Abstract
This paper aims at the parametric drive train design, modeling and performance simulation of a parallel diesel hybrid electric bus(PHEB). AVL/CRUISE and MATLAB/SIMULINK are used for modeling and simulation. The simulation tasks include fuel consumption calculation over the typical city bus drive cycle of China, maximum velocity calculation and acceleration time calculation. Based on the simulation results, a comparative analysis is performed on the portion of fuel consumption in the internal combustion engine consumption map. The simulation shows that the engine operates in a more efficient condition in the hybrid electric bus than that in the conventional bus. Thanks to the hybrid electric drive train system, both fuel economy and traction performance of the bus are enhanced in a considerable step. The simulation analysis fits test results on road and chassis dynamometer well.
Highlights
In recent years, air pollution, as one of the most important environmental problems, has become increasingly serious with the flourishing of automobile industry
There is a popular opinion among the automobile manufacturers that transit buses are especially suitable for hybrid drive train system
The purpose of this paper is to develop a set of hybrid electric propulsive system on the base of a conventional bus with an internal combustion engine(ICE)
Summary
Air pollution, as one of the most important environmental problems, has become increasingly serious with the flourishing of automobile industry. People pay more and more attentions at EVs and HEVs because of the increasing shortage of global oil supplies and the skyrocketing oil price. The first one is that transit buses, unlike other vehicles, have predictable routes with frequent starts and stops that of great convenience for setting control strategies of drive train. Another advantage is that they have large available space for batteries and electric motors. Due to the impulse of government and call of market, Chinese automobile companies show great interests in research and manufacture of HEBs. Demonstration operations in the Beijing Olympic Games and several other big cities in China have gotten very positive feedback. Main tasks include system configuration design, control strategy design, modeling and simulation, and comparing with the results of simulation and tests on road and chassis dynamometer
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