this paper is an optimization study in which a charge blended strategy is used to facilitate the downsizing of the electrical machine, the internal combustion engine and the high voltage battery. An improved Equivalent Consumption Method has been used to manage the optimal power split within the powertrain as the PHEV traverses a range of different drivecycles. For a target CO 2 value and drivecycle, results show that this approach can yield significant downsizing opportunities, with cost reductions on the order of 2%–9% being realizable.

Keywords: PHEV; battery; energy management; equivalent consumption minimization strategy (ECMS); component sizing; optimization (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2012
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (15)

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