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    • 17. 发明专利
    • Predicting method of route
    • 路线预测方法
    • JPS6193908A
    • 1986-05-12
    • JP21558784
    • 1984-10-15
    • Hitachi Zosen CorpIshikawajima Harima Heavy Ind Co LtdKawasaki Heavy Ind LtdShipbuild Res Assoc JapanSumitomo Heavy Ind Ltd
    • HASHIGUCHI SHINJIMIYAMOTO MASAFUMIKIMATA HISAYUKINOTOKO TANEYASUNITTA TETSUOYOSHIDA TADAOMURASE HIROSHI
    • G08G3/00G01C21/00G01C21/20
    • PURPOSE: To approximate the predicted route of a ship to the actual route and to prevent surely the outbreak of a collision accident, etc. by measuring the 1st position of the ship, the 2nd position next thereto and further the present position next thereto by a means for measuring ship position.
      CONSTITUTION: The 1st position in 2T hours before the present time (t) of the ship is designated as a point P
      0 ', the 2nd position in T hours after the present time (t) as a point P
      1 ' and the present position as a point P
      2 '. The coordinates at the optional X-Y plane of the points P
      0 ', P
      1 ', P
      2 ' are designated respectively as P
      0 '(x
      0 ,y
      0 ), P
      1 '(x
      1 ,y
      1 ), P
      2 '(x
      2 ,y
      2 ). Then the coordinates of the point O' is obtd. by finding the coordinates of the intersected points of the vertical bisectors of the segments connecting respectively the points P
      0 ' and P
      1 ' and the points P
      1 ' and P
      2 ' and the equation for the circle running the points P
      0 ', P
      1 ', P
      2 ' centering at the point O' is derived. The route of the ship exists between the arc C' of the circle and straight line L' given respectively by equation I and equation II, more specifically within the hatched range. The predicted route of the ship is approximated to the actual route and the outbreak of the collision accident, etc. is prevented.
      COPYRIGHT: (C)1986,JPO&Japio
    • 目的:通过测量船舶的第一位置,其旁边的第二位置以及其旁边的当前位置,近似预测的船舶到实际路线的路线,并确保事件爆发事件发生等 测量船位的方法。 构成:将船舶当前时间(t)之前2T小时的第1位置指定为点P0',将当前时间(t)后的T小时中的第2位置指定为点P1',将当前位置指定为 点P2'。 点P0',P1',P2'的可选X-Y平面上的坐标分别表示为P0'(x0,y0),P1'(x1,y1),P2'(x2,y2)。 然后点O'的坐标是可见的。 通过找出分别连接点P0'和P1'以及点P1'和P2'的分段的垂直平分线的相交点的坐标和运行点P0',P1',P2'的圆的圆心的坐标 在点O'被导出。 船舶的路线存在于分别由等式I和等式II给出的圆弧弧C'和直线L'之间,更具体地在阴影线范围内。 船舶的预测路线近似于实际路线,防止了碰撞事故的爆发等。
    • 18. 发明专利
    • ROCK REDUCING DEVICE FOR SHIP
    • JPH0834389A
    • 1996-02-06
    • JP16798494
    • 1994-07-20
    • KAWASAKI HEAVY IND LTD
    • YOSHIDA TADAOYAMASE YOSHIHIROOGAWA MITSUYATAKASUGI TAKASHI
    • B63B1/28B63B39/06
    • PURPOSE:To increase the rock reducing device for ship by determining a control amount according to the relative amount of a rolling to a pitching and controlling the control panels of a fin and trim tab. CONSTITUTION:A roll angular velocity and a pitch angular velocity detected by a roll angular velocity detecting means 16 and a pitch angular velocity detecting means 17, respectively, are input by an abnormal signal judgment means 20 to judge whether they are normal or not. When they are normal, they are input into a control amount distributing means 22. Also the control amount distribution means 22 adjusts, using a proper control method, the roll control amount or pitch control amount distributedly by the relative amounts of roll components and pitch components. The control amount is output to a control panel control means 23 as an actual roll component command value and an actual pitch component command value. Then they are output as control signals to a fin drive device 26 and a trim tab drive device 27 through a control panel operating amount limiting means 24 so as to control a fin and trim tab to specified angles.