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Simulation Analysis and Match of Power Train System for Fuel Cell Electric Vehicle

Author: WangGang
Tutor: QiaoWeiGao；WuZhiXin
School: Wuhan University of Technology
Course: Vehicle Engineering
Keywords: Fuel cell electric vehicles Power matching Fuzzy Control Simulation
CLC: U469.722
Type: Master's thesis
Year: 2008
Downloads: 530
Quote: 7
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Abstract


Problems associated with the world of environmental pollution and the energy crisis has become increasingly prominent, internal combustion engine vehicles through a century of development, safety, energy conservation, environmental protection, comfortable and inexpensive and so has made significant progress, but it had to face the oil resources are depleted the status quo. According to the survey, the annual oil consumption of the car is about 90 billion barrels of proven oil resources scientists predict will run out early next century. Facing the sustainable development, the atmosphere environmental protection and the challenges of global warming, as well as noise restrictions. Low-emission, non-polluting car cleaning much the attention of various car-producing countries. Pure electric and hybrid vehicles came into being. Fuel cell vehicles with its near-zero emissions, the energy conversion efficiency is relatively high, the noise characteristics, has become one of the hotspots of the major car companies. This paper first introduces the structure and classification of fuel cell vehicles. Analysis of the advantages and disadvantages of various types of fuel cell and a battery composed of a hybrid vehicle (FC B) selected for the study. FC B-type fuel cell vehicles can solve the fuel cell system corresponding to the dynamic slow, the output characteristic of the fuel cell start, sudden acceleration, and climbing steep slopes can not meet the requirements of the problem of the traveling of the vehicle. In the process of moving, the battery can provide sufficient auxiliary energy for a long time, especially in the automotive brake energy recovery process, recovery feedback power, and further extend the system to use the time to improve the efficiency of the vehicle power system. In this paper, respectively, compared to the main components of the fuel cell hybrid vehicle drive system, determine the fuel cell, battery, motor type. The characteristics of the power source for the fuel cell hybrid vehicles car requirements Experimental study of proton exchange membrane fuel cell drive motor. The test results show that the selected components fully meet the requirements of the dynamic performance of the vehicle. At the same time, in order to reduce the hydrogen consumption based on vehicle demand power and battery SOC control strategy for the control parameters of fuzzy. Vehicle simulation model created in Matlab / Simulink software platform with backward simulation methods to develop a fuel cell - battery energy source system control strategy, a domestic economy hatchback sedan prototype simulation software ADVISOR2002 fuel cell - battery hybrid vehicle power system simulation analysis and parameter matching. And set specific conditions for the simulation study. Simulation results show that: in the specific conditions of the simulation, the dynamic performance of the fuzzy control strategy of fuel cell hybrid vehicles to fully meet the power requirements of the beginning of the set, compared to recent years, well-known foreign manufacturers to research and development of fuel cell vehicles, power performance similar vehicle fuel efficiency is improved.

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CLC: > Transportation > Road transport > Automotive Engineering > A variety of automotive > Various energy vehicles > Electric vehicles > Cell vehicles
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