The market of the hybrid electric vehicles has been increasing for several years. Different commercial EV and PHEV solutions are available for passenger cars and light vehicles for freight deliveries. However, the market of heavy trucks still regards traditional ICE vehicles powered by diesel oil fuel. The recent interest for electric solutions have been pushing the development of the hybrid solutions, but only micro-hybrid systems are considered feasible for heavy truck applications. The proposed research aims to define a methodological approach with a virtual model in order to simulate the behavior of a hybrid heavy truck. The scope of this research is the feasibility analysis of a retrofit hybrid heavy truck. A real driving cycle has been used in order to obtain reliable results in terms of cost, energy consumption and gas emission. The layout of the hybrid system has been proposed as well as the sizing of battery and electric motor. A commercial tool has been used for the vehicle modelling and simulation. As a test case, an 18-ton truck has been analyzed with a 10-liter diesel engine. Firstly, the simulation of the diesel truck has been reproduced considering the real driving cycle data. Secondly, the simulation activity has been focused on the evaluation of the hybrid system behavior by investigating different battery sizes with the same boundary conditions related to the real driving cycle.
A Virtual Modelling of a Hybrid Road Tractor for Freight Delivery
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Cicconi, P, Landi, D, & Germani, M. "A Virtual Modelling of a Hybrid Road Tractor for Freight Delivery." Proceedings of the ASME 2016 International Mechanical Engineering Congress and Exposition. Volume 12: Transportation Systems. Phoenix, Arizona, USA. November 11–17, 2016. V012T16A028. ASME. https://doi.org/10.1115/IMECE2016-68013
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