random load

The random sequence can simulate actual load of coal face, supervise work tone of shearer.

该随机序列可以模拟采煤工作面的实际负载情况，监控采煤机工作状况。

A Probability Synthesis of Vertical and Level Random Load Spectrums for Vehicl Components

车辆承载构件垂直与水平随机载荷谱的概率合成法

However, for the composite load has the characteristics of complex composition, random time variance and spread over different area, its exact mathematics model is still not built up.

然而，系统中的综合负荷，由于具有构成复杂、随机时变、地域分散等特点，其准确的数学模型一直没有建立起来。

The probability character of load variables and the conversion principle of their models from stochastic process to random variable are exploringly studied.

探索性研究施工期荷载变量的概率特性及其从随机过程模型向随机变量模型转换的原理；

To verify the measuring properties in random direction, the force is applied in the direction of coordinate axes and different quadrant with a specially designed thrust misalignment load device.

为验证该测力平台对任意空间力的测试性能，使用专门设计的推力偏心加载装置在坐标轴和四个象限分别对测力平台进行加载。

During the research of load identification, a formula of load identification was acquired by applying the precise time-integration method, and the value of exterior random instantaneous loading can be resolved by the matrix expression when the structural responses have been measured clearly.

在载荷识别的逆问题研究中引入精细时程积分的理论，给出了基于模态分解形式的载荷识别公式，并构造出矩阵表达形式，能利用结构响应数据通过迭代求解瞬态随机外部激励幅值。

Then, the researcher analyses and calculates the fatigue life of fuse shaft under different working conditions, such as deadstart, the frequency motor out-sync, bailing out, and typical geological random load.

计算分析了静启动、变频电机不同步、堵转脱困、典型地质的随机载荷工况下保险轴的疲劳寿命，并得出不同工况下保险轴的安全系数、寿命、损伤等随载荷幅值的变化曲线。

According to the production reality of oilfield, 9 kinds of load situations are set up to simulate the mechanics action. After that, it calculates the wind vibration coefficients and pulsating equivalent wind-load at four parts of derrick by theory of structure random vibration.

根据油田生产实际，建立了9种模拟井架结构力学行为的载荷工况，运用结构随机振动理论计算了四段井架结构的风振系数和等效脉动风载荷。

The friction mechanical components' wear allowance and life span of wearability are not only random variables, but also affected by such factors as load, material etc.

机械摩擦零件磨损量和耐磨性寿命不仅是随机变量，而且受载荷大小、材料情况等因素的模糊性影响。

The minimum deflection rate, applied load and fracture time in logarithmic coordinates, two of them have a linear relationship at random on the base the results of FEM.

进一步分析模拟计算的结果表明：对数形式的最小挠度率、载荷、断裂时间两两之间存在着线性关系，这种关系与单轴蠕变试验中的关系相似。

Simulation Analysis of Fatigue Life of Fuel Pump Bracket Under Random Load

随机载荷下燃油泵托架疲劳寿命仿真分析

Analysis of The Vertical Vibration Transmission Force of LVT Track in Tunnel Under The Random Load

随机荷载作用下地铁隧道内弹性支承块式轨道的竖向振动传力分析

Analysis and Compilation of the Random Load Spectrum on the Track of Bulldozer

推土机履带链轨节随机载荷谱的分析与编制

Crack growth model and testing research of high strength steel under random load

高强度钢随机载荷下裂纹扩展模型