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    • 91. 发明申请
    • System and Method for Modification of a Baseline Ballast Arrangement of a Locomotive
    • 机车基准镇流器布置改造系统及方法
    • US20090031916A1
    • 2009-02-05
    • US11833858
    • 2007-08-03
    • Ajith Kuttannair KumarBret Dwayne Worden
    • Ajith Kuttannair KumarBret Dwayne Worden
    • B61C11/00F16F1/00
    • B61C15/06B61F3/04B61F5/36
    • A system and method for modification of a baseline ballast arrangement of a locomotive having an overall tractive effort rating based on symmetrical distribution of weight and driving torque applied by the locomotive to the respective axles of the locomotive. The system includes a locomotive truck comprising an un-powered first axle and a powered second axle. The system also includes a first suspension assembly configured to apply to the first axle a first portion of a locomotive weight and a second suspension assembly configured to apply to the second axle a second portion of the locomotive weight different from the first portion. An amount of locomotive weight allocated from the first axle to the second axle allows modification of a baseline ballast arrangement by reducing an amount of ballast in the baseline ballast arrangement corresponding to the amount of weight allocated from the first axle to the second axle.
    • 一种用于修改机车的基准镇流器布置的系统和方法,其具有基于对称重量分布和由机车施加到机车的相应轴的驱动转矩的总牵引力等级。 该系统包括一个包括未动力第一轴和动力第二轴的机车。 该系统还包括第一悬挂组件,其被配置为将机车重物的第一部分和第二悬架组件施加到第一轴上,第二悬架组件被配置为向第二轴施加不同于第一部分的机车重物的第二部分。 从第一车轴分配给第二车轴的机车重量允许通过减少基准镇流器布置中对应于从第一车轴分配给第二车轴的重量的量来调节基准镇流器布置。
    • 92. 发明申请
    • KIT AND METHOD FOR RECONFIGURING AN ELECTRICAL BRAKING SYSTEM FOR A TRACTION VEHICLE
    • 用于重新制造用于牵引车辆的电动制动系统的工具包和方法
    • US20080315806A1
    • 2008-12-25
    • US11766205
    • 2007-06-21
    • Ajith Kuttannair KumarHenry Todd YoungAlvaro Jorge Mari Curbelo
    • Ajith Kuttannair KumarHenry Todd YoungAlvaro Jorge Mari Curbelo
    • H02P3/12
    • B60L7/10B60L2200/26H02P3/12Y02T10/642
    • A kit and method for reconfiguring an electrical braking system for a traction vehicle are provided. The kit may include a braking system assembly including a chopper having a first chopper circuit topology. The first chopper circuit topology includes a first semiconductor-based circuitry having a footprint that defines at least one cavity in an enclosure for accommodating the first semiconductor-based circuitry. This enclosure constitutes the enclosure for accommodating the semiconductor-based circuitry in the chopper having electromechanical-based circuitry and semiconductor based circuitry. A second semiconductor-based circuitry is arranged in the at least one cavity in the enclosure for accommodating the first semiconductor-based circuitry. The second semiconductor-based circuitry when electrically coupled to the first semiconductor-based circuitry produces a chopper comprising a second chopper circuit topology fully contained in the enclosure. The second chopper circuit topology is operable without any electromechanical-based circuitry.
    • 提供了用于重新配置用于牵引车辆的电气制动系统的套件和方法。 该套件可以包括包括具有第一斩波电路拓扑的斩波器的制动系统组件。 第一斩波电路拓扑包括第一基于半导体的电路,其具有限定外壳中的至少一个空腔的覆盖区,用于容纳第一基于半导体的电路。 该外壳构成用于在具有基于机电的电路和基于半导体的电路的斩波器中容纳基于半导体的电路的外壳。 第二基于半导体的电路布置在外壳中的至少一个空腔中,用于容纳第一基于半导体的电路。 当电耦合到第一基于半导体的电路时,第二基于半导体的电路产生包括完全容纳在外壳中的第二斩波电路拓扑的斩波器。 第二斩波电路拓扑可在没有任何基于机电的电路的情况下操作。
    • 95. 发明申请
    • Hybrid Energy Power Management System And Method
    • 混合动力电力管理系统与方法
    • US20080270023A1
    • 2008-10-30
    • US11739864
    • 2007-04-25
    • Ajith Kuttannair Kumar
    • Ajith Kuttannair Kumar
    • G01F19/00G01C21/00
    • B60L15/2045B60L11/12B60L11/1801B60L2200/26Y02T10/645Y02T10/7005Y02T10/7077Y02T10/72Y02T10/7283Y10S903/903
    • An energy management system is provided for use with one of a plurality of hybrid energy diesel electric vehicles. The energy management system includes a position identification device to provide position information of one the plurality of vehicles at incremental positions along one of a plurality of routes. More particularly, the energy management system includes a database to store historical data of a traction and/or auxiliary energy demand for each vehicle at incremental positions along each route, and an energy management processor coupled to the position identification device and the database. The energy management system retrieves historical data of each vehicle at incremental positions along each route to estimate an anticipated traction and/or auxiliary energy demand of the one of a plurality of vehicle at each incremental position along one of a plurality of routes.
    • 提供了一种用于多种混合能量柴油电动车辆中的一种的能量管理系统。 能量管理系统包括位置识别装置,用于沿着多个路线中的一个路径的增量位置提供多个车辆中的一个的位置信息。 更具体地,能量管理系统包括数据库,用于存储沿着每个路线的增量位置处的每个车辆的牵引力和/或辅助能量需求的历史数据,以及耦合到位置识别装置和数据库的能量管理处理器。 能量管理系统在沿着每个路线的增量位置处检索每个车辆的历史数据,以估计沿着多个路线之一的每个增量位置处的多个车辆中的一个车辆的预期牵引力和/或辅助能量需求。
    • 97. 发明申请
    • Locomotive Wheel Speed Control
    • 机车转速控制
    • US20080042602A1
    • 2008-02-21
    • US11465208
    • 2006-08-17
    • Ajith Kuttannair Kumar
    • Ajith Kuttannair Kumar
    • H02P5/00
    • B60L15/20B60L2200/26Y02T10/645Y02T10/72Y02T10/7275
    • A method for controlling a wheel speed of a locomotive includes determining an estimated wheel speed (52) for a desired wheel set of a locomotive responsive to a locomotive operating parameter indicative of an actual wheel speed of the desired wheel set. The method also includes generating a first adjustment parameter (e.g., 46) based on an operating condition of the locomotive, and then applying the first adjustment parameter to the estimated wheel speed for generating a first adjusted estimated wheel speed signal (54) used as a first input for controlling a wheel speed of at least one of the desired wheel set and the other wheel sets of the locomotive.
    • 一种用于控制机车的车轮速度的方法包括响应于指示期望的车轮组的实际车轮速度的机车操作参数来确定机车的期望车轮组的估计车轮速度(52)。 该方法还包括基于机车的操作条件产生第一调整参数(例如46),然后将第一调整参数应用于估计的车轮速度,以产生用作第一调整估计车轮速度信号(54) 用于控制机车的所需轮组和其它车轮组中的至少一个的车轮速度的第一输入。
    • 98. 发明授权
    • Method, apparatus and computer-readable code for magnifying an incipient ground fault and enable quick detection of such fault
    • 用于放大初始接地故障的方法,设备和计算机可读代码,并能够快速检测此类故障
    • US07102355B1
    • 2006-09-05
    • US11385310
    • 2006-03-21
    • Ajith Kuttannair Kumar
    • Ajith Kuttannair Kumar
    • G01R31/14H02H9/08
    • G01R31/025
    • Method, apparatus and computer-readable code are provided for detecting a location of an incipient ground fault in an electrical propulsion system of a relatively large land-based vehicle, such as a locomotive. A method embodying aspects of the present invention allows to simultaneously apply a forcing function to one or more electrical devices connected to a direct current (dc) bus. The forcing function is configured to magnify (without voltage stress to such devices) an incipient ground fault that may be directly associated with a given electrical device. This enables to quickly identify the incipient ground fault and to uniquely identify the electrical device likely to be experiencing the incipient ground fault.
    • 提供了一种方法,装置和计算机可读代码,用于检测诸如机车的相对较大的陆基车辆的电推进系统中初始接地故障的位置。 体现本发明的方面的方法允许同时对连接到直流(dc)总线的一个或多个电气设备施加强制功能。 强制功能被配置为放大(对这种设备没有电压应力)可能与给定电气设备直接相关联的初始接地故障。 这使得能够快速识别初始接地故障并且唯一地识别可能经历初始接地故障的电气设备。
    • 100. 发明授权
    • Railway train friction management and control system and method
    • 铁路列车摩擦管理与控制系统及方法
    • US06893058B2
    • 2005-05-17
    • US10606722
    • 2003-06-26
    • Ajith Kuttannair KumarVishwesh M. PalekarAnthony GiammariseChi-Houng E. LuJohn Polley
    • Ajith Kuttannair KumarVishwesh M. PalekarAnthony GiammariseChi-Houng E. LuJohn Polley
    • B61C15/10B60B39/00
    • B61C15/10
    • A system and method for friction management for managing and controlling an application of a friction modifying agent to an area of contact between a railway wheel and a railway rail over which the wheel is traversing to selectively modify the coefficient of friction at the contact area. The system comprises a sensor for detecting a parameter relating to the operation of the railway train. A controller is responsive to the sensor and controls the application of a friction modifying agent to the rail as a function of the parameter. An applicator is responsive to the controller and applies the friction modifying agent to the area of contact between the railway wheel and rail. The invention also includes a method for railway train friction management for managing and controlling the application of friction modifying agent to an area of contact between railway wheel and railway rail over which the wheel is traversing to selectively modify the coefficient of friction at the contact area. The method comprises sensing a parameter related to the operation of the railway train and applying the friction modifying agent to the area of contact between the railway wheel and rail as a function of the sensed parameter.
    • 一种用于摩擦管理的系统和方法,用于管理和控制将摩擦改进剂施加到车轮横向移动的铁路车轮与铁路轨道之间的接触区域,以选择性地改变接触区域处的摩擦系数。 该系统包括用于检测与铁路列车的操作相关的参数的传感器。 作为参数的函数,控制器响应于传感器并且控制将摩擦改进剂施加到轨道上。 施加器响应于控制器并将摩擦改进剂施加到铁路车轮和轨道之间的接触区域。 本发明还包括一种用于铁路列车摩擦管理的方法,用于管理和控制摩擦改进剂在车轮横向移动的铁路车轮与铁路轨道之间的接触区域的应用,以选择性地改变接触区域的摩擦系数。 该方法包括感测与铁路车辆的操作有关的参数,并根据感测参数将摩擦改进剂施加到铁路车轮和轨道之间的接触区域。