Simulation Analysis And Match Of Power Train System For Fuel Cell Electric Vehicle

The environment pollution and energy crisis are becoming increasingly acute. The traditional internal combustion engine has been developed for 100 years. Although it makes a great progress in terms of safety, energy conservation, and environmental protection, comfortable and cheap, it also had to face the increasing depletion of the oil. According to the investigation report, the car consumes about 90 million barrels of oil annually. Scientists predict that the world's known oil resources will run out early in the next century. Face with the strategy of sustainable development, environmental protection and the greenhouse effect, as well as noise restrictions. The low emissions, no-pollution vehicle draw more and more attention. Pure electric, hybrid electric vehicle are available. Because of zero emissions, high efficiency of energy conversion, low noise, and other features, the fuel cell vehicle has become a searching spot.The structure and classification of fuel cell vehicle were firstly introduced in this thesis. This article analysis the advantages and disadvantages of each type, a fuel cell hybrid consisting of a fuel cell and a pack of batteries was chose to research. The type of FC + B fuel cell vehicle can sole the problem that the fuel cell system's dynamic response is very slow. It can meet the energy requirement of start-up, acceleration and upgrade. When the vehicle is running, batteries can provide long-time energy. Especially in the breaking process, they can regenerate the energy. So that to extend the life time and improve efficiency. In this article, the main components of fuel cell hybrid electric vehicle drive system were compared. And then the fuel cell, battery and motor were determinate. The experiments of the proton exchange membrane fuel cell and motor were carried out to prove that it meet the power requirements. In order to decrease of fuel consumption, fuzzy control strategy is used in the fuel cell vehicle. This strategy based on vehicle battery power requirement and SOC control parameters.Adopting back simulated method to build simulated model of the entire vehicle based on Matlab/Simulink software platform, working out the energy control strategy of the fuel-cell & battery system. Finding a certain type of domestic saloon as prototype in order to make some simulation analysis as well as parameter match of the fuel-cell & battery HEV under certain driving cycle by using ADVISOR2002.The simulation result showed that: Under certain driving cycle, the dynamic performance of the fuel-cell HEV could satisfy the driving force call by using fuzzy control strategy, and entire vehicle fuel efficiency gets rise. Compared to the mature production designed by famous automobile manufacturer, the driving force function of this HEV is in the same level.