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    Distributed control system architecture based on synchronized clocks
    1.
    发明授权
    Distributed control system architecture based on synchronized clocks 有权
    基于同步时钟的分布式控制系统架构

    公开(公告)号：US06654356B1

    公开(公告)日：2003-11-25

    申请号：US09182252

    申请日：1998-10-29

    申请人： John C. Eidson ,  Jogesh Warrior ,  Hans J. Sitte

    发明人： John C. Eidson ,  Jogesh Warrior ,  Hans J. Sitte

    IPC分类号： H04J306

    CPC分类号： H04J3/0661 ,  H04J3/0667

    摘要： A distributed system with an architecture based on synchronized clocks that provides accurate coordination of control functions. The distributed system includes a set of nodes coupled to a communication link. Each node has a clock which holds a real-world time. The nodes participate in a synchronization protocol on the communication link for synchronizing the real-world time in each clock. The architecture of the distributed system is such that the synchronization of control functionality in the distributed system is based upon the real-world time in the clocks. A variety of examples of applications for this architecture are set forth.

    摘要翻译： 具有基于同步时钟的架构的分布式系统，提供控制功能的准确协调。 分布式系统包括耦合到通信链路的一组节点。 每个节点都有一个保持真实世界时间的时钟。 节点参与通信链路上的同步协议，用于同步每个时钟中的实际时间。 分布式系统的架构使得分布式系统中的控制功能的同步基于时钟中的现实世界时间。 阐述了该架构的各种应用示例。

    Power distribution to nodes in a distributed system
    2.
    发明授权
    Power distribution to nodes in a distributed system 有权
    分布式系统中节点的功率分配

    公开(公告)号：US06348874B1

    公开(公告)日：2002-02-19

    申请号：US09172525

    申请日：1998-10-14

    申请人： Wesley D. Cole ,  Hans J. Sitte ,  Mutsuya Ii ,  John C. Eidson

    发明人： Wesley D. Cole ,  Hans J. Sitte ,  Mutsuya Ii ,  John C. Eidson

    IPC分类号： H04L100

    CPC分类号： H04L25/02

    摘要： A system in which remote nodes are supplied with electrical power using existing network communication links. A communication device in a system according to the present techniques routes electrical power to a remote node via a set of unused lines of a network communication link used for communication with the remote node. The electrical power distributed to the remote node may be AC or DC power.

    摘要翻译： 使用现有网络通信链路向远程节点提供电力的系统。 根据本技术的系统中的通信设备经由用于与远程节点通信的网络通信链路的一组未使用的线路将电力路由到远程节点。 分配给远程节点的电力可以是交流或直流电力。

    Sensor actuator bus system
    3.
    发明授权
    Sensor actuator bus system 失效
    传感器执行器总线系统

    公开(公告)号：US5469150A

    公开(公告)日：1995-11-21

    申请号：US364061

    申请日：1994-12-27

    申请人： Hans J. Sitte

    发明人： Hans J. Sitte

    IPC分类号： B60R16/02 ,  B60R16/03 ,  G05B19/05 ,  G05B19/418 ,  H04L12/413 ,  H04Q9/14 ,  G08C19/16 ,  G05B23/02 ,  H04J3/14

    CPC分类号： H04L12/40163 ,  G05B19/054 ,  G05B19/4185 ,  H04L12/4135 ,  H04Q9/14 ,  B60R16/0315 ,  G05B2219/31136 ,  G05B2219/31154 ,  G05B2219/31191 ,  G05B2219/33196 ,  H04L12/40045 ,  H04L2012/40215 ,  Y02P90/18

    摘要： A four-wire bus is provided with a two-wire power bus and a two-wire signal bus and a plurality of sensors and actuators attached to both two-wire busses. A modification is provided to the standard CAN protocol developed and provided by Robert Bosch GmbH, in which the standard CAN header, of a data packet is modified to incorporate a shortened device identifier priority. By shortening the identifier field of the CAN header three bits are made available for use as a short form protocol data unit which can be used to contain binary information representing both the change of status of an identified device and the current status of the device. The same three-bit PDU can be used to acknowledge receipt of the change of status information. In order to retain all of the beneficial capabilities of the standard CAN protocol, the three-bit short form PDU can also be used to identify the use of additional bytes of a data field so that a device can take advantage of the more complex capabilities of the standard CAN protocol. However, in situations where a mere change of status report is sufficient, the present invention reduces the length of a message from a minimum of three bytes to a length of two bytes to obtain the significant benefits of increased speed of message transmission.

    摘要翻译： 四线总线上设有两线电源总线和两线信号总线以及连接在两线总线上的多个传感器和执行器。 对由Robert Bosch GmbH开发和提供的标准CAN协议进行了修改，其中数据包的标准CAN头被修改为包含缩短的设备标识符优先级。 通过缩短CAN标题的标识符字段，可以使用三位可用作短格式协议数据单元，其可以用于包含表示所识别的设备的状态的改变和设备的当前状态两者的二进制信息。 可以使用相同的三位PDU来确认接收状态信息的更改。 为了保留标准CAN协议的所有有益功能，三比特短格式PDU也可用于识别数据字段的附加字节的使用，以便器件可以利用更复杂的功能 标准CAN协议。 然而，在仅仅改变状态报告就足够的情况下，本发明将消息的长度从最小的三个字节减小到两个字节的长度，以获得提高消息传输速度的显着优点。