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25 February 2025, Volume 50 Issue 4 Previous Issue   
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New Energy Vehicle
Intelligent Connected Vehicle
Design and Research
Testing and Experiment
Automobile Education
Standards·Regulations·Management


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New Energy Vehicle

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State of Health Estimation of Lithium-ion Batteries Based on the OCSSA-DELM-ICEEMDAN Model LIU Yixin1 , XIE Zhipeng*2 , LEI Ao1 , YANG Jia2 , LIU Pengfei1 2025, 50(4): 1-8,26.  DOI: 10.16638/j.cnki.1671-7988.2025.004.001 Abstract ( )   PDF (1200KB) ( )   Lithium-ion battery health estimation is critical for ensuring their safe use and optimizing the energy management of electric vehicle battery packs. To overcome the shortcomings of existing methods in prediction accuracy, a hybrid model combining improved complete ensemble empirical mode decomposition with adaptive noise (ICEEMDAN), osprey-cauchy-sparrow search algorithm (OCSSA), and deep extreme learning machine (DELM) is proposed. ICEEMDAN algorithm is used to decompose the battery capacity decay data and separate the high-frequency and low-frequency components. The sparrow search algorithm (SSA) is improved by chaotic mapping, osprey optimization and cauchy variation to improve the parameter optimization accuracy. OCSSA optimizes DELM model parameters to enhance prediction accuracy. In order to verify the effectiveness of the proposed method, this paper tests the data set of the national aeronautics and space administration (NASA) and the center for advanced life cycle engineering (CALCE). The experimental results show that the model has high prediction accuracy and stability, and the average absolute error and root mean square error of the model prediction are within 1%. Moreover, high prediction accuracy is still maintained when predicting multiple steps in the future. References | Related Articles | Metrics

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Current Situation and Prospect of Redundancy of Electric Vehicle Line Control System DENG Dejie, CHEN Wenxi, HU Zhuo, ZHANG Guozheng, ZHAO Chenbo 2025, 50(4): 9-15.  DOI: 10.16638/j.cnki.1671-7988.2025.004.002 Abstract ( )   PDF (2314KB) ( )   As one of the keys composition to the intelligent chassis control system of electric vehicle, the brake-by-wire system is the basis for realizing the braking control of autonomous vehicle. With the increasing requirements of vehicle intelligence, the requirements of braking system also increase, and the brake-by-wire system with redundant backup function is getting more and more attention. This paper expounds the structure, composition and function of the brake-by-wire system from two aspects of electronic hydraulic brake (EHB) system and electronic mechanical brake (EMB) system, simply introduces the redundancy principle and characteristics of different brake-by-wire system, and puts forward the development prospect of the redundancy of electric vehicle brake-by-wire system. As a result, multi-level redundancy control of the brake-by-wire system will be the direction of future focal point research. References | Related Articles | Metrics

Intelligent Connected Vehicle

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Research on SLAM Based on Multi-sensor Fusion Technology ZHANG Shun, LI Xuejiao, QIN Xiaoting, HUANG Ying 2025, 50(4): 16-19.  DOI: 10.16638/j.cnki.1671-7988.2025.004.003 Abstract ( )   PDF (1912KB) ( )   The research on multi-sensor fusion simultaneous localization and mapping (SLAM) is crucial for improving the reliability of autonomous vehicles. Multi-sensor fusion technology can help unmanned vehicles better identify environmental information, plan routes, and navigate and position, achieving more reliable and precise autonomous driving functions. Based on an unmanned car platform, this paper starts from the perspective of fusing visual sensors and lidar for map building and positioning, and studies the test results and characteristics of multi-sensor fusion map building and navigation positioning to propose suggestions and methods for improving the reliability of autonomous vehicle operation. Through testing, using visual sensor and lidar data fusion for map building and localization can effectively enhance the accuracy and reliability of autonomous vehicles in stereoscopic collision avoidance scenarios. References | Related Articles | Metrics

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Research on Path Planning of Unmanned Vehicles by Integrating Improved A * Algorithm and Dynamic Window Approach HE Yang, YU Xiaonan* 2025, 50(4): 20-26.  DOI: 10.16638/j.cnki.1671-7988.2025.004.004 Abstract ( )   PDF (1301KB) ( )   Aiming at the issues like low search efficiency, redundant nodes and poor obstacle avoidance flexibility of the traditional A* algorithm in the path planning of unmanned vehicles, a method of integrating improved A* and dynamic window approach for unmanned vehicle path planning is proposed. The simulation results show that compared with the traditional A* algorithm, the improved A* algorithm reduces the average search time by 66.81%, the average turn times by 43.65%, the average number of traversing nodes by 46.73%, and the average path length by 2.55%. The fusion algorithm can achieve random obstacle avoidance based on the global optimal path. References | Related Articles | Metrics

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Path Planning and Steering Obstacle Avoidance Control Method of Intelligent Vehicle WANG Xiaoqing, CUI Tongchuan, SUN Weicheng, LI Yulong 2025, 50(4): 27-33.  DOI: 10.16638/j.cnki.1671-7988.2025.004.005 Abstract ( )   PDF (1084KB) ( )   The application of model predictive control (MPC) based local path planning algorithm in the field of autonomous driving is becoming increasingly widespread, but this method is prone to planning failure and poor obstacle avoidance effect caused by external parameter changes. To address this issue, an objective function is proposed that includes trajectory deviation, front wheel deflection angle, and obstacle avoidance function. Simulation analysis is conducted under the constraint conditions, and a nonlinear model is established that includes vehicle speed, adhesion rate, and obstacle avoidance weight to optimize local path planning and obstacle avoidance function. By designing three controllers, namely polynomial fitting, adaptive fuzzy logic, and back propagation (BP) neural network, adaptive control of obstacle avoidance weights has been achieved. Build a Simulink/CarSim joint simulation platform to verify the effectiveness of local path planning and obstacle avoidance functions for three controllers. The results show that the BP neural network controller has the best comprehensive performance and good adaptability to different road adhesion conditions, vehicle speeds, and expected paths. References | Related Articles | Metrics

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Intrusion Detection System in Intelligent Connected Vehicle Based on Two-step Algorithm JIAN Yongpei1 , WU Zhi1 , XIONG Di2 , JIA Xianfeng1 2025, 50(4): 34-40,78.  DOI: 10.16638/j.cnki.1671-7988.2025.004.006 Abstract ( )   PDF (1024KB) ( )   The intelligent connected vehicle is an inseparable object in the internet of things. In terms of ensuring the safety and reliability of vehicles, the automotive industry is facing great challenges. In this context, intelligent connected vehicle providers are committed to providing secure systems that keep users safe from possible cyber attacks. This paper presents an embedded intrusion detection system for intelligent networked vehicles, which uses a two-step algorithm to detect possible network attacks. In order to evaluate the effectiveness of this method, experimental tests are carried out, classical accuracy evaluation parameters are calculated, and comparison is made with network attack data sets in the literature. The results show that this method has better detection performance for common network attacks (DoS, fuzzy, impersonation). When testing this method under Free State attacks, performance degrades. References | Related Articles | Metrics

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Research on the Evaluation System of Vehicle Intelligent Networking Based on FAHP LI Yin 2025, 50(4): 41-46.  DOI: 10.16638/j.cnki.1671-7988.2025.004.007 Abstract ( )   PDF (849KB) ( )   This paper analyzes the research status of intelligent network evaluation technology, and the shortcomings of intelligent network system evaluation in the industry, and puts forward the overall goal of building intelligent network system index system. The intelligent network evaluation index system is constructed from four aspects: safety performance, user experience, intelligence level and basic performance. The index weight is defined by expert scoring and evaluation method. A hierarchical model for fuzzy evaluation of vehicle intelligent network system is established by applying multi-level fuzzy method. Comprehensive consideration of all aspects affecting the vehicle intelligent network system, to make a comprehensive decision on the model, so as to obtain the comprehensive subjective evaluation results of the system. The evaluation model constructed in this paper is used to carry out intelligent network connection system evaluation and comparison between model A and competing models. The evaluation results show that the intelligent network connection evaluation of model A is at a "high" level, which is consistent with the subjective evaluation feelings of real cars. The shortcomings of the evaluation of intelligent network system are solved, and a relatively complete evaluation system, method and process are established. References | Related Articles | Metrics

Design and Research

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Failure Analysis and Design Improvement of Exhaust Pipe Clamp on Certain Heavy-duty Vehicle LIU Yuhang 2025, 50(4): 47-51.  DOI: 10.16638/j.cnki.1671-7988.2025.004.008 Abstract ( )   PDF (2093KB) ( )   Exhaust pipe clamp on one certain heavy-duty vehicle experienced failure during use. After microscopic morphological observation, the fracture surface shows the hint of fatigue failure. The operating conditions of heavy duty vehicles include motor transport and in situ load. Firstly, experiments aiming at studying the vibration conditions of exhaust pipe clamp under these two working conditions are arranged and the two measuring points vibration acceleration values near fracture surface are get. The experiments results shows that exhaust pipe clamp occurred abnormally vibration when the vehicle works at power take-off condition and the engine works full load at 1 700 r/min. The modal simulation is done and the comparison between simulation results and experiment data frequency domain signal leads to the resonance occurred around 138 Hz. To avoid the failure happening again, the redesign of exhaust pipe clamp is done. The redesigned structure improves its modal frequency and can effectively avoid resonance. Finally, the experiments on redesigned structure find that the measuring points vibration acceleration decreased when the engine works at lower speed and increased when engine works at high speed. The redesigned structure doesn′t lead to significantly change of main frequencies, but the failure doesn′t happen in the course of subsequent use. References | Related Articles | Metrics

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Design and Simulation Research of Intelligent Cockpit Domain Controller with Liquid Cooling Heat Dissipation LI Xiaojun, ZHOU Youzhi 2025, 50(4): 52-56.  DOI: 10.16638/j.cnki.1671-7988.2025.004.009 Abstract ( )   PDF (2066KB) ( )   With the improvement of automobile intelligence, the number of controlled hardwares for intelligent cockpit domain controllers is increasing, which requires chips with higher power and load, resulting in higher requirements of chip heat dissipation. In order to solve the problem of chip heat dissipation, an intelligent cockpit domain controller based on liquid cooling heat dissipation is designed, which includes two control boards of system on chip (SoC) and gateway control boards. By setting a liquid cooling cooling device on the upper cover that is in contact with the SoC chip, the SoC chip with high heat dissipation demand due to high calculation load and power can get rapid heat dissipation. The lower cover is set with zigzag stripes to increase the heat dissipation area for the gateway board control card heat dissipation. The flow velocity distribution, pressure distribution and temperature distribution of liquid cooling are studied by thermal simulation. The results of thermal simulation and measured data show that under the condition of water cooling cycle, the temperature of each chip under stable operation is much lower than its node temperature, and the heat dissipation effect is good. References | Related Articles | Metrics

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Hydro Mount Dynamic Characteristic Calculation and Tuning Investigation of Engine WANG Lei, CAO Ru, LI Xiang, LI Lan 2025, 50(4): 57-61.  DOI: 10.16638/j.cnki.1671-7988.2025.004.010 Abstract ( )   PDF (1438KB) ( )   Hydro mount, as an important engine shake reduce device, the principle is to combine the spring and the damper into a compact unit, and the performance of the spring and the damper can be adjusted independently to achieve the ideal shake reduce effect. Based on the working principle of hydraulic mount, the paper explores the mathematical model of hydro mount and provide the theoretical calculation method of hydraulic mount damping peak value and damping angle. By the comparison between test and calculation indicates that the theoretical calculation method can predict the vibration response of the hydro mount. In addition, based on mathematic modal, this study analyzes the influence of the parameters of the mount on the dynamic characteristics of the hydraulic mount is given. These analysis results can provide theoretical guidance for the design and optimization of hydro mounts. References | Related Articles | Metrics

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Optimization and Verification of Heat Damage Problem of Double Anti-torsion Rod Mount in a PHEV Vehicle PENG Jiayan, DUAN Lian, WEN Jiaqi, GUAN Qingyun 2025, 50(4): 62-66.  DOI: 10.16638/j.cnki.1671-7988.2025.004.011 Abstract ( )   PDF (1524KB) ( )   Aiming at the thermal damage problem of a plug-in hybrid electric vehicle (PHEV) double torsion rod suspension, STAR-CCM+ and TAITherm software are used for coupling simulation to obtain the temperature field of the double torsion rod suspension, and the causes of overheating are analyzed. Then an optimal scheme of engine room bottom protection plate with V-shaped flow guide structure is proposed, and the influence of the angle of flow guide gas dam on the ambient temperature of double torsion rod suspension bushing is analyzed. The simulation results show that the optimized scheme can better direct the low-temperature air flow outside the vehicle into the designated position of the engine room through the gas dam and V-shaped diversion structure, reduce the temperature field of the double torsion rod suspension and the surrounding area, and meet the temperature resistance requirement of the ambient temperature ≤90 ℃. Finally, the optimization scheme is installed on the real vehicle and the whole vehicle test is carried out to verify. The collected test results are compared with the simulation results, and the relative error is only 3.1%, which proved that the simulation analysis had good accuracy and reliability, and finally successfully solved the thermal damage problem of the double-torsion suspension. References | Related Articles | Metrics

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Forward Design Development and Validation of Vehicle Anticorrosive Performance HE Jiazhi, WANG Bin, WANG Deyuan, LIU Chunlin 2025, 50(4): 67-71.  DOI: 10.16638/j.cnki.1671-7988.2025.004.012 Abstract ( )   PDF (1978KB) ( )   The vehicle anticorrosive performance of forward design development and validation are beneficial for improving the quality of vehicle models, market competitiveness, and brand reputation, and it’s crucial for domestic car companies to build global competitiveness and promote the upward development of brand. This article puts forward the "pyramid" model and the "V-shaped" work promotion strategy for anticorrosive performance at three levels: vehicle, system and component, material and process. The target setting for vehicle anticorrosive affected by laws regulations, environmental factors and anticorrosive quality guarantee is discussed. The design key points and basic principles of the whole process of product development such as system and components, materials and processes are analyzed in detail. And provide recommendations for selecting galvanizes steel plates based on the typical parts anticorrosive risk classification of body-in-white parts. It is hope that it can provide reference for vehicle anticorrosive performance forward design development and promote quality improvement. References | Related Articles | Metrics

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Heavy Trucks AMT Based on Driving Behavior and Driving Conditions Performance Study HUA Xin, ZHANG Xinrong 2025, 50(4): 72-78.  DOI: 10.16638/j.cnki.1671-7988.2025.004.013 Abstract ( )   PDF (1325KB) ( )   At present, automatic transmission of commercial vehicles has become a trend, and major domestic commercial vehicle manufacturing enterprises are actively researching and promoting it. The evaluation and acceptance of automatic manual transmission (AMT) shifting performance in heavy-duty commercial vehicles has become a popular research direction in the field of power systems. Most evaluation methods still rely on traditional fixed driving routes, which cannot comprehensively test the performance of AMT to guide development and optimization directions. This article proposes a multidimensional AMT performance testing method for different operating conditions, and conducts testing and analysis on the AMT of a heavy-duty commercial vehicle; Through research, it has been found that intense driving, mountainous areas with multiple slopes, and frequent acceleration and deceleration on national highways can lead to poor performance evaluation References | Related Articles | Metrics

Testing and Experiment

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Analysis of Lower Limb Injury of Child Pedestrian in Low Speed Vehicle Collision HU Xiaowen 2025, 50(4): 79-84.  DOI: 10.16638/j.cnki.1671-7988.2025.004.014 Abstract ( )   PDF (1648KB) ( )   To investigate the injury mechanisms and influencing factors of child pedestrians in traffic accidents, a finite element simulation is conducted using a child model from a full-body safety simulation. The study focused on the lower limb injuries sustained by children in collisions with different vehicle types at speeds below 40 km/h. A total of 69 simulation data sets are obtained under various conditions, including different orientations, impact locations, and vehicle types. Based on these simulation results, a multi-factor coupling femur stress prediction model is established and validated with 24 additional simulation models. The simulation results indicated that frontal collisions with child pedestrians at speeds exceeding 28 km/h would likely result in lower limb fractures. The combined effects of the relative position between the pedestrian's leg and the vehicle, as well as the pedestrian's facing orientation, significantly influenced the tibial stress values upon impact. It is found that the least damage to the lower limbs occurred when the child pedestrian is facing away from the vehicle, whereas the most severe damage is observed when the pedestrian is struck at the license plate area of the vehicle. The simulation data and stress model provide valuable references and modeling approaches for road safety research concerning child pedestrians. References | Related Articles | Metrics

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Road Test Research on Extreme Environmental Adaptability of Automotive Chip HE Junnan1 , WANG Xiangdong2 , DONG Xiaofei1 , WANG Long2 , WU Hao1 2025, 50(4): 85-88.  DOI: 10.16638/j.cnki.1671-7988.2025.004.015 Abstract ( )   PDF (1044KB) ( )   In response to the "bottleneck" problem of automotive chip in the automotive industry, this article conductes research on the adaptability of pure electric passenger vehicle control chip in extreme environments, including high-cold environment, high-hot environment, high-humidity environment, and high-altitude environment. A self-developed control chip and controller are selected and replaced with 12 pure electric passenger vehicles. The test locations are Yakeshi in Inner Mongolia, Turpan in Xinjiang, Qionghai in Hainan, and Golmud in Qinghai, with a total driving distance reach 3×105 km. The extreme environment during the experimental process is a minimum temperature below -40 ℃, a maximum temperature above 50 ℃, a maximum relative humidity above 95 ℃, and a maximum altitude above 4 700 m. Meanwhile, a series of targeted operation tests and test case checks are conducted, and no faults related to the vehicle controller, onboard core control chip, or vehicle control operating system occurres. Research findings will provide effective experimental method guidance and experience reference for relevant testing work in the industry. References | Related Articles | Metrics

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Research and Solution of Vehicle Lateral Shaking ZHANG Hongjun, XIA Renfeng* 2025, 50(4): 89-92,127.  DOI: 10.16638/j.cnki.1671-7988.2025.004.016 Abstract ( )   PDF (1955KB) ( )   Due to differences in the arrangement angle and component manufacturing matching of the drive shaft, it often leads to lateral shaking of the vehicle body, becoming a complaint point for users. The article focuses on the after-sales complaints about the lateral shaking of a certain car model. By decomposing the relevant influencing factors of the drive shaft that cause the lateral shaking of the car body and conducting experimental testing, it is found that the cause of the lateral shaking problem of the car body is the abnormal wear and pitting of the drive shaft cylindrical shell raceway. Further analysis of the influencing factors that cause abnormal pitting of the raceway wear reveals that the main cause of abnormal pitting of the cylindrical shell raceway wear is the improper use of lubricating grease. Finally, the problem is solved by replacing the lubricating grease, providing some reference for similar issues. References | Related Articles | Metrics

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Determination of Decabromodiphenyl Ether in Automotive Materials by High Performance Liquid Chromatography ZHANG Yunxia, ZHANG Panpan, ZHAO Yunxia 2025, 50(4): 93-97.  DOI: 10.16638/j.cnki.1671-7988.2025.004.017 Abstract ( )   PDF (1117KB) ( )   In order to solve the problems of the poor stability and frequent maintenance of equipment of decabromodiphenyl ether by gas chromatography-mass spectrometry, a high performance liquid chromatography (HPLC) method is developed for the determination of decabromodiphenyl ether in automotive material. In the range of 0.5 μg/mL to 5.0 μg/mL, the linear relationship is good (R 2= 0.998), and the detection limit of the method is 5 mg/kg. At three supplemental levels of 37.5, 75.0, 175.0 mg/kg, the recoveries are 90%～100%, the precisions are less than 5%. The standard curve is stable within 14 days. Three kinds of quality control samples with different decabromodiphenyl ether contents are tested, all the test accuracies are high, and the deviations from the theoretical value are within ±5%. HPLC method for the determination of decabromodiphenyl ether has good recovery, stability and high accuracy and the equipment does not need frequent maintenance in normal testing. The method can be used for rapid and accurate analysis of decabromodiphenyl ether in automotive materials. References | Related Articles | Metrics

Automobile Education

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Exploration and Practice of "Class-Competition-Research" Integrated Vehicle Professional Training Model WEI Qingguo, REN Yan, HAN Wenyan, WANG Sheng 2025, 50(4): 98-101.  DOI: 10.16638/j.cnki.1671-7988.2025.004.018 Abstract ( )   PDF (976KB) ( )   With the rise of a new round of science and technology and industrial revolution, the traditional engineering education model has been unable to meet the demand for high-tech talents for the rapid development and transformation and upgrading of industries. In order to effectively implement innovation practice education, the article takes automobile majors as an example, and starts from three aspects: building a systematic practice system, building a synergistic cultivation platform combining science and reality, and fostering a high-level innovation team for the integration of bachelor's and master's degrees, based on the curriculum teaching, using the competition project as a carrier, and using the research results as an index, deeply integrating the professional curriculum, undergraduate graduation design and different forms of innovation practice activities, and exploring a new model of cultivation throughout the whole process of bachelor's and master's degrees training. A new model of education that runs through the whole process of undergraduate and graduate training has been explored. It has been practically verified that the model is more systematic and popularized, and has the role of cultivating high-quality innovative and applied automotive engineering science and technology talents. References | Related Articles | Metrics

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Research on the Path of Skill Upgrading for Automobile Majors Students in the Context of High Quality Development CAO Haiyan1 , DAI Qihua2 2025, 50(4): 102-106.  DOI: 10.16638/j.cnki.1671-7988.2025.004.019 Abstract ( )   PDF (1004KB) ( )   High quality development needs the support of high-skilled talents. How to improve the skill level of automobile majors students in the era of continuous iteration and renewal of automobile technology, it has become an urgent problem to make the cultivate students adapt to the post work quickly after graduation. This paper analyzes the present situation of skill training of automobile major students in vocational colleges and the demand for automobile skill talents in the new era, for the current existing problems and deficiencies puts forward some ways to improve students' skill level, such as the teaching reform of "post course competition and certificate integration", the construction of digital resource bank of automobile majors, the construction of professional skill self-learning platform, the development of the second class and the construction of characteristic training room of school-enterprise integration and put it into practice for verification. The results show that the average score of students in the vocational education college entrance examination skills exam increases by about 13 points, the pass rate of skills certification increases by 10%, the online rate of vocational college transfer increases by 8%, and there is a new breakthrough in the skills competition results. The improvement of students' skills level has achieved initial results. References | Related Articles | Metrics

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Research on the Path of Talent Cultivation for On-site Engineers in Vocational Education HUANG Pengchao, HE Jiye, YU Wanyuan 2025, 50(4): 107-111.  DOI: 10.16638/j.cnki.1671-7988.2025.004.020 Abstract ( )   PDF (1280KB) ( )   The implementation of the special cultivation plan for on-site engineers in vocational education is a new carrier and powerful lever for deepening the school-running system of industry and education integration in vocational education at the present stage, innovating the new system of vocational education engineering education, and promoting the reform of the three educations. It is also an innovative application of engineering education combined with modern spprenticeship system practice in the field of vocational education. Based on the real production tasks and work scenarios of enterprise, the paper discusses the talent cultivation path from the aspects of collaborative education mechanisms, talent cultivation program formulation, curriculum system construction,teaching resource development, teaching organization operation, multi-party assessment and evaluation, quality diagnosis and optimal design, and explores and practices the testing positions of intelligent connected vehicle scenarios. Meanwhile develops a talent cultivation plan that is in line with the cultivation of craftsmen, constructs a curriculum system that is in line with the on-site practice orientation of engineering positions, and practices the on-site teaching mode based on engineering projects scene, providing new ideas and practical guidance for the cultivation of on-site engineers talents in vocational colleges. References | Related Articles | Metrics

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Research on Training Mode of Automotive Professional Field Engineer under Digital Transformation ZHANG Lifeng1 , ZHANG Xinyi*1,2 , WANG Jie1 2025, 50(4): 112-116.  DOI: 10.16638/j.cnki.1671-7988.2025.004.021 Abstract ( )   PDF (1008KB) ( )   As the global digital transformation progresses, the automotive industry evolves into a strategic emerging sector, integrating multiple industries, fields, and technologies, fostering the unique role of field engineers tailored to on-site demands. Widespread adoption of new technologies like intelligence, electrification, and connectivity in the auto sector has profoundly altered field engineers' job functions and skill sets. This paper delves into the digital landscape and its implications on automotive field engineer, proposing strategies to foster a collaborative educational ecosystem, bolster teachers' engineering practice-based pedagogy, refine educational methodologies, and establish a digital curriculum framework. These measures aim to cultivate automotive field engineers adept at digital transformation, it provides a path reference for training the new era field engineers. References | Related Articles | Metrics

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Innovation and Practice of Course Ideological and Political Construction Mode －Taking the Course of Automobile Engine Structure and Maintenance as an Example ZHENG Jintang 2025, 50(4): 117-122.  DOI: 10.16638/j.cnki.1671-7988.2025.004.022 Abstract ( )   PDF (2357KB) ( )   In order to deeply implement the requirements of the Ministry of Education for the ideological and political construction of college courses, the teaching team of Automobile Engine Structure and Maintenance of Guangzhou Huashang Vocational College proposes a new solution for the introduction of ideological and political content into the teaching of automobile specialty based on its own teaching practice. The course takes ideal and belief, craftsman spirit, professional ethics, engineering ethics and innovation consciousness as the ideological and political theme, and constructs a new mode of ideological and political construction of "ideological and professional integration, three-stage progression and multiple evaluation." From the three major dimensions of "national feelings, professional quality and personal accomplishment," we have dug deep into the ideological and political elements, focused on optimizing the supply of ideological and political content in the curriculum, and formed a result-oriented, task-driven, online and offline mixed teaching program, and finally realized the purpose of guiding students to actively participate in the knowledge learning, topic discussion and practical education in the whole process of three-stage progressive teaching before, during and after class is realized, which has fully fully stimulated the advantages of collaborative education of professional curriculum education and ideological and political education. It also provides a useful reference for other similar courses to integrate into curriculum ideological and political education. References | Related Articles | Metrics

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Exploration of the Smart Teaching Model for Automotive Majors Based on Digital Transformation TANG Jinhua, WANG Kuiyang 2025, 50(4): 123-127.  DOI: 10.16638/j.cnki.1671-7988.2025.004.023 Abstract ( )   PDF (1047KB) ( )   With the transformation and upgrading of education digitalization and the intelligentization of automobile technology, it is of great significance to study the intelligent teaching mode of automobile major under the background of digital transformation. By analyzing the development connotation of the teaching mode of automobile major and the problems existing in the current teaching mode, this paper puts forward the improvement scheme based on intelligent teaching, constructs the intelligent teaching mode of automobile major under the background of digital transformation, and applies and practices the intelligent teaching mode. The practical results show that the intelligent teaching mode of digital transformation has achieved remarkable results. References | Related Articles | Metrics

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Research and Practice on Ideological and Political Teaching Reform of New Energy Vehicle Electrical System Overhaul Course MING Jianping 2025, 50(4): 128-131,164.  DOI: 10.16638/j.cnki.1671-7988.2025.004.024 Abstract ( )   PDF (1321KB) ( )   In the course of professional course teaching, due to the lack of teachers' ideological and political teaching ability and the unclear path of ideological and political implementation, there are "two problems" of professional education and ideological and political education. The new energy automobile electrical system teaching team of Ganzhou Vocational and Technical College by optimizing course education teaching design, innovation course education implementation path, effective will guide the values in professional course knowledge and ability training. It has achieved good ideological and political teaching effect and provided reference programs for ideological and political teaching of other professional courses. References | Related Articles | Metrics

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Exploration of Innovative Talents Training Mode for Automobile Majors from the Perspective of Integration of Specialization and Innovation ZHANG Yixi, WANG Xinglu, ZHAO Kun, ZHOU Yang 2025, 50(4): 132-138.  DOI: 10.16638/j.cnki.1671-7988.2025.004.025 Abstract ( )   PDF (1080KB) ( )   The integration of specialization and innovation has emerged as the essential means for applied undergraduate institutions to develop innovative, applied, and composite high-quality talents in light of the development requirements of new-quality productivity and the development trend of 'electrification, intelligence, shareability and connectedness' of automobiles. The connotation and theoretical foundation of the integration of specialization and innovation is first explained in this article, and then the problems existing in the construction process of this integration in applied undergraduate universities are analyzed. This study explores the cultivation path of innovative talents using School of Vehicle Engineering, Xi'an Aeronautical University as an example. This paper suggests a hierarchical and progressive curriculum system, a trinity practical teaching system of 'competitions, innovation, and research', and a thorough evaluation system in response to the talent development needs of the automotive industry. The purpose is to offer some references and inspiration for the vehicle engineering major's talent development approach in applied undergraduate universities. References | Related Articles | Metrics

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Teaching Reform Practice of Curriculum Ideology and Politics Education in Course of Automobile Insurance and Claim under the Integration of "Position, Course, Competition, and Certification" XU Yuanhong, WANG Jiajun, HOU Huilan, RAN Peng, SUN Wei 2025, 50(4): 139-145.  DOI: 10.16638/j.cnki.1671-7988.2025.004.026 Abstract ( )   PDF (1428KB) ( )   Automobile Insurance and Claims is a professional extension course for the major of automobile application and maintenance technology. This article, with the integration of "position, course, competition, and certification" as the background, mainly elaborates on the practice process of the course ideology and politics in Automobile Insurance and Claims from aspects such as the exploration of course ideology and politics elements, the implementation of course ideology and politics teaching, the practical effect and characteristic innovation of teaching reform. It combines with the professional training objectives, deeply explores and refines the elements of course ideology and politics, integrates them into the professional knowledge system, establishes a collaborative training mechanism of course ideology and politics with "position, course, competition, and certification", and carries out the professional course ideology and politics training practice based on the integration of "position, course, competition, and certification". As a result, the students' task completion rate reaches 98%, the comprehensive practical training pass rate is 100%, and there is a steady increase in vocational cognition ability, learning ability, communication ability, execution ability, team collaboration ability, and business practice ability References | Related Articles | Metrics

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Exploration of the Implementation of Virtual Simulation Technology in the New Energy Vehicle Technology Classroom YAN Junjie 2025, 50(4): 146-149.  DOI: 10.16638/j.cnki.1671-7988.2025.004.027 Abstract ( )   PDF (1018KB) ( )   With the increasing global awareness of sustainable development and environmental protection, the new energy vehicle industry has ushered in unprecedented development opportunities. To meet the market's demand for professional talent cultivation in the new situation, research is conducted on the problems existing in the current teaching of new energy vehicles. The introduction of virtual simulation technology has injected new vitality into the education of new energy vehicles. With its unique advantages, it is changing the learning methods of students and the teaching methods of teachers. However, while virtual simulation technology brings great advantages to teaching, it also has many drawbacks. Combining with the teaching practice of the new energy vehicle technology course at Shanxi Institute of Mechanical and Electrical Engineering, this paper explores the problems and solutions of virtual simulation technology in the classroom practice teaching of new energy vehicles, provides new ideas and methods for virtual simulation teaching of new energy vehicle professional courses. References | Related Articles | Metrics

Standards·Regulations·Management

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Optimization of Long-term Bus Route Based on Passenger Flow Distribution Characteristics JIN Hui, WANG Jia, CUI Jing 2025, 50(4): 150-154.  DOI: 10.16638/j.cnki.1671-7988.2025.004.028 Abstract ( )   PDF (1375KB) ( )   Reasonable bus routes can not only improve the travel convenience of passengers, but also improve the efficiency of urban traffic. Addressing issues such as long operation times, excessive passenger flow at some stops, and redundant routes in Lanzhou's long public transit lines, this paper uses Lanzhou's K102 long-route bus as an example. It first studies the characteristics of passenger flow distribution along long routes from the perspectives of passenger flow and standing density, identifying the causes of congestion. Secondly, based on the unimodal distribution of passenger flow on the K102 route, an optimization plan is proposed. For K102A, the western split point is Dongli Outlet Square station, resulting in a 54.7% reduction in the average passenger standing density after splitting. For K102B, the eastern split point is West Station Intersection, leading to a 59.8% reduction in average passenger standing density after splitting. After the splits, the route's non-linearity coefficient decreased from 1.6 to 1.35 and 1.30, respectively. This improvement addresses issues of long operation times and excessive passenger flow at certain stops, thereby enhancing the operational efficiency of the bus route. References | Related Articles | Metrics

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Analysis of Influencing Factors and Sales Forecast of China's Recreational Vehicle Market WU Jinguo, SONG Haipeng, ZHANG Yujie 2025, 50(4): 155-159.  DOI: 10.16638/j.cnki.1671-7988.2025.004.029 Abstract ( )   PDF (1488KB) ( )   With the rise of self-drive travel, the market of China's recreational vehicle (RV) is showing a vigorous development. The purpose of this paper is to explore the main driving factors behind the sales market of RV, forecast and analyze the changing trend of the sales of RV. First of all, based on the relevant statistical data in the past ten years, through the Pearson correlation coefficient calculation, the main driving factors affecting the sales market of RV are per capita gross domestic product, per capita disposable income, highway miles and the number of people over 60 years old. Then, using the methods of time series analysis, multiple linear regression and neural network, it constructs the sales model of RVs, and forecast the sales volume of RVs in China in the next three years. The predicted sales volume is compared with the actual sales volume to determine the prediction accuracy of each model. The results show that the highest goodness of fit is the multiple linear regression model, which predicts the sales volume of China's passenger cars in 2024－2026 are 15 737, 17 215 and 18 693 respectively. The research results can provide an important basis for making production plan, adjusting market strategy and optimizing resource allocation. References | Related Articles | Metrics

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Research on the Policy System of the Beijing Intelligent Connected Vehicle Policy Pilot Zone YUE Hongpan 2025, 50(4): 160-164.  DOI: 10.16638/j.cnki.1671-7988.2025.004.030 Abstract ( )   PDF (1045KB) ( )   Relevant policies and regulations are needed to support the testing and demonstration of intelligent connected vehicles, and Beijing has been at the forefront of the country in terms of innovation in intelligent connected vehicle management policies and open road mileage. This paper introduces the "2+5+N" policy system in the Beijing intelligent connected vehicles policy pilot zone, elaborates on the specific contents of the two top-level designs, the five types of management systems, and the N basic support policies, analyzes the commonalities and characteristics of various policies, comprehensively explores and summarizes the implementation effects of the policies, and puts forward the importance of the introduction of relevant policies to the development of the intelligent connected vehicles industry. References | Related Articles | Metrics