The improvement of the functional complexity of the vehicle EOL (End of Line) Line is also becoming more and more complex. Based on the EOL architecture of manufacturing plants and the analysis of service levels, as well as the environmental factors affecting service scheduling, a scalable EOL architecture for functional domain control of intelligent vehicles is proposed, which can adapt to a wider range of detection service levels, facilitate cross-domain module testing to realize data sharing, save development costs and improve quality control.
With the rapid development of automobiles towards electrification and intelligence, 5nm Qualcomm 8295 flagship chip has been gradually applied to traditional and new energy vehicles, which brings higher requirements for high-quality signal transmission. In this study, the signal quality evaluation methods of the insertion loss to crosstalk ratio and the integrated crosstalk noise are explored. In addition, two kinds of differential via optimization schemes with the signal-ground ratio of 1:2 and 2:3 are proposed, respectively. The results show that the performance of the new differential via structure is improved significantly, which provides a reliable solution for high-quality signal transmission.
The course Automotive Electronic Control Technology stands as one of the core subjects within the automotive service engineering, bearing the responsibility of delving into the intricacies of modern vehicle control technology. This article, recognizing the unique characteristics of this course, examines some of the challenges existing within its teaching process. It embarks on an initial exploration, including the development of a blended online and offline teaching model, optimization of classroom instructional techniques, integration of theory and practical components, and a focus on enhancing the course's teaching assessment approach. These reforms are aimed at effectively elevating the quality and efficiency of course instruction, ultimately contributing to the growth and development of the students.
This article explores strategies to improve the quality of English education for automotive majors. Firstly, diverse teaching methods were introduced, including practical and interactive teaching processes, the application of multimedia technology and online resources, personalized teaching methods, project-driven teaching, and the utilization of online learning platforms. Secondly, the importance of establishing a scientific evaluation system was emphasized, including clarifying evaluation objectives and standards, adopting multiple evaluation methods and tools, establishing effective evaluation processes and mechanisms, and conducting self-evaluation and mutual evaluation. Finally, the necessity of strengthening resource support was emphasized, including increasing investment in teaching resources, establishing partnerships with the automotive industry, providing teacher training and further education opportunities, and establishing teacher exchange and cooperation platforms. The implementation of these strategies can improve students' practical application abilities and professional English proficiency.
With the rapid development of the automobile industry, the production quality of auto parts has received unprecedented attention, in which the mold accuracy directly determines the quality and performance of the product. In this paper, the precision control method of automobile injection mold is deeply discussed. From mold design, processing, heat treatment to precision machining and surface treatment, there are factors that can affect accuracy in every link. Through the experimental data, the influence of different control methods on mold accuracy was compared and analyzed, aiming at providing a more scientific and effective precision control strategy for mold manufacturing to meet the pursuit of high-quality parts in modern automobile industry.
With the continuous growth of global energy demand and the increasingly serious environmental problems, the sustainable development of new energy power systems has become the focus of global attention. This paper summarizes the definition and characteristics of new energy power system, analyzes its advantages and challenges in sustainable development, and introduces the method and significance of environmental impact assessment. Through empirical research, this paper discusses the environmental impact assessment framework of new energy power system, including life cycle assessment, environmental risk assessment and ecosystem service assessment. Finally, this paper puts forward the direction and suggestion of further research on sustainable development and environmental impact assessment of new energy power system.
With the upgrading of intelligent technology and the further development of China's social economy, the intelligent automobile industry has shown explosive growth. For car users, safety risks are the most important point to consider in the process of choosing a car, especially for smart cars. This article mainly expounds and analyzes the safety risks of smart cars and some effective measures to deal with the safety risks of smart cars at home and abroad, and puts forward the path of China's response to the safety risks of smart cars in a targeted manner, so as to reduce and eliminate a series of potential safety hazards from the source, meet the actual needs of users for smart cars, and continuously improve the intelligence of cars.
In the design process of various intelligent systems in automobiles, functional safety is one of the key concerns. This article starts from the basic requirements of EPS system functional safety, analyzes the relevant standard requirements, and briefly describes the overall requirements, process design, design compliance, and other aspects of EPS functional safety design. Specifically, in order to meet functional safety requirements, the general methods for EPS software and hardware architecture design and vehicle testing are discussed. It has practical reference significance and can serve as a reference for the development of steering systems for various vehicle models.
In response to issues such as insufficient energy absorption in the front cabin of an electric vehicle and weak bending resistance of the front longitudinal beam, this paper establishes a collision finite element model and conducts a collision safety analysis on the front cabin. By using the optimized Latin square experimental design method to design the thickness of key components, the proxy model with the highest accuracy is selected through error analysis, and the non dominated sorting genetic algorithm NSGA-II is used for iterative optimization to obtain the optimal pareto solution set, and appropriate optimization schemes are selected from it. The comparative analysis of simulation results before and after optimization shows that the optimization has improved the collision safety performance of the entire vehicle, met the requirements of C-NCAP for crashworthiness, and also achieved weight reduction to a certain extent.
With the continuous development of science and technology, intelligent networked cars have gradually become the development trend of the automobile industry. In order to ensure the safety performance of intelligent networked vehicles, it is necessary to carry out road test detection in closed proving ground. This paper mainly studies how to evaluate the safety performance of vehicles in the road test detection of intelligent networked automobile closed test site. Firstly, the characteristics of intelligent networked vehicles and their differences from traditional vehicles are analyzed, and the methods and steps of road test detection in closed proving ground are introduced. Finally, a vehicle running state monitoring and early warning system based on computer vision and deep learning is proposed to improve the safety performance evaluation level of intelligent networked vehicles.
In the past, the development of automotive wiring harnesses was mostly carried out through paper visual inspection and then compared with the content of the drawings one by one. This not only resulted in high labor intensity but also low acceptance rate, which affected the stable development of the automotive industry. With the continuous progress of technology, intelligent displays have gradually been widely used in the automotive wiring harness industry, achieving rapid detection, saving measurement actions, reducing labor intensity, and meeting the modern development requirements of the automotive wiring harness industry.
With the promotion and popularization of new energy vehicles, the battery tray business of new energy parts is more and more increasing, and the market competition is becoming more and more fierce. Under the premise of quality assurance positioning, the project cost can be effectively saved in order to be in an invincible position in the market competition. The flexibility of new energy battery tray production can save the site, reduce the cost input of equipment, tooling and other aspects. It is greatly promoted in various parts factories. In this paper, the flexibility of the new energy vehicle battery tray production line is analyzed, hoping to provide better support for the production of new energy vehicles.
Plate heat exchanger is a kind of high efficient heat exchange equipment. Its internal structure is composed of one or several groups of corrugated metal sheets, the heat transfer section is used for heat exchange in the space between two adjacent plate ripples. The manufacturing method of plate is made by cold stamping, so the quality of plate stamping determines the heat transfer quality of plate heat exchanger. In this paper, the factors affecting the sheet stamping quality of plate heat exchangers are studied in order to provide an important basis for sheet stamping.
With the rapid development of China's automotive industry, the demand for automotive professionals in China is constantly increasing. As the main battlefield for cultivating automotive professionals, universities should do a good job in student management under the combination of engineering and learning training mode, which is conducive to cultivating high-quality practical talents that can better adapt to the social environment and meet the needs of social development. Under the combination of engineering and learning training mode, university student management should focus on four aspects: course management, practical management, evaluation management, and employment management, in order to enhance students' practical, professional, and self-learning abilities, and promote their comprehensive growth.
In the use of highway construction projects, it is necessary to play its role to ensure that its efficacy is shown to the greatest extent. Therefore, in the process of highway maintenance, special attention should be paid to the repair and maintenance of the parts with important road functions. Because of this, asphalt pavement recycling technology has a very wide application prospect in highway maintenance engineering, and from this point of view, the use of in-situ cold recycling technology is more significant. Its advantages are that it is more economical in terms of project cost, the construction process is more safe and reliable, and it can also effectively save resources and improve the construction speed. This technology has been widely used in the rehabilitation of asphalt pavement.
In the intelligent manufacturing activities of automobiles, mechatronics integration technology has good application value. This article discusses the application of mechatronics technology in anti lock braking systems, automated flexible production, collaborative robots, automatic transmission settings, and LiDAR ranging systems. By studying the development trend of mechatronics technology in automotive intelligent manufacturing, the aim is to leverage the advantages of mechatronics technology, improve the quality of intelligent manufacturing for automobiles.
As a leading country in the development and manufacturing of fuel cell vehicles worldwide, Japan's government, automobile manufacturers, and university research institutions have invested a large amount of material, human, and financial resources in this regard. They have also achieved remarkable results in the development of fuel cell and fuel cell vehicle technology, hydrogen energy production and transportation, and even in the exploration of hydrogen society construction. This article will review the development process of fuel cell vehicles in Japan, examine in detail the reasons behind their popularization, and reveal the inspiration and reference significance for the development of fuel cell vehicles in China.
The force on the thigh of the Hybrid III dummy was quantitatively analyzed, and the relationship between the femur force, the contact force of the knee and the sliding displacement of the knee was studied. Based on the dummy knee slider calibration test, the sliding impact characteristics of dummy knee joint were analyzed. It was found that the knee joint sliding response is less affected by the loading rate, and the load and displacement meet Hooke's law. The knee joint sliding stiffness of Hybrid III dummy was obtained. Through the sled test, the component of knee contact force in the direction of thigh axis was solved. The results show that the force transmitted through knee slider accounts for less of femur force when the sliding displacement is small.
To comply with the national strategic layout in the new era, enhance the innovation awareness and entrepreneurial ability of vocational college students, and provide talent training support for high-quality employment in China, this article focuses on integrating innovation and entrepreneurship education throughout the entire process of talent cultivation, integrating the characteristics of vocational colleges with the advantages of industrial and resource chains, and promoting the reform of innovation and entrepreneurship education for college students. This article considers the key links in the construction of college students' innovation and entrepreneurship abilities, integrating career planning courses into the design and teaching practice of craftsmanship courses, solving new problems in the reform of innovation and entrepreneurship education for vocational college students.
