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    REAL-TIME DIGITAL DATA DEGRADATION DETECTION
    5.
    发明申请
    REAL-TIME DIGITAL DATA DEGRADATION DETECTION 有权

    公开(公告)号：US20220377003A1

    公开(公告)日：2022-11-24

    申请号：US17325458

    申请日：2021-05-20

    Applicant: Schweitzer Engineering Laboratories, Inc.

    Inventor： Bharat Nalla ,  Nishchal Sharma ,  Arun Shrestha ,  Ozan Akyildiz ,  Mauricio G. Silveira ,  Manodev J. Rajasekaran ,  Sajal Harmukh ,  Jaya R A K Yellajosula

    IPC: H04L12/26

    Abstract: Systems and methods are disclosed to monitor real-time digital data for degradation. In one embodiment, an intelligent electronic device (“IED”) in an electric power system may include an interface to receive a stream of digital data, the stream of digital data comprising a plurality of data frames. A protective action subsystem may monitor the sampled digital data and implement a protective action based on the stream of sampled digital data. A digital data degradation detection subsystem may analyze a plurality of digital metrics associated with the plurality of data frames and make a determination regarding degradation of a communication channel based on whether the plurality of digital metrics fails at least one threshold. In response to the determination, the digital data degradation detection subsystem may implement a response to the determination that the plurality of digital metrics fails at least one threshold.

    Network device
    6.
    发明授权
    Network device 有权
    网络设备

    公开(公告)号：US09300591B2

    公开(公告)日：2016-03-29

    申请号：US14094211

    申请日：2013-12-02

    Applicant: Schweitzer Engineering Laboratories, Inc.

    Inventor： Manodev J. Rajasekaran ,  David M. Rector ,  Damian Sanchez Moreno ,  M. Wesley Kunzler ,  Srinivas Achanta ,  Jerry J. Bennett ,  Ian C. Ender

    IPC: H04L12/835 ,  H04L12/801 ,  H04L12/933

    CPC classification number: H04L47/30 ,  H04L47/29 ,  H04L49/10

    Abstract: Disclosed is a network communication switch that facilitates reliable communication of high priority traffic over lower priority traffic across all ingress and egress ports. The network communication switch may monitor the frame storage buffer regardless of egress port, and when the frame storage buffer reaches a predetermined level, the switch may discard lower priority frames from the most congested port. When the frame storage buffer reaches a second predetermined level, the switch may discard lower priority frames before they are stored according to egress port. The network communication switch may further monitor ingress frames for priority, and assign priority to frames according to pre-assigned priority, ingress port, and/or frame contents.

    Abstract translation: 公开了一种网络通信交换机，其便于通过所有入口和出口端口的较低优先级业务的高优先级流量的可靠通信。 网络通信交换机可以监视帧存储缓冲器而不管出口端口，并且当帧存储缓冲器达到预定级别时，交换机可以丢弃来自最拥塞端口的较低优先级帧。 当帧存储缓冲器达到第二预定级别时，交换机可以在根据出口端口存储之前丢弃较低优先级的帧。 网络通信交换机可以进一步监控入口帧的优先级，并根据预分配的优先级，入口端口和/或帧内容来分配优先级。

    Data sharing in a point-to-point system
    8.
    发明授权
    Data sharing in a point-to-point system 有权

    公开(公告)号：US11411609B1

    公开(公告)日：2022-08-09

    申请号：US17399796

    申请日：2021-08-11

    Applicant: Schweitzer Engineering Laboratories, Inc.

    Inventor： Arun Shrestha ,  Ozan Akyildiz ,  Manodev J. Rajasekaran

    IPC: H04B3/54 ,  H04L69/324

    Abstract: The present disclosure pertains to systems and methods to share data in a point-to-point system. In one embodiment, a system to share point-to-point information may be used in an electric power system, and the system may include a communication interface to communicate using a point-to-point protocol using at least a first port and a second port. A point-to-point information sharing subsystem may receive an indication that point-to-point information received on the first port is to be shared on the second port and may configure the second port to share point-to-point information received on the first port. In some embodiments, a delay associated with the communication link may be added to the shared point-to-point information prior to transmission.

    Hardware accelerated communication frame
    9.
    发明授权
    Hardware accelerated communication frame 有权

    公开(公告)号：US11128481B2

    公开(公告)日：2021-09-21

    申请号：US16414449

    申请日：2019-05-16

    Applicant: Schweitzer Engineering Laboratories, Inc.

    Inventor： Manodev J. Rajasekaran ,  Greg Rzepka ,  Bryon S. Bridges

    IPC: H04L12/10

    Abstract: Disclosed herein are systems for hardware accelerated communications between devices for the protection of electric power delivery systems. For example, a merging unit may include input circuitry that receives a monitoring signal indicating an electrical characteristic of a power line. The merging unit may include pre-payload circuitry that generates at least portions of preset metadata of a communication frame. The merging unit may include payload generation circuitry that generates payload data of the communication frame based at least in part on the electrical characteristic. The merging unit may include a communication interface that sends the communication frame to a receiving device.

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