Real Road Transient Driving Cycle Simulations in Engine TestBed for Fuel Economy Prediction

Balaji Bandaru; L. Navaneetha Rao; P. S. S. Babu; Krishna Kumar Varathan; J. Balaji

doi:10.4271/2014-01-2716

The present work describes an approach to predict the vehicle fuel economy by simulating its engine drive cycle on a transient engine dynamometer in an engine testbed. The driving cycles investigated in the current study were generated from the typical experimental data measured on different vehicles ranging from Intermediate Commercial Vehicle (ICV) to Heavy-duty Commercial Vehicle (HCV) in real-world traffic conditions include various cities, highways and village roads in India.

Reliability and robustness of the method was studied on various engines with cubic capacity from 3.8 liters to 8 liters using different drive cycles, and the results were discussed. Later, using same measured drive cycles, vehicle fuel economy was predicted by a vehicle simulation tool (AVL CRUISE) and results were compared with experimental data. In addition, engine coolant temperature effect on fuel economy was investigated.

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Real Road Transient Driving Cycle Simulations in Engine TestBed for Fuel Economy Prediction 2014-01-2716

SAE MOBILUS