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    • 2. 发明授权
    • System and method for determining rail safety limits
    • 确定铁路安全限值的系统和方法
    • US07502670B2
    • 2009-03-10
    • US10899265
    • 2004-07-26
    • Harold Harrison
    • Harold Harrison
    • G01B5/30G06F11/30G06F19/00
    • B61L23/047B61L23/044B61L27/0088G01M5/0025
    • Methods, systems, and apparatus are disclosed for determining rail safety limits. A first example method is disclosed for determining rail safety limits, including identifying a target rail neutral temperature for a portion of continuous welded rail. The method also includes monitoring a longitudinal stress for the portion of continuous welded rail and monitoring an ambient rail temperature for the portion of continuous welded rail. The method further includes determining a present rail neutral temperature based on the longitudinal stress and the ambient rail temperature. According to the example method, the present rail neutral temperature is compared to the target rail neutral temperature to determine whether a failure of the portion of continuous welded rail has occurred, and an alert is reported if the difference between the present rail neutral temperature and the target rail neutral temperature is within a predetermined range. Other methods, apparatus, and systems are disclosed for presenting determining rail safety limits.
    • 公开了用于确定铁路安全限制的方法,系统和装置。 公开了用于确定轨道安全极限的第一示例性方法,包括识别连续焊接轨道的一部分的目标轨道中性温度。 该方法还包括监测连续焊接轨道的一部分的纵向应力并监测连续焊接轨道部分的环境轨道温度。 该方法还包括基于纵向应力和环境轨道温度来确定当前轨道中性温度。 根据示例方法,将当前轨道中性点温度与目标轨道中性温度进行比较,以确定连续焊接轨道的部分是否发生故障,并且如果当前轨道中性温度与 目标轨道中性温度在预定范围内。 公开了其他方法,装置和系统,用于呈现确定轨道安全限制。
    • 3. 发明申请
    • STRESS MONITORING SYSTEM FOR RAILWAYS
    • 铁路应力监测系统
    • US20070044566A1
    • 2007-03-01
    • US11552386
    • 2006-10-24
    • Harold Harrison
    • Harold Harrison
    • G01B5/30
    • B61K9/08B61L23/044B61L23/047B61L23/048B61L27/0088
    • A rail stress monitoring system is disclosed. This system includes a sensor module that further includes a sensing device that is adapted to be mountable directly on a length of rail. The sensing device further includes a generally flat metal shim and at least one, and typically two or more, sensors mounted on one side of the shim. The sensors are typically strain gauges, which are mounted on the shim in a specific, predetermined configuration. At least one data acquisition module is in electrical communication with the sensing device and a data processing module receives and processes information gathered by data acquisition module.
    • 公开了一种轨道应力监测系统。 该系统包括传感器模块,其还包括适于直接安装在轨道长度上的感测装置。 感测装置还包括大致平坦的金属垫片和安装在垫片的一侧上的至少一个,并且通常为两个或更多个传感器。 传感器通常是应变计,其以特定的预定配置安装在垫片上。 至少一个数据采集模块与感测装置电通信,数据处理模块接收和处理由数据采集模块收集的信息。
    • 4. 发明授权
    • Stress monitoring system for railways
    • 铁路应力监测系统
    • US07869909B2
    • 2011-01-11
    • US11552386
    • 2006-10-24
    • Harold Harrison
    • Harold Harrison
    • G01L1/04G01B7/16G01L1/00G06F17/00
    • B61K9/08B61L23/044B61L23/047B61L23/048B61L27/0088
    • A rail stress monitoring system is disclosed. This system includes a sensor module that further includes a sensing device that is adapted to be mountable directly on a length of rail. The sensing device further includes a generally flat metal shim and at least one, and typically two or more, sensors mounted on one side of the shim. The sensors are typically strain gauges, which are mounted on the shim in a specific, predetermined configuration. At least one data acquisition module is in electrical communication with the sensing device and a data processing module receives and processes information gathered by data acquisition module.
    • 公开了一种轨道应力监测系统。 该系统包括传感器模块,其还包括适于直接安装在轨道长度上的感测装置。 感测装置还包括大致平坦的金属垫片和安装在垫片的一侧上的至少一个,并且通常为两个或更多个传感器。 传感器通常是应变计,其以特定的预定配置安装在垫片上。 至少一个数据采集模块与感测装置电通信,数据处理模块接收和处理由数据采集模块收集的信息。