With the continuous deepening of the research on active safety technology of intelligent vehicles, the assembly rate of Advanced Driver Assistance Systems (ADAS) has greatly increased. Active safety performance testing and evaluation for intelligent vehicles is becoming more and more important. However, considering the cost issue, the vehicle-in-the-loop platform test is preferred, and many domestic and international test standards only test and evaluate a single assisted driving function, which is not enough to comprehensively evaluate the strengths and weaknesses of the active safety functions of intelligent vehicles. Therefore, following the actual situation of road traffic in China, we propose the China New Car Assessment Program (C-NCAP) to comprehensively evaluate the active safety functions of intelligent vehicles. Based on the active safety test section of C-NCAP, this study utilizes RTK high-precision positioning test technology for testing to evaluate the performance of 23 vehicles equipped with ADAS. Based on the test results, the active safety system technology of domestic intelligent vehicles is analyzed and evaluated.
With the development of world technology, people's demand for cars continues to increase, leading to a series of problems. Research has shown that reducing the overall mass of cars can significantly reduce their fuel consumption and greenhouse gas emissions. High-entropy alloy has a series of excellent properties such as high strength, high hardness, corrosion resistance, etc. Among them, light High-entropy alloy has higher specific strength. Therefore, High-entropy alloy has become one of the hot spots in material research. Therefore, using the EMTO-CPA calculation method, we can easily select the alloys we need, greatly saving economic and time costs. After obtaining the corresponding results through calculation, experimental research can be conducted more targeted.
With the increasing number of automobiles in China, the safety performance of vehicle has become significant. Advanced Driving Assist System (ADAS) is able to reduce the traffic accident. China New Car Assessment Program (C-NCAP) promotes active safety technologies from the aspect of test. However, in C-NCAP, Autonomous Braking System (AEB) is primarily considered. Therefore, China Intelligent-connected Car Assessment Program (C-ICAP) is proposed to comprehensively test the driving assist functions with longitudinal and lateral control. Based on the basic driving assist part of C-ICAP, this study conducts 3 sets of tests to evaluate the performance of the vehicles with ADAS. Moreover, the feasibility and rationality of the test scenarios are evaluated according to the results.
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