Automotive Science and Engineering
Iran University of Science & Technology
Mon, Jul 15, 2024
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Volume 12, Issue 1 (3-2022)
ASE 2022, 12(1): 3750-3761 |
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Mollajafari M, Kouhyar F. Simultaneous Optimization of Fuel and Electrical Energy Consumption in Forward-Looking Hybrid Electric Vehicle. ASE 2022; 12 (1) :3750-3761
URL: http://www.iust.ac.ir/ijae/article-1-597-en.html
URL: http://www.iust.ac.ir/ijae/article-1-597-en.html
Iran University of Science and Technology
Abstract: (4481 Views)
Recently, number of Hybrid Electric Vehicles (HEV) is on the rise due to concerns over environmental issues. By combining fuel and electricity as two sources of power, this type of vehicle is capable of bettering fuel economy and lowering emission. In this work, fuel and electrical energy consumption of a parallel hybrid electric vehicle are investigated through TEH-CAR urban drive cycle. For this purpose, a forward looking model is developed in AVL CRUISE M. To ensure adequacy of the model and take engine gas path components’ dynamic interaction into account, a crank based model with individual cylinders is utilized. Furthermore, a throttle filter is presented to slow down engine’s response and also, allow the electric motor to have the larger share of delivering power in transients. Finally, genetic algorithm is used to find optimal values for throttle filter parameter and electric motor load ratio, in order to have minimal overall fuel and electrical energy consumption. The optimization results show 1.2% of fuel and 20.2% of total energy consumption reduction in comparison with conventional torque assist.
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