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wheel flat     
相关语句
  扁疤
     The Emulation Research for the Dynamic Impact by the Wheel Flat and the Inspection Principles
     车轮扁疤动力冲击的仿真研究及其检测原理
短句来源
     Dynamic Inspection System for Wheel Flat on Railway Wheel
     铁路车轮扁疤动态检测系统
短句来源
     Survey on Dynamic Inspection Method for Wheel Flat
     车轮扁疤动态检测方法综述
短句来源
     The finite element model for the wheel rail vertical vibration system under the impact by the wheel flat is set up. With the Newmark calculation method,such rail vibration feature values as wheel rail force,rail foot bending stress,rail vibration acceleration and the square of the vibration speed,in the process of the wheel flat impacting,are analysed by value emulation.
     建立了车轮扁疤冲击作用下轮轨垂向振动系统的动力有限元模型,采用Newmark算法对扁疤冲击过程中轮轨力、轨脚弯曲应力、钢轨振动加速度与振动速度的平方值等钢轨振动特征量进行了数值仿真分析。
短句来源
     The dynamic inspection system for wheel flat on railway wheel inspects and measures the positions and dimensions online on the basis of the value of impact force on rail by the wheels.
     :铁路车轮扁疤动态检测系统根据车轮对钢轨冲击力的大小 ,在线检测车轮扁疤的位置和尺寸。
短句来源
  车轮擦伤
     With the application of domestic and foreign research achievements in recent years,the effect of wheel flat to the development of cracking on axles is analyzed and studied,and suggestions are given for the control of wheel flat and guarantee of transport safety.
     应用近年来国内外的有关研究成果,分析研究车轮擦伤对车轴裂纹扩展的影响,对控制车轮擦伤,保障运输安全提出了建议
短句来源
     The combination of wavelet and support vector machine was introduced to solve automatic detection of the wheel flat abrasion.
     采用小波分析与支持向量机 (SVM)相结合对列车车轮擦伤进行自动识别。
短句来源
     Based on wavelet analysis for the signal characteristics and the wheel flat abrasion characteristics, the distributed multi-SVM classifier was utilized to identify the wheel flat abrasion. The experimental results show this method can efficiently identify and diagnose the wheel flat abrasion.
     在小波分析特征提取的基础上 ,利用分布式多SVM分类器识别车轮擦伤 ,实验表明 ,该方法能有效地对车轮擦伤等级进行准确识别和诊断
短句来源
     The equipment can replace the cross-span sill, automatically eliminate the crosswise and longitudinal eccentric loading, and prevent the wheel flat effectively.
     该装置可替代横跨梁,能自动消除车辆的横向、纵向偏载,并有效防止车轮擦伤
短句来源
  平轮
     Preliminary Investigation on the On Line Monitoring Method for a Railroad Car Wheel Flat
     铁道车辆平轮在线监测技术初探
短句来源
  车轮扁疤
     The Emulation Research for the Dynamic Impact by the Wheel Flat and the Inspection Principles
     车轮扁疤动力冲击的仿真研究及其检测原理
短句来源
     Dynamic Inspection System for Wheel Flat on Railway Wheel
     铁路车轮扁疤动态检测系统
短句来源
     Survey on Dynamic Inspection Method for Wheel Flat
     车轮扁疤动态检测方法综述
短句来源
     The finite element model for the wheel rail vertical vibration system under the impact by the wheel flat is set up. With the Newmark calculation method,such rail vibration feature values as wheel rail force,rail foot bending stress,rail vibration acceleration and the square of the vibration speed,in the process of the wheel flat impacting,are analysed by value emulation.
     建立了车轮扁疤冲击作用下轮轨垂向振动系统的动力有限元模型,采用Newmark算法对扁疤冲击过程中轮轨力、轨脚弯曲应力、钢轨振动加速度与振动速度的平方值等钢轨振动特征量进行了数值仿真分析。
短句来源
     The dynamic inspection system for wheel flat on railway wheel inspects and measures the positions and dimensions online on the basis of the value of impact force on rail by the wheels.
     :铁路车轮扁疤动态检测系统根据车轮对钢轨冲击力的大小 ,在线检测车轮扁疤的位置和尺寸。
短句来源

 

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      wheel flat
    In this project, a numerical model for wheel flat prediction has been developed.
          
    A railway wheel flat is a flat spot on the rolling surface of a wheel, caused by its sliding on the rail.
          
    Again, no information on how this model can be used in predicting wheel flat or wheel martensite formation is available.
          


    With the application of domestic and foreign research achievements in recent years,the effect of wheel flat to the development of cracking on axles is analyzed and studied,and suggestions are given for the control of wheel flat and guarantee of transport safety.

    应用近年来国内外的有关研究成果,分析研究车轮擦伤对车轴裂纹扩展的影响,对控制车轮擦伤,保障运输安全提出了建议

    A fault in the wheel flat of a railroad car would threaten the safety of the car. The paper presents an on line monitoring and diagnosis method for detecting the faults in the wheel flat by measuring its radial run out. Experiments demonstrate that the method is practical.

    铁道车辆踏面平轮故障危及列车行车安全。本文提出车轮半径偏差检测方法,在线检测诊断铁道车辆平轮故障的方案,实验结果证明了其可行性

    A dynamic signal is the important basis for a fault diagnosis. The measurment distorlion of the signal would directly influence thc reliabllity of the diagnosis. A method for improving the accuracy of measured dynamlc signals using a microcomputer is suggested. Practical processing of the signal acquired through a railroad car wheel flat on-line mornitoring system demonstrated the validity of the method, and it is also applicable to processing the distorted dynamic signal froin other systems.

    动态信号是故障诊断的重要依据,其检测失真直接影响到诊断的可靠性,本文提出的微机处理方法,通过铁道车辆平轮在线监测系统的实践证明了其可行性,这一方法同样适用于对其他系统动态信号失真的处理。

     
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