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    • 48. 发明专利
    • Waveform predicting method of arrival ocean wave, and operation control method of sailing body in ocean wave
    • 海洋波浪波形预测方法及海洋体系运行控制方法
    • JP2005306188A
    • 2005-11-04
    • JP2004125259
    • 2004-04-21
    • Kawasaki Heavy Ind LtdKawasaki Shipbuilding Corp川崎重工業株式会社株式会社川崎造船
    • UTANO MAKOTOKONO YUKINOBUHAMAMATSU MASANORIITO NORIHITOFUKUNAMI HIROYUKISUMINO KAZUYA
    • G01C13/00B63B39/00B63H21/21B63H25/04G01W1/08G05B13/04
    • PROBLEM TO BE SOLVED: To provide an operation control device of a sailing body capable of performing adequate operation control of the sailing body by predicting an arrival ocean wave form in acceleration or deceleration or turning of the sailing body.
      SOLUTION: The operation control device comprises an ocean wave model identifying section 16 for predicting and calculating the arrival ocean wave form in real time, and a nonlinear on-line model prediction control section 15 that calculates an operation amount establishing a condition where an evaluation function about the period from the present time to a predetermined time future becomes a minimum value or a maximum value based on the state amount related to the state of the sailing body acquired in real time, the arrival ocean wave form inputted as a disturbance from the ocean wave model identifying section 16 in real time, and the evaluation function related to the operation amount of a propelling device. The ocean wave model identifying section 16 frequency-analyzes measured data in the period from the predetermined time past to the present time in the real time, prepares the formula of the actual wave form, and identifies an unknown ocean wave parameter that does not explicitly appear in equal speed straight travel of the sailing body and appears in at least one of the turning time and acceleration or deceleration time of the sailing body in the formula including a time axis.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种帆船体的操作控制装置,其能够通过预测加速或减速或转向航行体的到达波浪形状来执行对航行主体的适当的操作控制。 解决方案:操作控制装置包括用于实时预测和计算到达波浪形式的海浪模型识别部分16和非线性在线模型预测控制部分15,其计算建立条件的操作量, 关于从当前时间到预定时间未来的时间段的评估函数将变为基于与实时获取的航行体的状态相关的状态量的最小值或最大值,作为干扰输入的到达波浪形式 实时地从海浪模型识别部分16获得的评估功能和与推进装置的操作量相关的评估功能。 海浪模型识别部分16对从实时的预定时间到现在的时间段内的测量数据进行频率分析,准备实际波形的公式,并且识别未明确出现的未知海洋波参数 以相同的速度直线行驶,并且出现在包括时间轴的公式中的至少一个转弯时间和航行体的加速或减速时间。 版权所有(C)2006,JPO&NCIPI