The invention and application of automobiles have made important contributions to the development of human civilization. With the innovation of computer technology and the change of people’s understanding, the structure, driving system and working efficiency of automobiles are changing and improving. Today, more than 100 years later, cars are still an important means of transportation in people’s daily life. Automobile industry has played a great role in contemporary world economic activities, bringing convenience to people’s lives, increasing many employment opportunities and bringing huge wealth. It has become one of the pillar industries of world economic development. While automobiles have made great contributions to human civilization, the air pollution caused by automobile exhaust has seriously affected people’s living environment. Today’s cars on the market use two kinds of energy sources, petroleum fuel and electric energy. In order to solve the environmental problems and energy crisis brought by the development of automobile industry, electric vehicles are favored by governments of various countries and major automobile companies in the world. Because of its advantages of energy efficiency, wide sources of electric energy and environmental protection, an upsurge of developing electric vehicles has swept the world. Today, with the rapid development of electric vehicles, battery life has become a serious obstacle to their faster development. So as to improve the cruising range of electric cars, that is significant to increase the battery quality or energy density, which also greatly increases the cost of electric vehicles and is not conducive to the further promotion of electric vehicles. We can conduct in-depth research on improving the braking energy recovery and utilization rate of electric vehicles. From the perspective of environmental protection, electric vehicles have zero emissions. Even if the exhaust emissions from power plants and other power generation methods are included, the air pollution can still be greatly reduced. The requirements of society for sustainable development and its own advantages make electric vehicles the correct direction for the future development of automobile industry.
With the development of new energy electric vehicle technology, its application is more and more popular, not only in the field of passenger cars, but also in the field of commercial vehicles. Based on this, this paper first analyzes the matching of electric vehicle dynamics and electric drive system, secondly, carries out the matching and design of electric vehicle power system parameters, and finally optimizes and simulates the power system.
The rapid increase of car ownership makes a lot of energy consumption, but also leads to environmental pollution. Meanwhile, the emission of pollutants is low or even zero, which attracts the attention of government departments and relevant departments of automobile industry. As an important “organ” of electric vehicles, the parameter adjustment of power system has a far-reaching impact on the power and economy of vehicles. In this paper, the parameters of the power system are adjusted for a specific type of electric vehicle. A certain type of electric vehicle is taken as the basis of this paper, and the key technologies and key points and difficulties in the power system parameter matching are explored.
With the continuous development of urbanization in China, urban traffic problems are gradually highlighted. In the future, intelligent transportation system will be the most important method to solve the demand of urban traffic. The realization of intelligent transportation system requires real-time perception and monitoring of road traffic conditions. Fortunately, with the continuous development of mobile communication, satellite positioning, Internet of Things, big data and other technologies, GNSS, RFID, microwave, geomagnetic, video and other acquisition methods have been widely used in information perception in the field of urban traffic. Based on the concept of intelligent transportation, this paper constructs an intelligent transportation system based on Internet network technology, which has a certain guiding significance for the construction of intelligent transportation under computer network technology.
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