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    Inertia test apparatus for model ship
    16.
    发明授权
    Inertia test apparatus for model ship 有权

    公开(公告)号：US09714880B2

    公开(公告)日：2017-07-25

    申请号：US14877431

    申请日：2015-10-07

    Applicant: Korea Institute of Ocean Science And Technology

    Inventor： In Bo Park ,  Sung Kwon Choi ,  Jin Ha Kim ,  Yeonguk Won ,  Young-Sik Kim ,  Hong Gun Sung ,  Sa Young Hong ,  Jang Pyo Hong ,  Suk Kyu Cho

    IPC: G01M1/12

    CPC classification number: G01M1/122

    Abstract: The present invention provides an inertia test apparatus for a model ship that mimics a pitching inertia radius of an actual ship by reciprocating a model ship. The apparatus includes a base frame providing a supporting force, vertical frames integrally fixed at both sides of the base frame and having a hinge shaft on an upper end, a swing including a pair of fixing members rotatably hung on the hinge shafts of the vertical frames and a bed integrally formed at a lower ends of the fixing members, and providing a pitching inertia radius of the model ship by reciprocating about the hinge shafts, with the model ship seated on the bed, and a centering adjuster seating the model ship on the bed of the swing and matching a center of gravity of the model ship with a center of the swing by allowing the model ship to move.

    System and method for detecting ambiguities in satellite signals for GPS tracking of vessels
    18.
    发明授权
    System and method for detecting ambiguities in satellite signals for GPS tracking of vessels 有权

    公开(公告)号：US09638806B2

    公开(公告)日：2017-05-02

    申请号：US14400083

    申请日：2012-11-15

    Applicant: Korea Institute of Ocean Science And Technology

    Inventor： Woo Seong Shim ,  Deuk Jae Cho

    IPC: G01S19/40

    CPC classification number: G01S19/40

    Abstract: The present invention relates to a system for detecting ambiguities in a satellite signal for the GPS tracking of vessels, which includes: a GNSS receiving unit obtaining a vessel position using a plurality of satellites; a vessel position calculating unit calculating a second vessel position from a first vessel position after a specific amount of time elapses using dead-reckoning; a distance calculating unit calculating prediction distances between each of the satellites and the vessel and an error monitoring unit comparing the calculated prediction distances between the satellites and the vessel, and pseudoranges between the satellites and the GNSS receiving unit at the second vessel position, and monitoring for the occurrence of errors at the satellites on the basis of the existence of an increase in errors at each of the satellites.

    INERTIA TEST APPARATUS FOR MODEL SHIP
    19.
    发明申请
    INERTIA TEST APPARATUS FOR MODEL SHIP 有权
    INERTIA型号船舶试验装置

    公开(公告)号：US20160138994A1

    公开(公告)日：2016-05-19

    申请号：US14877431

    申请日：2015-10-07

    Applicant: Korea Institute of Ocean Science And Technology

    Inventor： In Bo Park ,  Sung Kwon Choi ,  Jin Ha Kim ,  Yeonguk Won ,  Young-Sik Kim ,  Hong Gun Sung ,  Sa Young Hong ,  Jang Pyo Hong ,  Suk Kyu Cho

    IPC: G01M1/12

    CPC classification number: G01M1/122

    Abstract: The present invention provides an inertia test apparatus for a model ship that mimics a pitching inertia radius of an actual ship by reciprocating a model ship. The apparatus includes a base frame providing a supporting force, vertical frames integrally fixed at both sides of the base frame and having a hinge shaft on an upper end, a swing including a pair of fixing members rotatably hung on the hinge shafts of the vertical frames and a bed integrally formed at a lower ends of the fixing members, and providing a pitching inertia radius of the model ship by reciprocating about the hinge shafts, with the model ship seated on the bed, and a centering adjuster seating the model ship on the bed of the swing and matching a center of gravity of the model ship with a center of the swing by allowing the model ship to move.

    Abstract translation: 本发明提供一种用于模拟船舶的惯性试验装置，其通过往复式模拟船模拟实际船舶的俯仰惯性半径。 该装置包括提供支撑力的基座框架，一体地固定在基座框架两侧并且在上端具有铰链轴的垂直框架，包括可旋转地悬挂在垂直框架的铰链轴上的一对固定构件的摆动 以及一体地形成在固定构件的下端的床，并且模型船通过围绕铰链轴往复运动而提供俯仰惯性半径，模型船坐在床上，定心调节器将模型船安置在 通过允许模型船移动，摆动的床和模型船的重心与摆动的中心匹配。

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