常会楷，郎丰泰  

 潍柴动力股份有限公司技术中心；

【摘要】 分析了某重型车用柴油机在实际道路上的工况,与现有可靠性试验工况进行了对比,提出了基于实际工况的加速可靠性试验方法并在台架上进行了验证。

【关键词】 重型车用柴油机；实际工况分析；可靠性试验方法；验证；  

【Abstract】 This paper analyzes the in-vehicle data of an engine using for HD truck,compares the reliability test operating mode with the road working condition,establishes a reliability test process based on the road working condition and verified on test bench.

【Key words】 HD Truck Engine；In-Vehicle Data Analyzing；Reliability Test Process；Verification；