-
公开(公告)号：US20240097987A1
公开(公告)日：2024-03-21
申请号：US18522744
申请日：2023-11-29
Applicant: Schweitzer Engineering Laboratories, Inc.
Inventor： David J. Dolezilek , Amandeep Singh Kalra
IPC: H04L41/122 , H04L9/40 , H04L43/50
CPC classification number: H04L41/122 , H04L43/50 , H04L63/1408
Abstract: Various examples of systems and methods are described herein in which multiple intelligent electronic devices (IEDs) are connected in a network. A software-defined network (SDN) controller may include a rule subsystem, a test mode subsystem, a packet inspection subsystem, and a validation subsystem. The rule subsystem may define a plurality of flow rules. A test mode subsystem may operate the SDN in a testing mode. A packet insertion subsystem may insert test packets within the SDN while the SDN is in the testing mode. The validation subsystem may validate or fail each flow rule depending on how the various test packets are handled.
-
公开(公告)号：US20230253824A1
公开(公告)日：2023-08-10
申请号：US17592732
申请日：2022-02-04
Applicant: Schweitzer Engineering Laboratories, Inc.
Inventor： David J. Dolezilek , Ricardo L. Abboud , Amandeep Singh Kalra
CPC classification number: H02J13/0001 , H04L69/22 , H04L67/12 , H02J13/00028 , H02J13/00034
Abstract: Systems and methods to send or receive redundant Generic Object Oriented Substation Event (GOOSE) messages are described. An intelligent electronic device may obtain power system data from a power system. The TED may publish the power system data in a first GOOSE message and publish the same power system data in a second GOOSE message. The second GOOSE message may have different header information than the first GOOSE message to allow the subscriber to determine that the redundant GOOSE messages are both received. If the first and second GOOSE message are duplicates with identical header information but unique trailer information methods allow the subscriber to determine that the duplicate GOOSE messages are both received.
-
公开(公告)号：US11425033B2
公开(公告)日：2022-08-23
申请号：US16829775
申请日：2020-03-25
Applicant: Schweitzer Engineering Laboratories, Inc.
Inventor： Amandeep Singh Kalra , David J. Dolezilek , Robert Meine
IPC: H04L45/28 , H04L12/423 , H04L43/026 , H04L45/00 , H04L43/0829 , H04L49/55 , H04L43/028
Abstract: A network communication system may include intelligent electronic devices (IEDs) in a ring communication network. A software-defined networking device may be programmed by a removable or disconnectable software-defined network (SDN) controller to control the flow path of data packets to the IEDs in the ring network. The software-defined networking device may inspect a data packet intended for a first IED to determine that the inspected data packet requests a responsive data packet from the first IED. A flow path failure may be identified based on a failure to detect a responsive data packet from the first IED within an expected response time.
-
公开(公告)号：US10826324B2
公开(公告)日：2020-11-03
申请号：US15982201
申请日：2018-05-17
Applicant: Schweitzer Engineering Laboratories, Inc.
Inventor： David J. Dolezilek
IPC: H02J13/00 , H03K19/17724 , H02J3/38
Abstract: Mitigation of gratuitous conditions on an electric power delivery system is disclosed herein. Intelligent electronic devices (IEDs) may take actions on the electric power delivery system based on commands received via communications channels and based on detected electrical conditions. When a gratuitous condition (such as a cyber attack) is detected, a block command is provided to the IEDs such that the IEDs do not effect actions corresponding with commands received over a communications system. Communications may pass through a condition monitor of a communications device to detect insecurity and either block the communications or command the IED to enter interlock mode.
-
公开(公告)号：US20190207694A1
公开(公告)日：2019-07-04
申请号：US16294524
申请日：2019-03-06
Applicant: Schweitzer Engineering Laboratories, Inc.
Inventor： David J. Dolezilek , Jorge Fernando Calero , Amandeep Singh Kalra , Brian T. Waldron
CPC classification number: H04J3/0658 , H02H7/261 , H04L12/2816
Abstract: The present disclosure pertains to systems and methods for publishing time-synchronized information. In one embodiment, a system may include a time interface configured to receive a common time signal and a network interface configured to transmit a plurality of data packets using a network. A publishing subsystem may be configured to cause the system to publish at least one data value according to a schedule and the common time signal. A processing sequence number subsystem may be configured to generate a processing sequence number to be included in the plurality of data packets and to reset the processing sequence number at a fixed interval based on the common time signal. A data packet subsystem may be configured to generate a plurality of data packets comprising a respective processing sequence number and the at least one data value.
-
Patent Agency Ranking
公开(公告)号：US09620955B2
公开(公告)日：2017-04-11
申请号：US13841260
申请日：2013-03-15
Applicant: Schweitzer Engineering Laboratories, Inc.
Inventor： David J. Dolezilek , Benjamin S. Day , Dennis Gammel , Ryan Bradetich , Jerry J Bennett , Christopher Ewing
IPC: G06F15/167 , H02H7/26 , H04L29/08 , H02H1/00
CPC classification number: H02H7/261 , H02H1/0061 , H04L67/2842
Abstract: Systems and methods are presented for managing communication between devices in an electric power generation and delivery system. In certain embodiments, a method for managing communication messages performed by a network device included in an electric power generation and delivery system may include receiving a message including an identifier and data state information via a communications interface. A determination may be made that that the message represents a data state change associated with the identifier. The message may be stored in a message buffer associated with the identifier. Finally, the stored message may be transmitted from the message buffer to an intelligent electronic device.
-
7.发明申请公开(公告)号：US20140282021A1
公开(公告)日：2014-09-18
申请号：US13840787
申请日：2013-03-15
Applicant: SCHWEITZER ENGINEERING LABORATORIES, INC.
Inventor： David J. Dolezilek , Jason A. Dearien , Benjamin S. Day , Dennis Gammel , Ryan Bradetich , Jerry J. Bennett , Christopher Ewing
IPC: H04L12/24
CPC classification number: H04L41/22 , H02J13/001 , H04L41/12 , Y04S10/40 , Y04S40/164
Abstract: Systems and methods are presented for visualizing various devices in an electric power generation and delivery system. In certain embodiments, a method for visualizing communication may include receiving configuration information from an electric power generation and delivery system. Based on the configuration information, a plurality of devices included in the electric power generation and delivery system may be identified. Further, a plurality of communication pathways may be identified. Based on the identified plurality of devices and communication pathways, a visual topology of the electric power generation and delivery system may be generated and displayed.
Abstract translation: 提出了用于可视化发电和输送系统中的各种装置的系统和方法。 在某些实施例中，用于可视化通信的方法可以包括从发电和传送系统接收配置信息。 基于配置信息，可以识别包括在发电和发送系统中的多个设备。 此外，可以识别多个通信路径。 基于所识别的多个设备和通信路径，可以生成并显示发电和发送系统的视觉拓扑。
-
8.发明申请公开(公告)号：US20140280714A1
公开(公告)日：2014-09-18
申请号：US13841688
申请日：2013-03-15
Applicant: SCHWEITZER ENGINEERING LABORATORIES, INC.
Inventor： David J. Dolezilek , Benjamin S. Day , Dennis Gammel , Ryan Bradetich , Jerry J. Bennett , Christopher Ewing , Shankar V. Achanta
IPC: H04L29/08
Abstract: Systems and methods are presented for facilitating mixed-mode communication between stations in an electric power generation and delivery system. In certain embodiments, a method for facilitating mixed-mode communication between a first device configured to communicate according to a first communication protocol and a second device configured to communicate according to a second communication protocol is presented The method may include installing a network device in a communication channel between the first device and the second device. A communications interface of the network device may be configured to receive messages from the first device and the second device. A message reconfiguration system of the network device may be configured to reconfigure messages received by the network device from the first device to reconfigured messages for transmission to the second device.
Abstract translation: 提出了系统和方法，用于促进发电和输送系统中的站之间的混合模式通信。 在某些实施例中，提供了一种促进被配置为根据第一通信协议进行通信的第一设备和被配置为根据第二通信协议进行通信的第二设备之间的混合模式通信的方法。所述方法可以包括：将网络设备安装在 第一设备和第二设备之间的通信信道。 网络设备的通信接口可以被配置为从第一设备和第二设备接收消息。 网络设备的消息重新配置系统可以被配置为将由网络设备接收的消息从第一设备重新配置为重配置消息以便传输到第二设备。
-
公开(公告)号：US20250047427A1
公开(公告)日：2025-02-06
申请号：US18363082
申请日：2023-08-01
Applicant: Schweitzer Engineering Laboratories, Inc.
Inventor： Mauricio G. Silveira , Bharat Nalla , Rajeev Kumar Babu , David J. Dolezilek , Edson L. Hernandez Cortinas , Nishchal Sharma , Andrew W. Rash , Andrew A. Miller , Lihua Ran
IPC: H04L1/22 , H04L1/1867 , H04L41/0604
Abstract: This disclosure pertains to systems and methods to detect network errors in a parallel redundant protocol (PRP) network. A node-level redundancy error subsystem of an intelligent electronic device (IED) maintains records (e.g., counts) of information associated with missing duplicate frames expected from node devices on the PRP network via redundant first and second local area networks (LANs). Non-zero counts of missing duplicate frames may be identified as network errors.
-
公开(公告)号：US20220337575A1
公开(公告)日：2022-10-20
申请号：US17231227
申请日：2021-04-15
Applicant: Schweitzer Engineering Laboratories, Inc.
Inventor： David J. Bowen , David J. Dolezilek
Abstract: Embodiments herein include an intelligent electronic device (IED) by employing a multi-factor authentication process. In some embodiments, to change the access level of the IED, the user may use the password and additional inputs such as an off-site operator sending a command, or the user engaging a push button or switch local to the IED.
-
-
-
-
-
-
-
-
-
Search Results
40
records
(took 0.025 seconds)
