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    • 1. 发明授权
    • Apparatus and method for suppressing mechanical resonance in a mass transit vehicle
    • 用于抑制集体运输车辆中的机械共振的装置和方法
    • US07027897B2
    • 2006-04-11
    • US10765251
    • 2004-01-27
    • Jian ShenFred S. MartonLinda F. ClawsonKenneth A. Karg
    • Jian ShenFred S. MartonLinda F. ClawsonKenneth A. Karg
    • G06F7/00B60G13/00
    • G05D19/02
    • A mass transit vehicle traction motor control system includes an automatic control block for receiving and processing a tachometer signal having a first resonance signal superimposed thereon to produce a rate request signal having a corresponding second resonance signal superimposed thereon. A filter is provided for decreasing an amplitude of the second resonance signal whereupon the rate request signal is isolated therefrom. A communication and control block and a propulsion and control block co-act to process the isolated rate request signal to produce a speed control signal that is configured to cause a traction motor of a mass transit vehicle to provide motive force to the mass transit vehicle at a rate related to the value of the speed control signal.
    • 公共交通工具牵引电动机控制系统包括:自动控制块,用于接收和处理具有叠加在其上的第一谐振信号的转速计信号,以产生具有叠加在其上的对应的第二谐振信号的速率请求信号。 提供了一个滤波器,用于减小第二谐振信号的幅度,因此速率请求信号被隔离。 通信和控制块以及推进和控制块协同处理隔离速率请求信号以产生速度控制信号,该速度控制信号被配置成使公共交通车辆的牵引电动机向公共交通车辆提供动力 与速度控制信号的值相关的速率。
    • 3. 发明申请
    • Broken Rail Detection System
    • 断路检测系统
    • US20080105791A1
    • 2008-05-08
    • US11721657
    • 2005-12-12
    • Kenneth A. Karg
    • Kenneth A. Karg
    • B61K9/10
    • B61K9/10B61L3/121B61L23/044
    • A system is for performing broken rail detection on a railway track. The system includes at least one locomotive and a monitoring entity. Each locomotive includes a receiver for receiving a track signal that is circulating in the railway track and a processing unit that is in communication with the receiver. The processing unit is operative for detecting a characteristic of the track signal and generating a signal indicative of a potential broken rail in response to a change in the characteristic of the track signal. The locomotive further includes a wireless transmitter for transmitting the signal indicative of a potential broken rail over a wireless communication link. The monitoring entity includes a receiver for receiving the signal indicative of a potential broken rail and a processing unit for detecting a broken rail at least in part on the basis of the signal indicative of a potential broken rail from the locomotive.
    • 一种系统用于在铁路轨道上执行断轨检测。 该系统包括至少一个机车和监控实体。 每个机车包括用于接收在铁路轨道中循环的轨道信号的接收器和与接收器通信的处理单元。 处理单元可操作用于响应于轨道信号的特性的改变来检测轨道信号的特性并产生指示潜在断轨的信号。 机车还包括无线发射机,用于在无线通信链路上发送指示潜在断轨的信号。 监测实体包括用于接收指示潜在断轨的信号的接收器和用于至少部分地基于指示来自机车的潜在断轨的信号来检测断轨的处理单元。
    • 6. 发明授权
    • Method and apparatus for initializing an automated train control system
    • 用于初始化自动列车控制系统的方法和装置
    • US5803411A
    • 1998-09-08
    • US734120
    • 1996-10-21
    • Joseph R. AckermanKenneth A. KargAngela C. Patel
    • Joseph R. AckermanKenneth A. KargAngela C. Patel
    • B61L3/00B61L3/12B61L21/10B61L25/02B61L27/00B61L3/02
    • B61L3/125B61L21/10B61L25/021B61L25/023B61L25/026B61L25/028B61L27/0077B61L3/00B61L3/121
    • A vehicle initialization system for a control system that includes a vehicle, such as a train that is to be initialized, a vehicle track, a first reader, an onboard computer and a tachometer. The vehicle is adapted to coact with the track. At least two spaced apart position identifiers are positioned along the track. The first reader attaches to the vehicle and is adapted to read information from the position identifiers and relay the information to the onboard computer. The tachometer is also interfaced with the onboard computer, so that as the vehicle passes the position identifiers, the tachometer can be calibrated and the vehicle direction of travel and the vehicle orientation can be determined. The system also includes a vehicle identifier adapted to identify the vehicle characteristics. A second reader is positioned along the track and is adapted to read the vehicle identifier as the vehicle travels along the track. A wayside computer interfaces with the second reader. A wheel detector and a trip stop for preventing the vehicle from proceeding along the track are provided along the track and are interfaced with the wayside computer. The trip stop prevents the vehicle from proceeding on the track if information transmitted by the vehicle identifier is not verified by the wheel detector.
    • 一种用于控制系统的车辆初始化系统,其包括车辆,诸如待初始化的列车,车辆轨道,第一读取器,车载计算机和转速计。 车辆适合与轨道协调。 沿轨道定位至少两个间隔开的位置标识符。 第一读取器附接到车辆,并且适于从位置标识符读取信息并将该信息中继到车载计算机。 转速计也与车载计算机接口,因此当车辆通过位置标识符时,可以校准转速计,并且可以确定车辆行驶方向和车辆方位。 该系统还包括适于识别车辆特性的车辆标识符。 第二读取器沿着轨道定位,并且适于在车辆沿着轨道行进时读取车辆标识符。 路边计算机与第二个读卡器接口。 沿轨道设置有用于防止车辆沿着轨道行进的车轮检测器和跳闸挡块,并且与路边计算机接口。 如果由车辆识别器发送的信息未被车轮检测器验证,则行程停止可防止车辆进入轨道。
    • 7. 发明授权
    • Vehicle air exchange according to passenger load
    • 根据乘客负载进行车辆空气交换
    • US5009148A
    • 1991-04-23
    • US444787
    • 1989-12-01
    • Kenneth A. KargCarl K. HvozdaRobert N. NeddermeyerAlexander Feld
    • Kenneth A. KargCarl K. HvozdaRobert N. NeddermeyerAlexander Feld
    • B61D27/00
    • B61D27/009
    • A system for controlling the amount of fresh air being introduced into a people mover vehicle. A variable flow exchange is provided based on the number of passengers in the vehicle thus controlling the amount of positive ventilation in relation to the passenger load. The people mover vehicle is electrically powered and, after the people mover vehicle leaves a station, the electric motor current is monitored and the vehicle speed is monitored. The motor current during the time that the vehicle speed is between about two miles per hour and about five miles per hour is proportional to the passenger load and, therefore, the ventilation requirements can be determined, and the appropriate amount of positive ventilation supplied, based upon the electric motor current monitored when the vehicle velocity is within the aforementioned range.
    • 一种用于控制引入人移动车辆的新鲜空气量的系统。 基于车辆中的乘客数量提供可变流量交换,从而控制与乘客负载相关的正通气量。 人运动车辆是电动的,并且在人动车辆离开车站之后,监视电动机电流并监视车速。 车速在每小时约两英里到每小时约五英里之间的电动机电流与乘客负载成比例,因此可以确定通风要求,并提供适当的正通风量 当车速在上述范围内时,监视电动机电流。