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Influence of State of Charge Estimation Uncertainty on Energy Management Strategies for Hybrid Electric Vehicles

Viktor Larsson (Institutionen för signaler och system, Reglerteknik) ; Lars Johannesson (Institutionen för signaler och system, Reglerteknik) ; Bo Egardt (Institutionen för signaler och system, Reglerteknik)
IFAC Proceedings Volumes. 18th IFAC World Congress, Milano, 28 August - 2 September 2011 (1474-6670). Vol. 18 (2011), p. 9703-9708.
[Konferensbidrag, refereegranskat]

This paper studies how the optimal energy management of a hybrid electric vehicle and a plug-in hybrid electric vehicle is affected by uncertain estimates of the battery state of charge. A simple model for the battery dynamics and the state of charge estimation is postulated, inspired by the known characteristics of previously proposed estimation schemes. Based on the assumption that the drive cycle is perfectly known, the effects of state of charge estimation uncertainty is studied by including the estimation uncertainty in the optimization of the energy management strategy. The simulations indicate lower battery usage and higher fuel consumption as the estimation uncertainty increases.

Nyckelord: Hybrid Electric Vehicles, Energy Management, Estimation Uncertainty



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Denna post skapades 2011-09-05. Senast ändrad 2015-05-08.
CPL Pubid: 145822

 

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Institutioner (Chalmers)

Institutionen för signaler och system, Reglerteknik

Ämnesområden

Energi
Transport
Hållbar utveckling
Reglerteknik

Chalmers infrastruktur