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Energies 2012, 5(12), 4892-4923; doi:10.3390/en5124892
Article

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

* ,
 and
Department of Automotive Engineering, School of Engineering, Cranfield University, College Road, Cranfield, Bedfordshire, MK43 0AL, UK
* Author to whom correspondence should be addressed.
Received: 21 August 2012 / Revised: 30 October 2012 / Accepted: 16 November 2012 / Published: 23 November 2012
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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 CO2 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 PHEV; battery; energy management; equivalent consumption minimization strategy (ECMS); component sizing; optimization
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Shankar, R.; Marco, J.; Assadian, F. The Novel Application of Optimization and Charge Blended Energy Management Control for Component Downsizing within a Plug-in Hybrid Electric Vehicle. Energies 2012, 5, 4892-4923.

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