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    • 5. 发明授权
    • Passive detection system for levitated vehicle or levitated vehicle system
    • 悬浮车辆或悬浮车辆系统的被动检测系统
    • US06439513B1
    • 2002-08-27
    • US09955347
    • 2001-09-18
    • Robert D. Pascoe
    • Robert D. Pascoe
    • B61L2300
    • B61L23/005B61L3/225B61L2210/04
    • A passive detection system for a levitated vehicle includes track circuits. Each track circuit includes a detection loop having a cable with a first end, a length and a second end. The track circuit also includes a transmitter electrically connected to the first end of the cable and adapted to source a current to the detection loop, and a receiver electrically connected to the second end of the cable and adapted to sense the current from the detection loop. An inductor core includes two openings adapted to receive the length of the cable and two openings adapted to avoid the first and second ends of the cable. The inductor core is adapted to change the sensed current of the receiver, in order to detect a presence of the levitated vehicle at the detection loop. A member is adapted to support the inductor core from the vehicle.
    • 用于悬浮车辆的被动检测系统包括轨道电路。 每个轨道电路包括具有第一端,长度和第二端的电缆的检测回路。 轨道电路还包括电连接到电缆的第一端并适于将电流源送到检测回路的发射器,以及电连接到电缆的第二端并适于感测来自检测回路的电流的接收器。 电感器芯包括适于接收电缆的长度的两个开口和适于避免电缆的第一和第二端的两个开口。 电感器芯适于改变接收器的感测电流,以便检测在检测环路处悬浮的车辆的存在。 构件适于从车辆支撑电感器芯。
    • 7. 发明授权
    • Automated wireless preventive maintenance monitoring system for magnetic
levitation (MAGLEV) trains and other vehicles
    • 自动无线预警维护监控系统,用于磁悬浮(MAGLEV)火车等车辆
    • US5445347A
    • 1995-08-29
    • US062862
    • 1993-05-13
    • Joseph S. Ng
    • Joseph S. Ng
    • B60L3/12B61L3/12B61L15/00G08G9/00B61L1/00
    • G08G9/00B60L3/12B61L15/0027B61L15/0081B61L27/0094B61L3/125B60L2200/26B60L2240/70B61L2210/04Y02T10/7291Y02T90/16
    • A status monitor and diagnostic unit (SMDU) (12) is provided in every car (14,16) of a magnetic levitation (MAGLEV) train (18) or other vehicle, and includes sensors (38,40,42,44,48,52) for monitoring the operational status or condition of the car (14,16). Network status interface units (NSIU) (22) are provided at stations (24) and at other fixed locations (26) through which the train (18) passes. The NSIUs (22) transmit polling signals which cause the SMDUs (12) to transmit data signals representing the operational status of the cars (14,16) to the NSIUs (22) via a spread-spectrum time-division-multiple-access (TDMA) network (30) when the train (18) passes proximate thereto. The NSIUs (22) relay the data signals to a maintenance control center (MCC) (28) via a wide-area-network (WAN) (32). The MCC (28) generates a prognosis of the operating conditions of the cars (14,16) in accordance with the data signals, and schedules maintenance actions based on the prognosis. The MCC (28) also includes a computerized maintenance data base (88) which can be accessed by technicians at remote repair facilities.
    • 在磁悬浮(MAGLEV)列车(18)或其他车辆的每个车厢(14,16)中提供状态监视和诊断单元(SMDU)(12),并且包括传感器(38,40,42,44,48 ,52)用于监视汽车的运行状态或状况(14,16)。 网站状态界面单元(NSIU)(22)设置在站(24)和列车(18)经过的其他固定位置(26)处。 NSIU(22)发送轮询信号,其使得SMDU(12)经由扩展频谱时分多址接入(14,16)向NSIU(22)发送表示汽车(14,16)的操作状态的数据信号 TDMA)网络(30)。 NSIU(22)通过广域网(WAN)(32)将数据信号中继到维护控制中心(MCC)(28)。 MCC(28)根据数据信号产生轿厢(14,16)的运行状况的预测,并根据预测调度维护动作。 MCC(28)还包括计算机化的维护数据库(88),其可由远程维修设施的技术人员访问。