Performance Comparison for Series and Parallel Modes of a Hybrid Electric Vehicle

Abstract

Recently, the studies in the automotive sector has concentrated on hybrid electric vehicle. The better results in fuel economy and vehicle performance values have been achieved with the hybrid electric vehicle technology. In this study, the fuel consumption and vehicle performance values are compared to the series and parallel hybrid electric modes of a conventional street sweeper by using AVL Cruise. Nowadays, there are many driving cycles used in the analysis of fuel consumption and vehicle performans. However the current driving cycles are not appropriate for the vehicles designed for a particular function (carrying, lifting, sweeping etc.) such as street sweepers in terms of velocity and functionality. For this reason, a driving cycle was constructed by taking into consideration the daily tasks of the street sweepers with the help of AVL Cruise. The series and parallel hybrid electric configurations of the street sweeper were analyzed separately. Consequently, the demanded power (kW) from the internal combustion engine and its fuel consumption (L/h) were investiageted under the specific operating conditions in the driving cycle. The simulations show that the series hybrid mode has better fuel economy and vehicle performance.

Keywords

• Hybrid Electric Vehicle,Simulation,Fuel Consumption,vehicle performance

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