为正确理解国际上普遍采用的汽车前碰撞告警系统性能标准和评价规程，以完善我国汽车前碰撞告警系统标准，对比分析了ISO 15623标准和NHTSA 26555评价规程中对前汽车碰撞告警系统自身特性、试验工况、告警距离计算等方面的要求，并对某车型配置前碰撞预警系统的告警距离与两标准要求告警距离进行了对比分析。结果表明，ISO 15623在系统告警、探测区域和试验工况方面要求更完整，NHTSA 26555在试验准备和试验程序方面规定的更具体。建议我国在制定汽车前碰告警系统性能标准和法规时，以ISO 15623为主，适当加入NHTSA 26555的优势部分。%To have a correct understanding of forward vehicle collision warning system and assessment program which are widely used in the world, and perfect standard of the warning system in China, the requirement of ISO15620 and NHTSA26555 assessment program are compared and analyzed in term of system characteristic, test conditions and warning distance calculation of the warning system in this paper. Also, the warning distance of a vehicle equipped with such warning system is analyzed and compared with that required by the two standards mentioned above. The results show that ISO 15623 has more complete and detailed requirements in system warning, detection range and test conditions, while NHTSA 26555 has more specific stipulations in respect to test preparation and test procedure. It is suggested in the paper that ISO 15623 should be preferred when developing performance standards and regulations related to forward vehicle collision warning system in China, however, advantages of NHTSA 26555 should also be included where appropriate.
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