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    Method for fault location to multi-terminal traveling wave in direct current distribution line
    32.
    发明申请
    Method for fault location to multi-terminal traveling wave in direct current distribution line 有权

    公开(公告)号：US20210156899A1

    公开(公告)日：2021-05-27

    申请号：US17013879

    申请日：2020-09-08

    Applicant: Shandong University of Technology

    Inventor： Yu Chen ,  Jinghua Wang ,  Bingyin Xu ,  Ke Peng ,  Wei Wang

    IPC: G01R31/08 ,  G01R31/11

    Abstract: A method for fault location to multi-terminal traveling wave in a direct current distribution line, which belongs to the field of power line fault ranging and location technology. The method includes a main site and a plurality of acquisition points installed into the distribution line and includes steps as follows. Step 1001: collecting and uploading a traveling wave signal by each of the acquisition points after a fault occurs in the line; step 1002: generating a fault record set; step 1003: computing the shortest paths from a central site to other sites and their lengths; step 1004: using expanded two-terminal traveling wave ranging principle for pairing computation; step 1005: converting positions of possible disturbance points into possible disturbance occurrence time points; step 1006: extrapolating from equal path lengths of the possible disturbance points to obtain disturbance time data; and step 1007: determining a final disturbance point.

    CONSTRUCTION OF MUCOR CIRCINELLOIDES CELL FACTORY FOR PRODUCING STEARIDONIC ACID AND FERMENTATION TECHNOLOGY THEREOF
    33.
    发明申请
    CONSTRUCTION OF MUCOR CIRCINELLOIDES CELL FACTORY FOR PRODUCING STEARIDONIC ACID AND FERMENTATION TECHNOLOGY THEREOF 有权

    公开(公告)号：US20210102225A1

    公开(公告)日：2021-04-08

    申请号：US17120160

    申请日：2020-12-12

    Applicant: SHANDONG UNIVERSITY OF TECHNOLOGY

    Inventor： Yuanda SONG ,  Md. Ahsanul Kabir KHAN ,  Junhuan YANG ,  Yao ZHANG ,  Wu YANG ,  Shaoqi LI

    IPC: C12P7/64 ,  C12N9/02

    Abstract: Provided is construction of Mucor circinelloides cell factory for producing stearidonic acid SDA and fermentation technology thereof. Δ15 Des gene is obtained by cloning from Mortierella alpina, the gene is ligated to an integrative plasmid pMAT1552, and transformed into a Mucor circinelloides defective strain Mu402, and Δ15 Des is integrated on Mucor circinelloides genome through homologous recombination, to obtain the recombinant strain Mc-Δ15, finally, the expression of the Δ15 Des gene in Mucor circinelloides is realized. The recombinant new strain was preserved in China General Microbiological Culture Collection Center on Jun. 20, 2018, and the address is NO. 1 West Beichen Road, Chaoyang District, Beijing. The center gave the biological material the preservation number CGMCC No. 15888, and the suggested classification name is Mucor circinelloides-D15D.

    Application topology recognition method for distribution networks
    35.
    发明授权
    Application topology recognition method for distribution networks 有权

    公开(公告)号：US09804626B2

    公开(公告)日：2017-10-31

    申请号：US14897710

    申请日：2014-04-19

    Applicant: SHANDONG UNIVERSITY OF TECHNOLOGY ,  SHANDONG KEHUI POWER AUTOMATION CO., LTD

    Inventor： Bingyin Xu ,  Jinghua Wang

    IPC: G05F1/66 ,  H02J13/00 ,  G05B15/02 ,  G06F17/30 ,  H04L12/24

    CPC classification number: G05F1/66 ,  G05B15/02 ,  G06F17/30371 ,  G06F17/3051 ,  G06F17/30864 ,  H02J13/00 ,  H04L41/12

    Abstract: The present invention relates to a method for automatic identification of an application network topology for power distribution network control which belongs to the field of electric power automation. The method comprises the following steps: 1. statically configuring attributes of a switch; 2. determining, by a power distribution network intelligent terminal STU, whether a query trigger condition is satisfied; 3. sending, by an inquirer, a query command to initiate the query into an application network topology; 4. replying to the query command; 5. receiving the query command; 6. checking the integrity of the switch attribute information; and 7. forming an application network topology. The present method for automatic identification of an application network topology for a power distribution network control has few calculations and can be executed with high speed, ensures the integrity and reliability of information, and is particularly suitable for distributed intelligent control of the power distribution network. The establishment of the application network topology is distributed to each power distribution network intelligent terminal STU, thus reducing heavy calculation, and is suitable for applications having relatively few embedded system software and hardware resources.

    SINGLE-LAYER THREE-SECTION RAIL-TYPE PLANAR ROBOT CONTAINING A DOUBLE PARALLELOGRAM
    40.
    发明公开
    SINGLE-LAYER THREE-SECTION RAIL-TYPE PLANAR ROBOT CONTAINING A DOUBLE PARALLELOGRAM 审中-公开

    公开(公告)号：US20230347507A1

    公开(公告)日：2023-11-02

    申请号：US18220305

    申请日：2023-07-11

    Applicant: Shandong University of Technology

    Inventor： Yubin Lan ,  Jinliang Gong ,  Yanfei Zhang ,  Wei Wang

    IPC: B25J9/10 ,  B25J17/02

    CPC classification number: B25J9/1065 ,  B25J9/104 ,  B25J17/0258

    Abstract: A single-layer three-section rail-type planar robot containing a double parallelogram, is composed of a stationary platform, a motion platform and three branched chains with the same structure connecting the stationary platform and the motion platform, the stationary platform is provided with three planar curved rails, each planar curved rail is connected to the motion platform through a branched chain, and each branched chain includes a slider, two link bars I arranged in parallel, two link bars II arranged in parallel, and link bar III, select one revolute joint I in each branched chain to form three revolute joints I as the main driving joint or three sliders as the driving parts.

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