Browse Publications Technical Papers 2004-40-0044

A Summarised Fuel Consumption Balancing of the Autark Hybrid Drive Line 2004-40-0044

During a special scientific project (SFB 365), supported by the DFG, a parallel hybrid concept for passenger cars, called the Autark Hybrid, was developed, assembled and investigated.
The drive line consists an electric engine supplied by a 120V-Ni/MH-battery for about 30 km electrical driving distance and a turbo diesel engine. Both engines use the same gearbox, the i2-gearbox, which is specially designed to have a wide spreading. Significant fuel savings are achieved by recuperation of kinetic energy and by avoidance of inefficient operation of the ic-engine at areas of low power demand.
The results from the research project concerning fuel consumption, respectively fuel saving will be presented and discussed in this paper. The adjustment between simulation and test rig investigations shows problems by the practical realisation of operation strategy and operation mode of the powertrain elements. As result smaller fuel savings can be realised than predicted.


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