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    • 1. 发明授权
    • Method and apparatus for christening a trainline monitor system
    • 用于洗礼火车线监控系统的方法和装置
    • US5353413A
    • 1994-10-04
    • US853796
    • 1992-03-19
    • Michael R. NovakovichJoseph S. Majewski
    • Michael R. NovakovichJoseph S. Majewski
    • B61L15/00G06F11/16G06F13/00
    • H04L29/12254B61L15/0036B61L15/0072G06F11/16H04L61/2038H04L12/40189H04L2012/40293
    • A method for initializing a communication network in a train including a plurality of cars, the network comprising a train bus, a train bus master on one of the cars and a train bus slave on each other car connectable to the train bus master by the train bus for communicating with the train bus master. The method includes determining whether the one car with the train bus master is located at one end of the train or is in the middle of the train. The method further includes transmitting first messages between the train bus master and each train bus slave, respectively, located in one direction for assigning an address to each train bus slave located in that one direction and acquiring data at the train bus master uniquely identifying the respective train bus slaves in that one direction. The method further includes transmitting, when the determining step determines that the one car is located in the middle of the train, second messages between the train bus master and each train bus slave, respectively, located in an other direction for assigning an address to each train bus slave located in the other direction and acquiring data at the train bus master uniquely identifying the respective slaves in the other direction.
    • 一种用于初始化包括多个轿厢的列车中的通信网络的方法,所述网络包括列车总线,在其中一个轿厢上的列车总线主机和彼此可连接到列车总线主机的火车总线从站 总线与火车总线主人沟通。 该方法包括确定具有火车总线主人的一辆汽车是位于列车的一端还是在列车的中间。 该方法还包括在列车总线主机和每个列车总线从机之间分别在一个方向上发送第一个消息,用于向位于该一个方向的每个列车总线从站分配一个地址,并在列车总线主机处获取数据, 在那个方向训练巴士的奴隶。 该方法还包括当确定步骤确定一辆汽车位于火车中间时,分别在列车总线主机和每个列车总线从站之间分别位于另一方向上的第二消息,以将地址分配给每个 位于另一方向的列车总线从站,并且在列车总线主机处获取在另一方向唯一地识别相应从站的数据。
    • 2. 发明授权
    • Method and apparatus for monitoring and switching over to a back-up bus
in a redundant trainline monitor system
    • 用于在冗余列车监控系统中监视和切换到备用总线的方法和装置
    • US5404465A
    • 1995-04-04
    • US29348
    • 1993-03-10
    • Michael R. NovakovichJoseph S. Majewski
    • Michael R. NovakovichJoseph S. Majewski
    • G06F11/20G06F13/00G06F11/00
    • B61L15/0063G06F11/2007H04L12/40189H04L2012/40293
    • A method A and apparatus for monitoring and switching over from a primary bus to a back-up bus in a network having a master node and at least one slave node, the primary bus and the back-up bus each interconnecting the master node and the at least one slave node. The method includes periodically sending via the back-up bus from the master node to each of the slave nodes a master test packet containing a master address of the master node on the back-up bus and sending on the back-up bus from the at least one slave node to the master node and in response to receiving the master test packet, a slave test packet containing a slave address of the at least one slave node on the back-up bus. The method further includes indicating failures on the primary and back-up bus and disconnecting the primary bus from the master node and the at least one slave node and resuming communications between the master node and the at least one slave node via the back-up bus when a failure occurs on the primary bus and no failures occur on the back-up bus.
    • 一种用于在具有主节点和至少一个从节点的网络中监视和切换从主总线到备用总线的方法A,所述主总线和备用总线每个将主节点和 至少一个从节点。 该方法包括:通过备用总线从备用总线周期性地向备用总线发送包含备用总线上的主节点的主地址的主测试分组,并从备用总线从备用总线从备用总线上发送 至少一个从节点,并且响应于接收到主测试分组,包含备用总线上至少一个从节点的从地址的从测试分组。 该方法还包括指示主备用和备用总线上的故障,并且从主节点和至少一个从节点断开主总线,并且通过备用总线恢复主节点与至少一个从节点之间的通信 当主总线发生故障时,备用总线上不发生故障。
    • 3. 发明授权
    • Multi-master resolution of a serial bus
    • 串行总线的多主分辨率
    • US5289176A
    • 1994-02-22
    • US853960
    • 1992-03-19
    • Michael R. NovakovichJoseph S. Majewski
    • Michael R. NovakovichJoseph S. Majewski
    • G06F13/14G05B23/02
    • G06F13/14
    • A method and apparatus for determining an overall master node for an overall communication network with a serial bus, wherein the overall communication network comprises an original communication network connected to a new communication network via a serial bus with high level data link control (HDLC) packets. The method and apparatus are especially applicable to trainline monitor systems since such systems are frequently divided up and rearranged because their associated trains are frequently divided up and rearranged. The method involves performing a series of steps in order to relinquish mastership of certain master nodes placing those master nodes in an inactive state and making a desired master node an overall master node of the resulting overall trainline monitor system, and the apparatus involves a corresponding series of means for performing these steps.
    • 一种用于确定具有串行总线的总体通信网络的总体主节点的方法和装置,其中所述总体通信网络包括经由具有高级数据链路控制(HDLC)分组的串行总线连接到新通信网络的原始通信网络 。 该方法和装置特别适用于列车监控系统,因为这些系统经常被分配和重新排列,因为它们的相关列车经常被分配和重新排列。 该方法涉及执行一系列步骤,以便放弃将这些主节点置于非活动状态并使期望的主节点成为所产生的总线路监视系统的整体主节点的某些主节点的掌握,并且该装置涉及相应的系列 执行这些步骤的手段。
    • 6. 发明申请
    • MICROPROCESSOR SUPERVISION IN A SPECIAL PURPOSE COMPUTER SYSTEM
    • 微处理器在特殊用途计算机系统中的监控
    • US20080276132A1
    • 2008-11-06
    • US11743566
    • 2007-05-02
    • Joseph S. MajewskiMark E. Anglin
    • Joseph S. MajewskiMark E. Anglin
    • G06F11/00
    • G06F11/0757G06F11/1417
    • Devices and methods for microprocessor supervision in a special purpose computer system are provided. One illustrative embodiment includes a first watchdog timer internal to the microprocessor and a second watchdog timer external to the microprocessor. In some cases, the internal watchdog timer may be initiated prior to or during the operating system startup and the external watchdog timer may be initiated after the operating system is up and running. The internal watchdog timer may have a relatively longer timer duration than the external watchdog timer, but is not required in all embodiments. In some embodiments, the internal watchdog timer may monitor the microprocessor's startup sequence and the internal watchdog timer and/or external watchdog timer may monitor the microprocessor when the operating system is up and running. If the microprocessor faults at any time during startup or while the operating system is up and running, the internal and/or external watchdog timer may trigger a microprocessor reset.
    • 提供了专用计算机系统中微处理器监控的装置和方法。 一个说明性实施例包括微处理器内部的第一看门狗定时器和微处理器外部的第二看门狗定时器。 在某些情况下,内部看门狗定时器可能在操作系统启动之前或期间启动,外部看门狗定时器可能在操作系统启动并运行后启动。 内部看门狗定时器可能具有比外部看门狗定时器相对更长的定时器持续时间,但在所有实施例中不是必需的。 在一些实施例中,内部看门狗定时器可以监视微处理器的启动顺序,并且当操作系统启动并运行时,内部看门狗定时器和/或外部看门狗定时器可以监视微处理器。 如果微处理器在启动过程中或在操作系统启动和运行的任何时间发生故障,内部和/或外部看门狗定时器可能触发微处理器复位。
    • 7. 发明授权
    • Microprocessor supervision in a special purpose computer system
    • 微机监控在专用计算机系统中
    • US07774648B2
    • 2010-08-10
    • US11743566
    • 2007-05-02
    • Joseph S. MajewskiMark E. Anglin
    • Joseph S. MajewskiMark E. Anglin
    • G06F11/00
    • G06F11/0757G06F11/1417
    • Devices and methods for microprocessor supervision in a special purpose computer system are provided. One illustrative embodiment includes a first watchdog timer internal to the microprocessor and a second watchdog timer external to the microprocessor. In some cases, the internal watchdog timer may be initiated prior to or during the operating system startup and the external watchdog timer may be initiated after the operating system is up and running. The internal watchdog timer may have a relatively longer timer duration than the external watchdog timer, but is not required in all embodiments. In some embodiments, the internal watchdog timer may monitor the microprocessor's startup sequence and the internal watchdog timer and/or external watchdog timer may monitor the microprocessor when the operating system is up and running. If the microprocessor faults at any time during startup or while the operating system is up and running, the internal and/or external watchdog timer may trigger a microprocessor reset.
    • 提供了专用计算机系统中微处理器监控的装置和方法。 一个说明性实施例包括微处理器内部的第一看门狗定时器和微处理器外部的第二看门狗定时器。 在某些情况下,内部看门狗定时器可能在操作系统启动之前或期间启动,外部看门狗定时器可能在操作系统启动并运行后启动。 内部看门狗定时器可能具有比外部看门狗定时器相对更长的定时器持续时间,但在所有实施例中不是必需的。 在一些实施例中,内部看门狗定时器可以监视微处理器的启动顺序,并且当操作系统启动并运行时,内部看门狗定时器和/或外部看门狗定时器可以监视微处理器。 如果微处理器在启动过程中或在操作系统启动和运行的任何时间发生故障,内部和/或外部看门狗定时器可能触发微处理器复位。