【摘 要】
：
Based on pseudo damage equivalent principle,converted the wheel transducer force to the program load spectrum,then built a load spectrum for the suspension fatigue bench test,which has the equivalent
【机 构】
：
China Automotive Engineering Research Institute Co.,Ltd
论文部分内容阅读
Based on pseudo damage equivalent principle,converted the wheel transducer force to the program load spectrum,then built a load spectrum for the suspension fatigue bench test,which has the equivalent damage with the durability test in proving ground.To ensure the consistency of the pseudo damage,the component true damage is consistent.First,through rainflow counting,got the relation curve in the double logarithmic coordinate system between amplitude and time for the wheel transducer force,and found a straight line that more or less matches as much as possible thehighest part of the curve,then the slope of straight line is as the slope of SN curve for counting pseudo damage,and the intercept of SN curve is not less than the maximum amplitude.Finally,through comparative study of the result of suspension fatigue bench test and proving ground durability test,the fatigue life is found to agree well with each other,which demonstrate the effectiveness of the presented method.
其他文献
对一台增压中冷高压共轨的柴油发动机,燃用煤基费托合成柴油(F-T柴油)时的燃烧、排放特性和微粒粒度分布特征进行试验研究,分析了F-T柴油对发动机燃烧和排放的影响规律.结果表明,与国V柴油相比,燃用F-T柴油时因密度低,在喷油策略不做改变的情况下,转矩有所降低.同时,由于F-T柴油主要成分为直链烷烃,燃料着火性好,十六烷值较高,滞燃期明显缩短,预混合燃烧阶段放热量减少,燃烧时缸内温度降低,有利于降低
An experimental investigation of multiple injection at intake stroke under warm up conditions was performed in a GDI engine.With a constant excess air ratio,the effects of multiple injection strategy
This paper has developeda start-stop control system on a GDI engine,studied effectson the rate of ignition for expansion cylinder and the start-stop performance without a starter.The experimental resu
When it comes to GDI start-stop technology,the control of final stop crank angle can never be neglected.The probabilitydistribution of this final angle could be obtained via repetitious engine stop ex
Vehicle-to-vehicle communications bring new opportunities to ADAS,as it allows the vehicles to acquire more information of the environment and extends the range of perception.However,V2V communication
Based on the classical laminate theory,the stacking structure and its joining structure of a carbon fiber composite drive shaft are designed with the carbon fiber epoxy resin as the substrate.The stat
The solution treatment of three different components of Fe-Mn-Al-Si light steel after cold rolling are carried out at 1050℃ and the time is 1h,30min,10min.The microstructure and mechanical properties
Propeller shaft is one of main sources to arouse vehicle noise.To decrease development cost and shorten development cycle,BP Neural Network model of influence of propeller shaft to vehicle noise was e
Aiming at the driving safety problem on the curve,safety speed warning system with risk prediction is designed as the vehicle drives on the curve.Considering both the static multi-factor such as drive
The integration of active safety and passive safety has become a critical technical problem.A full frontal simulation model with human model was built up to analyse occupant kinematics and injuries.Hu