在干燥轨面状态下,选取常用粘着系数以不大于0.27为宜。
An adhesion coefficient of less than 0.27 would be appropriate under dry rail surface condition.
最后,分析了机车牵引动态模型,并且建立了干扰观测器的粘着系数估计系统。
Finally, the dynamics of locomotive traction are analyzed, and a disturbance observer is used to estimate adhesion coefficient.
介绍了矿用电机车的简要工作原理、粘着系数、牵引力及其相关参数的选择与计算。
This paper analyses the main principle, adhesion factor, traction and relative parameters calculation of mine electric locomotive.
相同速度下,轴重较大,粗糙峰接触压力占总压力的比值也越大,此时粘着系数也较大。
When under the same speed, if the axle load gets weighter, the adhesion coefficient increases as the ratio of the mean asperities contact pressure to the total pressure becomes bigger.
轮轨表面的污染层也会影响粘着系数的变化,它避免了轮轨表面直接接触,有利于减少磨损。
While this contaminant layer is responsible for varying friction values, it plays a beneficial role by separating the wheel and rail surfaces, usually decreasing wear.
通过仿真实验,采集蠕滑速度和粘着系数的数据,利用RV -TS模型对粘着特性曲线进行模糊建模。
According to the simulation data of slip velocity and adhesion coefficient, a fuzzy model, RV-TS model, is built to describe the adhesion characteristic curve.
研究发现:相同轴重下,滚动速度越大,粗糙峰接触压力与总压力的比值越小,导致轮轨之间的粘着系数下降;
When under the same axle load, if the wheel rolling speed gets higher, the adhesion coefficient declines as the ratio of the mean asperities contact pressure to the total pressure becomes smaller.
高表面能引起的粘着为聚氨酯摩擦系数较高的主要原因。
It is the high surface energy that contributed to larger friction coefficient of polyurethane threads.
经催化处理后的表面是一种非晶态,即处于基本平面状态,有润滑性,因此磨擦系数小,非粘着性好。
It is an amorphous surface after the catalytic that is basically in the flat state, with lubrication, so the friction coefficient is small, good non-adhesion function.
总的粘着摩擦系数被表示为弹性接触区与塑性接触区的粘着摩擦系数的组合。
The total adhesive friction coefficient is expressed as a combination of adhesive friction coefficients in elastic and plastic contact regime.
经催化处理后的表面是一种非晶态,即处于基本平面状态,有润滑性,因此磨擦系数小,非粘着性好。
It is an amorphous surface after the catalyticthat is basically in the flat state, with lubrication, so the frictioncoefficient is small, good non-adhesion function.
经催化处理后的表面是一种非晶态,即处于基本平面状态,有润滑性,因此磨擦系数小,非粘着性好。
It is an amorphous surface after the catalyticthat is basically in the flat state, with lubrication, so the frictioncoefficient is small, good non-adhesion function.
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