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Including a Battery State of Health model in the HEV component sizing and optimal control problem

Lars Johannesson (Institutionen för signaler och system, Reglerteknik) ; Nikolce Murgovski (Institutionen för signaler och system, Mekatronik) ; Soren Ebbesen ; Bo Egardt (Institutionen för signaler och system, Reglerteknik) ; Esteban R. Gelso ; Jonas Hellgren
IFAC Advances in Automotive Control (1474-6670). Vol. 7 (2013), 1, p. 398-403.
[Konferensbidrag, refereegranskat]

This paper studies convex optimization and modelling for component sizing and optimal energy management control of hybrid electric vehicles. The novelty in the paper is the modeling steps required to include a battery wear model into the convex optimization problem. The convex modeling steps are described for the example of battery sizing and simultaneous optimal control of a series hybrid electric bus driving along a perfectly known bus line. Using the proposed convex optimization method and battery wear model, the city bus example is used to study a relevant question: is it better to choose one large battery that is sized to survive the entire lifespan of the bus, or is it beneficial with several smaller replaceable batteries which could be operated at higher c-rates?

Nyckelord: hybrid electric vehicle, convex optimization, batteries, optimal dimensioning and control, battery state of health



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Denna post skapades 2013-06-17. Senast ändrad 2015-07-28.
CPL Pubid: 178610

 

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