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Potential Fuel Consumption Improvement Analysis for Integrated Starter Generator System Base on the New European Drive-cycle
Technical Paper
2008-01-1570
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
A conventional vehicle with gasoline engine was tested on a chassis dynamometer over the new European drive-cycle (NEDC). The distributions of the engine speed and power, the throttle positions during the drive cycle are analyzed. Engine idling, acceleration and deceleration take an important proportion in the drive cycle. If engine idling is instead by engine stop, the fuel consumption will be improved by 2.27%. In an Integrated Starter Generator (ISG) system, with the assist of the starter/generator, transient operation of the engine will decrease, which reduces fuel consumption by 6%. Fuel economy will be also improved by braking regeneration and restricting operating points to an optimized region, the details are not discussed in this paper. To reduce fuel consumption further, the region where engine usually runs in urban traffic, should be paid more attention to while engine calibration.
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Authors
Citation
Hong, M., Zhang, J., Li, J., and Ouyang, M., "Potential Fuel Consumption Improvement Analysis for Integrated Starter Generator System Base on the New European Drive-cycle," SAE Technical Paper 2008-01-1570, 2008, https://doi.org/10.4271/2008-01-1570.Also In
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