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    Spatial coordinate positioning system
    5.
    发明授权
    Spatial coordinate positioning system 有权

    公开(公告)号：US11960022B2

    公开(公告)日：2024-04-16

    申请号：US17434758

    申请日：2019-04-18

    Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY

    Inventor： Ho-Jae Lee

    IPC: G01S5/14 ,  G01B5/004 ,  G01S5/02

    CPC classification number: G01S5/14 ,  G01B5/004 ,  G01S5/0236

    Abstract: The present invention relates to a spatial coordinate positioning system, particularly to a spatial coordinate positioning system which is capable of measuring a position of spatial positioning target in high-precision by calculating spatial coordinates of assistant point stations at a predetermined interval on the basis of a coordinate of a ground base point station and distance information between the assistant point stations in a space where the plurality of assistant point stations are installed of which coordinates were unknown.

    Two-vane pump and design method of two-vane pump for wastewater using machine learning
    6.
    发明授权
    Two-vane pump and design method of two-vane pump for wastewater using machine learning 有权

    公开(公告)号：US11953023B2

    公开(公告)日：2024-04-09

    申请号：US17466755

    申请日：2021-09-03

    Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY

    Inventor： Jin Hyuk Kim ,  Sung Kim ,  Sang Bum Ma

    IPC: G06F30/27 ,  F04D1/06 ,  F04D7/04 ,  F04D29/22 ,  F04D29/30 ,  F04D29/44 ,  G06F30/17 ,  G06N3/086

    CPC classification number: F04D29/445 ,  F04D1/06 ,  F04D7/04 ,  F04D29/225 ,  F04D29/30 ,  G06F30/17 ,  G06F30/27 ,  G06N3/086

    Abstract: The present disclosure relates to a two-vane pump for wastewater and a design method of a two-vane pump for wastewater using machine learning, and more particularly, a design method of a two-vane pump using machine learning capable of having efficiency of a target head and performing optimal design for sizes of solids that can pass through and a two-vane pump for wastewater according to the machine learning. According to the present disclosure, there is provided a design method of two-vane pump for wastewater using machine learning, including: a) setting an objective function; b) setting design variables of the impeller and volute for deriving the set objective function and a range of each design variable; c) deriving a plurality of experimental points including values of the design variables within the range of the design variable; d) generating an input value by calculating the value of the objective function through numerical analysis of each of the derived experimental points; e) constructing a surrogate model through machine learning for the input value; and f) deriving an optimal design of the two-vane pump for wastewater from the constructed surrogate model.

    Multi-prober chuck assembly and channel
    9.
    发明授权
    Multi-prober chuck assembly and channel 有权

    公开(公告)号：US11686762B2

    公开(公告)日：2023-06-27

    申请号：US17297657

    申请日：2019-11-25

    Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY

    Inventor： Kyung Tae Nam ,  Seung Joon Lee ,  Kwang Hee Lee

    IPC: G01R31/28 ,  G01R1/073

    CPC classification number: G01R31/2865 ,  G01R1/07307

    Abstract: A multi-prober chuck assembly and channel are provided. The multi-prober chuck assembly, according to one embodiment of the present invention, comprises: a chuck for supporting a wafer; a probe card structure coupled to the top part of the chuck; a heater for heating the chuck under the chuck; a conductive guard plate spaced apart from the heater below the heater; and a body part positioned under the chuck so that the heater and the guard plate are positioned inside the body part, wherein the probe card structure and the body part are coupled mechanically to form a cartridge-type structure.

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