Patents Assigned to KYLAND TECHNOLOGY CO., LTD
  • Patent number: 10237288
    Abstract: The invention discloses a method for deep data inspection over an industrial internet field broadband bus, the method including: obtaining, by a first node, a message to be transmitted; judging, by the first node, whether a bus device address in the message to be transmitted lies in a preset range of bus device addresses; and if the bus device address lies in the preset range of bus device addresses, then transmitting, by the first node, the message to be transmitted to a processor of the first node. The first node only forwards the message to be transmitted, lying in the preset range of bus device addresses to thereby improve the security of transmitting the message.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: March 19, 2019
    Assignee: KYLAND TECHNOLOGY CO., LTD.
    Inventor: Jinju Wei
  • Patent number: 10235878
    Abstract: The application relates to an intelligent traffic cloud control system configured to acquire and centrally analyze a large amount of field data in a traffic system, and to control the traffic system. Unlike a traditional traffic directing and controlling system in such an operating mode that data are acquired and transmitted respectively by different sensing devices, and then collected, analyzed, and processed by a central system, the intelligent traffic cloud control system according to the invention analyzes and processes centrally a large amount of data through field control servers communicating over IP address based broadband buses, and performs adaptive traffic control, traffic regulation enforcement, position tracking, coordinated control, and other service functions through integrating edge computing and cloud computing at a plurality of adjacent field control servers.
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: March 19, 2019
    Assignee: KYLAND TECHNOLOGY CO., LTD
    Inventor: Ping Li
  • Patent number: 10212016
    Abstract: Embodiments of the disclosure disclose a synchronization method and apparatus on the basis of a field broadband bus architecture of an industrial Internet, where the bus architecture includes a bus controller, at least one bus terminal, and a two-wire bus, and the bus controller and the bus terminal are connected over the two-wire bus to constitute a bus system, the bus system communicating using OFDM technology; and in the method, all the bus terminals refer to the bus controller, and when receiving a signal, and transmitting a signal, they adjust a clock for a received signal, and a signal to be transmitted, adaptively according to the downlink pilot signal so as to synchronize their clocks and symbols with the bus controller, and adjust a transmission time for the signal to be transmitted so that all the devices in the bus system are synchronized.
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: February 19, 2019
    Assignee: KYLAND TECHNOLOGY CO., LTD
    Inventors: Zhihui Shao, Jing Shi, Hui Zhong, Yi Huang
  • Patent number: 10209753
    Abstract: The application relates to an intelligent power server applied to a protection and control system for an intelligent substation. According to the application, merging unit and intelligent terminal integrated devices for all bays in the intelligent substation are directly accessed to the intelligent power server. Each merging unit and intelligent terminal integrated device is accessed to one of transport ports on the intelligent power server through an embedded high-bandwidth switched communication network. The intelligent power server realizes measurement and control and protection functions of primary devices throughout the substation and exchange of total station information and a telecontrol function.
    Type: Grant
    Filed: January 12, 2017
    Date of Patent: February 19, 2019
    Assignee: Kyland Technology Co., Ltd
    Inventor: Ping Li
  • Patent number: 10198050
    Abstract: The disclosure relates to a data transferring method based on a protection and control system for an intelligent substation. Merging unit and intelligent terminal integrated devices for all bays in an intelligent substation are respectively accessed to corresponding transport ports of an FPGA access chip of an intelligent power server. The method includes: in a reception period, messages are read from a reception buffer clip by a real-time business central processor, subjected to a process and then written into the reception buffer clip; in a transmission period, the real-time business central processor issues indication information to the FPGA access chip, causing the chip to generate messages according to the indication information and write the messages into a transmission buffer.
    Type: Grant
    Filed: January 12, 2017
    Date of Patent: February 5, 2019
    Assignee: Kyland Technology Co., Ltd
    Inventor: Yuqi Ding
  • Patent number: 10169990
    Abstract: Disclosed are a method and system for distributed redundancy control on an intelligent traffic network, the method includes: sending, by each communication control node, messages for electing a primary device to the other communication control nodes, and electing a primary device from the plurality of communication control nodes according to preset priorities of the communication control nodes, and backing up data of the communication control node in the primary device; and sending state detection messages to the other communication control nodes, if a response message of the communication control node to the state detection message indicates that the communication control node cannot control any action of a device served by the communication control node, controlling action of the device served by the communication control node, and adjusting control intervals of time of signaling lamps at junctions corresponding to the communication control nodes in a redundant network according to traffic flows.
    Type: Grant
    Filed: February 15, 2016
    Date of Patent: January 1, 2019
    Assignee: KYLAND TECHNOLOGY CO., LTD.
    Inventors: Ping Li, Jianfeng Zhang
  • Patent number: 10162790
    Abstract: Disclosed is a method for clock synchronization of an industrial internet field broadband bus, wherein the method is applicable to an industrial internet field broadband bus architecture system including a bus controller and at least one bus terminal, the bus controller is connected with the bus terminal over a two-wire data transfer network, and the method includes steps of: electing one of the bus controller and the bus terminal as a best master clock; determining whether an IP address of the device of the best master clock is the same as an IP address of the bus controller; if so, then determining the bus controller as a master device of clock synchronization, and transmitting by the bus controller a synchronization message to the bus terminal for clock synchronization; and otherwise, returning to the step of electing one of the bus controller and the bus terminal as the best master clock.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: December 25, 2018
    Assignee: KYLAND TECHNOLOGY CO., LTD.
    Inventor: Jinju Wei
  • Patent number: 10164786
    Abstract: The invention relates to an industry internet field broadband bus architecture system based on the two-wire data transmission network widely used in the traditional industry control system, so that the system can provide high-performance Ethernet communication without modifying original wiring and topologies, thus providing a high-performance, highly reliable, highly real-time, and highly secured solution to switching an industry control system field layer network from a traditional field bus to an industry Ethernet bus.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: December 25, 2018
    Assignee: KYLAND TECHNOLOGY CO., LTD.
    Inventor: Ping Li
  • Patent number: 10164785
    Abstract: The invention discloses a method for implementing a real-time industrial internet field broadband bus, the method including: determining, by a bus controller, the number of bus terminals connected therewith; and allocating, by the bus controller, time slices for the bus terminals according to the number of bus terminals, and transmitting, by the bus controller, the time slices to the bus terminals so that the bus terminals operate in the allocated time slices. Moreover data are transmitted in the bus system by removing Ethernet/IP message header information to thereby reduce the length of the message, and shorten a transmission delay and a bus scan periodicity so as to improve the real-time characteristic of the bus system.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: December 25, 2018
    Assignee: KYLAND TECHNOLOGY CO., LTD.
    Inventors: Jianfeng Zhang, Zhiwei Yan
  • Patent number: 10164790
    Abstract: The invention relates to a method for implementing an industry internet field broadband bus, and in the method according to the invention, a bus controller and respective bus terminals transmit data in their respective time slices to thereby ensure timely and temporally determinist data transmission. Thus the embodiments of the invention implement a high-performance, highly reliable, and highly real-time method for implementing an industry internet field broadband bus. Moreover a transmission medium of the two-wire data transmission network can be a twisted pair or a shielded twisted pair so that the method according to the embodiment of the invention can be applicable to a traditional industry control facility using a bus, and thus can be highly universally applicable.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: December 25, 2018
    Assignee: KYLAND TECHNOLOGY CO., LTD.
    Inventors: Jianfeng Zhang, Zhiwei Yan
  • Patent number: 9774496
    Abstract: The invention discloses a method of automatic management on configuration information based upon an intelligent substation, the intelligent substation applying the IEC-61850 standard including IED devices and a switch, wherein the method includes the following steps: parsing an intelligent substation configuration file to acquire communication configuration information and communication association configuration information of the IED devices; and generating a switch configuration file from the communication configuration information and the communication association configuration information of the IED devices. The invention can parse the intelligent substation configuration file, generate the switch configuration file and perform automatic configuration of the industrial Ethernet switch in the intelligent substation using the switch configuration file.
    Type: Grant
    Filed: July 4, 2012
    Date of Patent: September 26, 2017
    Assignee: KYLAND TECHNOLOGY CO., LTD
    Inventors: Huayi Ma, Baihua Xue, Jianchao Huang, Yingjun He
  • Patent number: 9596187
    Abstract: A time-triggered Ethernet (TTE)-based data transmission method and node device, solving the problem of wasting network bandwidth resources in the prior art during TTE-based data transmission; in the method, a main node determines a scheduling period table based on a time-triggered packet; when a node has a to-be-transmitted event-triggered packet, and the node determines, according to the information stored in the scheduling period table, that a physical link occupied by the event-triggered packet is not in conflict with a physical link corresponding to the current time slot, the node transmits the event-triggered packet in the current time slot. The main node does not need to separately allocate time for the event-triggered packet of each node.
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: March 14, 2017
    Assignee: KYLAND TECHNOLOGY CO., LTD
    Inventors: Huayi Ma, Jie Ding, Baihua Xue
  • Patent number: 9432250
    Abstract: Disclosed is a method of implementing a redundant network. Ring network nodes in an initial state are set as master stations, ring ports are set in a half-blocked state, a master station election notification message is broadcast to the ring ports within a preset time interval, the nodes receive the master station election notification message, a node quality comparison vector is compared with node quality comparison vectors of the nodes to elect a master and standby stations, one of the ring ports is in the half-blocked state, the other ring ports are in a forwarding state, the master station broadcasts the master station election notification message to the ring ports, the standby master station stops sending the master station election notification message, the ring ports are in the forwarding state, and the message sent by the master station is received.
    Type: Grant
    Filed: February 29, 2012
    Date of Patent: August 30, 2016
    Assignee: Kyland Technology Co., Ltd
    Inventors: Huayi Ma, Baihua Xue, Qiyun Jiang, Yingjun He, Fanmin Chen, Jianchao Huang, Jianfeng Zhang, Shuchang Zhao
  • Patent number: 9363206
    Abstract: Provided are a transparent clock passive port election method and device based on the PTP protocol. In the method, by extracting the TLV field of a received announce message, a first port of a network device acquires the clock identification information, forwarding times information and port identification information carried in the TLV field, and then compares the forwarding times information and clock identification information carried in the TLV field to the forwarding times information carried in the TLV field contained in a received announce message from a port by itself, and its own clock identification information, so as to select a port as a passive port.
    Type: Grant
    Filed: May 29, 2012
    Date of Patent: June 7, 2016
    Assignee: KYLAND TECHNOLOGY CO., LTD
    Inventors: Huayi Ma, Baihua Xue, Jianchao Huang
  • Publication number: 20150341207
    Abstract: The invention discloses a method of automatic management on configuration information based upon an intelligent substation, the intelligent substation applying the IEC-61850 standard including IED devices and a switch, wherein the method includes the following steps: parsing an intelligent substation configuration file to acquire communication configuration information and communication association configuration information of the IED devices; and generating a switch configuration file from the communication configuration information and the communication association configuration information of the IED devices.
    Type: Application
    Filed: July 4, 2012
    Publication date: November 26, 2015
    Applicant: KYLAND TECHNOLOGY CO. LTD
    Inventors: Huayi MA, Baihua XUE, Jianchao HUANG, Yingjun HE
  • Publication number: 20150138950
    Abstract: Disclosed is a method of implementing a redundant network. Ring network nodes in an initial state are set as master stations, ring ports are set in a half-blocked state, a master station election notification message is broadcast to the ring ports within a preset time interval, the nodes receive the master station election notification message, a node quality comparison vector is compared with node quality comparison vectors of the nodes to elect a master and standby stations, one of the ring ports is in the half-blocked state, the other ring ports are in a forwarding state, the master station broadcasts the master station election notification message to the ring ports, the standby master station stops sending the master station election notification message, the ring ports are in the forwarding state, and the message sent by the master station is received.
    Type: Application
    Filed: February 29, 2012
    Publication date: May 21, 2015
    Applicant: KYLAND TECHNOLOGY CO., LTD
    Inventors: Huayi Ma, Baihua Xue, Qiyun Jiang, Yingjun He, Fanmin Chen, Jianchao Huang, Jianfeng Zhang, Shuchang Zhao