Analysis of Energy Conversion Efficiency in Parallel and Series Hybrid Powertrains

The aim of this paper is to present a simulation and analytical analysis of the energy conversion efficiency in parallel and series hybrid powertrains. The analytical approach is based on the energy balance equations, whereas the simulation approach is based on an accurate and fast forward-facing si...

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Bibliographic Details
Published in:IEEE transactions on vehicular technology 2007-11, Vol.56 (6), p.3649-3659
Main Authors: Katrasnik, T., Trenc, F., Opresnik, S.R.
Format: Article
Language:English
Subjects:
Accuracy
Analytical models
Applied sciences
Computer simulation
Confidence
Diesel engines
Energy conversion
Energy conversion efficiency
Energy efficiency
Exact sciences and technology
Fuel consumption
Fuel economy
Gear trains
Ground, air and sea transportation, marine construction
hybrid electric vehicle (HEV)
Hybrid electric vehicles
Hybrid vehicles
Ice
Internal combustion engines
Mathematical analysis
Mechanical power transmission
Performance analysis
Road transportation and traffic
Running
simulation
Studies
transient cycle
Vehicle dynamics
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Summary:The aim of this paper is to present a simulation and analytical analysis of the energy conversion efficiency in parallel and series hybrid powertrains. The analytical approach is based on the energy balance equations, whereas the simulation approach is based on an accurate and fast forward-facing simulation model for simulating parallel and series hybrid powertrains. A very good agreement between simulation and analytical results gives confidence pertaining to the accuracy of the performed analysis and confirms the validity of the analytical framework. Thus, combined simulation and analytical analysis enables deep insight into the energy conversion phenomena in hybrid powertrains and reveals the advantages and disadvantages of both hybrid concepts running under different operating conditions. It is obvious from the presented results that the parallel hybrid powertrain features better fuel economy than the series one for the applied test cycles, whereas both hybrid powertrain concepts feature the best fuel economy at light-duty application.
ISSN:0018-9545
1939-9359
DOI:10.1109/TVT.2007.901033