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Modelling and Control of Series HEVs Including Resistive Losses and Varying Engine Efficiency
Mittuniversitetet, Fakulteten för naturvetenskap, teknik och medier, Institutionen för naturvetenskap, teknik och matematik.
KTH.
KTH.
Scania CV AB.
2009 (engelsk)Inngår i: SAE Paper 2009-01-1320, 2009Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

A model of a series HEV (Hybrid Electric Vehicle) including resistive losses in the energy storage and varying engine and generator efficiency is presented. The purpose is to study how system properties affect the optimal control of series HEVs. We show that there is an inherent trade-off in the control of such a system, based on the characteristics of the efficiency curve of the EGU (Engine and Generator Unit) together with the energy storage internal resistance, capacitance and energy level. The relation between these properties determines the optimal control of the EGU, and this is thus the mechanism behind all optimal control problems using a similar model setup. We illustrate our reasoning using deterministic dynamic programming where system properties are varied and the optimal control is studied.

sted, utgiver, år, opplag, sider
2009.
Identifikatorer
URN: urn:nbn:se:miun:diva-10376OAI: oai:DiVA.org:miun-10376DiVA, id: diva2:277954
Konferanse
SAE World Congress 2009
Tilgjengelig fra: 2009-11-23 Laget: 2009-11-23 Sist oppdatert: 2009-11-23bibliografisk kontrollert

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