Patents by Inventor Jianxiang Jin

Jianxiang Jin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8850058
    Abstract: The invention provides an Ethernet-based data transmission method, which is applied to a control system with a plurality of nodes. The method comprises: a first node caches the data needed to be sent (S101); if the current communication macro-cycle comprises the time segment for the first node to send data, the first node sends the cached data in the time segment for the first node to send data within the current communication macro-cycle; if the current communication macro-cycle does not comprise the time segment for the first node to send data, the first node does not send the cached data in the current communication macro-cycle; wherein other nodes do not send data in the time segment for the first node to send data within the current communication macro-cycle, and the communication macro-cycles have same durations and each communication macro-cycle consists of a plurality of time segments with a fixed length (S102). The invention further provides Ethernet nodes and a control system.
    Type: Grant
    Filed: April 9, 2010
    Date of Patent: September 30, 2014
    Assignees: Supcon Group Co., Ltd., Zhejiang University
    Inventors: Dongqin Feng, Qiang Wang, Jian Chu, Jianxiang Jin
  • Patent number: 8488475
    Abstract: A fault processing method based on industry Ethernet network, wherein exchanging devices in the network are connected by mutual redundant double links, wherein work link is in working state, the spare link is in spare state, and the method includes: detecting connection states of the double links between the exchanging devices in the network (201); switching the spare link to the work link when the work link is in fault state and the spare state is in connecting state (202). A fault processing system and exchanging device based on industry Ethernet network are further provided, which applies the ring structure of mutual redundant double links according to the invention, the network availability is ensured by switching to the spare link when multipoint faults appear in the network; and the time of fault recovery processing is reduced by switching between mutual redundant links.
    Type: Grant
    Filed: December 20, 2007
    Date of Patent: July 16, 2013
    Assignees: Supcon Group Co., Ltd., Zhejiang University
    Inventors: Dongqin Feng, Jian Chu, Han Zhang, Jianxiang Jin
  • Patent number: 8339969
    Abstract: A distributed ethernet system including a plurality of switches, which switches are connected in sequence to form a ring, where after being synchronized in clock, each of the switches sequentially performs loop detection and protocol machine detection periodically according to a predetermined configuration, and sends a fault alarming message when a loop fault or a protocol machine fault occurs. A fault detecting method based on the system is further provided.
    Type: Grant
    Filed: August 13, 2007
    Date of Patent: December 25, 2012
    Assignees: Supcon Group Co., Ltd., Zhejiang University
    Inventors: Dongqin Feng, Han Zhang, Jian Chu, Jianxiang Jin
  • Publication number: 20110252158
    Abstract: The invention provides an Ethernet-based data transmission method, which is applied to a control system with a plurality of nodes. The method comprises: a first node caches the data needed to be sent (S101); if the current communication macro-cycle comprises the time segment for the first node to send data, the first node sends the cached data in the time segment for the first node to send data within the current communication macro-cycle; if the current communication macro-cycle does not comprise the time segment for the first node to send data, the first node does not send the cached data in the current communication macro-cycle; wherein other nodes do not send data in the time segment for the first node to send data within the current communication macro-cycle, and the communication macro-cycles have same durations and each communication macro-cycle consists of a plurality of time segments with a fixed length (S102). The invention further provides Ethernet nodes and a control system.
    Type: Application
    Filed: April 9, 2010
    Publication date: October 13, 2011
    Applicants: Zhejiang University, Supcon Group Co., Ltd.
    Inventors: Dongqin Feng, Qiang Wang, Jian Chu, Jianxiang Jin
  • Publication number: 20110026394
    Abstract: A distributed ethernet system including a plurality of switches, which switches are connected in sequence to form a ring, where after being synchronized in clock, each of the switches sequentially performs loop detection and protocol machine detection periodically according to a predetermined configuration, and sends a fault alarming message when a loop fault or a protocol machine fault occurs.
    Type: Application
    Filed: August 13, 2007
    Publication date: February 3, 2011
    Inventors: Dongqin Feng, Han Zhang, Jian Chu, Jianxiang Jin
  • Publication number: 20100265820
    Abstract: A fault processing method based on industry Ethernet network, wherein exchanging devices in the network are connected by mutual redundant double links, wherein work link is in working state, the spare link is in spare state, and the method includes: detecting connection states of the double links between the exchanging devices in the network (201); switching the spare link to the work link when the work link is in fault state and the spare state is in connecting state (202). A fault processing system and exchanging device based on industry Ethernet network are further provided, which applies the ring structure of mutual redundant double links according to the invention, the network availability is ensured by switching to the spare link when multipoint faults appear in the network; and the time of fault recovery processing is reduced by switching between mutual redundant links.
    Type: Application
    Filed: December 20, 2007
    Publication date: October 21, 2010
    Applicants: Supcon Group CO. Ltd, Zhejiang University
    Inventors: Dongqin Feng, Jian Chu, Han Zhang, Jianxiang Jin