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- 저자 : M. ESFAHANIAN (검색결과 1 건)
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M. ESFAHANIAN,A. SAFAEI,H. NEHZATI,V. ESFAHANIAN,M. M. TEHRANI 한국자동차공학회 2014 International journal of automotive technology Vol.15 No.6
In this paper a package for designing, modelling and simulation of three hybrid powertrains are presented. These powertrains are Electric hybrid, Hydraulic hybrid and Flywheel hybrid. The differences among the proposed hybridpowertrains include the energy storage system components, the secondary power converter and also the powertrainconfiguration. The O457 city bus is considered as the benchmark vehicle. At first, the design process for each hybridpowertrain which is based on the power requirements of the bus in any driving condition is presented. Then, the powertrainsmodelling using MATLAB/Simulink as a powerful simulating tool is presented. The models are feed-forward and resemblethe real world driving conditions. Each model has the blocks for the main components of the corresponding propulsion system. The most important stage in the modeling process is implementing of the components efficiency in each powertrain. Moreover, there is a block in each hybrid powertrain model for the energy management. Finally, the simulation results forcomparing the usefulness of the hybrid powertrains are presented. The results indicate that the electric hybrid powertrain hasthe most effect on reducing the bus fuel consumption. But regarding the fabrication expenses and manufacturing complexity,the hydraulic hybrid powertrain is recommended.
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