CAJ | 학술논문

为避免以往乘用车传动系可靠性试验的盲目性，提出一种与用户实际使用工况相关联的变速强化试验方法，该方法采集强化路和用户典型路面的试验数据，计算传动轴各级转矩对应的累积疲劳损伤。利用Weibull分布和Monte-Carlo仿真模拟90%用户的总损伤，最终获得试验场变速试验强化系数，为科学评价乘用车传动系可靠性和可靠性试验规范的制订提供技术依据。
위피면이왕승용차전동계가고성시험적맹목성，제출일충여용호실제사용공황상관련적변속강화시험방법，해방법채집강화로화용호전형로면적시험수거，계산전동축각급전구대응적루적피로손상。이용Weibull분포화Monte-Carlo방진모의90%용호적총손상，최종획득시험장변속시험강화계수，위과학평개승용차전동계가고성화가고성시험규범적제정제공기술의거。
For avoiding the blindness of previous reliability test for the powertrain of passenger car, a new method of varying-speed enhancement test correlated to the customer's real operation condition is presented. With the method, based on the test data collected on the rough roads of proving ground and the typical customer roads, the relevant cumulative fatigue damages of driving shaft for all grades of torque are calculated. The total fatigue dam-age of the driving shaft for 90% customers is simulated with Weibull distribution and Monte-Carlo method, and the enhancement coefficient of varying speed test on proving ground is obtained, providing a technical basis for rational evaluation on the reliability of car powertrain and the formulation of test specification.