气田内部船舶运动为船舶碰撞影响的主要因素。
Ship motion inside the gas field is the major factor for ship collision impact.
利用自回归模型对船舶运动进行了预报试验研究。
Experimental study on ship motion prediction using auto regressive model was carried out.
建立了首摇、横荡、横摇三个自由度的船舶运动方程。
The ship-motion equations of sway, yaw and rolling were founded.
船舶运动;
船舶运动;
船舶运动呈非线性,操作机构有明显的死区、继电等非线性;
The motion of ship is nonlinear. The operating machine has nonlinearity such as dead zone and relay.
为了掌握船舶运动规律和船舶驾驶技术,人类奋斗了多个世纪。
In order to master the law of ship motion and ship driving skills, our human beings have been struggling for several centuries.
该平台已成功的应用于船舶运动控制的研究,有广泛的应用前景。
It has been applied in the research of ship motion control and has widely applied foreground.
本文分析了在船舶运动状态下,影响风向风速测量精度的主要因素。
In this paper, the main factors which affect measurement accuracy of wind speed and wind direction in the state of moving ship is analyzed.
因此研究有关船舶运动的非线性预报与减摇控制方法具有非常重要的意义。
So it is important to study ship movement nonlinear prediction and anti-roll control method.
将神经网络辨识技术应用于船舶运动控制成为近年来研究的一个重要方向。
The application of neural network identification techniques in ship control became an important research area in recent years.
从计算结果中可以看出,这两种软件在处理零航速下的船舶运动响应非常接近。
From the results we can know, the two software are very closely with each other in ship motion response at zero speed.
船舶运动时的阻尼和刚度非线性,导致船舶大幅运动时横摇和纵摇之间的耦合。
The nonlinear damping and stiffness of a ship motion in the seas result in the coupling motion between rolling and pitch in big amplitude.
我校最近建成的二自由度载人船舶运动模拟器是仿制船舶在海上运动的地面装备。
In order to study the ship's manoeuverability by employing mathematical models, a double freedom motion ship simulator has recently been built in Shanghai Jiao TongUniversity.
综述了国内采用非线性动力学理论和方法,研究船舶运动的复杂动力学行为方面的进展。
The recent development of researches on the complicated nonlinear dynamic behavior of ships motion using nonlinear dynamic theory and methods in China are presented in this paper.
在分析随机海浪的波能谱和船舶的受力情况的基础上,建立随机海浪模型和船舶运动模型。
By analyzing the spectrum of the random ocean wave and of the force of the ship, the ocean wave model and the ship movement model are erected.
本文介绍用以辨识船舶运动方程系数的伪随机二进制信号发生器的基本原理、使用方法和精度。
This paper introduces the basic principles, application and precision of PRBS generator which is used for the identification of coefficients of ship motion equation.
考虑非线性阻尼、非线性复原力矩和随机波浪,建立了随机横浪中船舶运动的随机非线性微分方程。
The random nonlinear differential equation of ship's motion is established considering the nonlinear damping, nonlinear recover moment and random waves.
本文对应用线性变参数(LPV)系统算法的船舶运动与柴油主机推进联合控制进行了系统的研究。
The integrated control of ship motion and main engine propulsion based on linear parameter-varying (LPV) is systemically studied in this dissertation.
对线性非时变系统,本文给出了船舶运动稳定性的实例,及其数学物理上对这类问题稳定性的判别法。
The example of stability of a ship motion and criterion is given for linear non-time variation.
通过建立水流和船舶运动基本方程,与实船静水操纵性能试验比较,船舶操纵性指数与实测基本一致。
In this paper, the equations of ship and current motion model are established. The calculation of the ship manipulative capability parameter is consistent with the measured in static stream.
整个系统可以较真实的反映船舶在一定的海况下的运动情况,对船舶运动的进一步研究有着积极的意义。
The whole system successfully simulate the ship motion in different sea states. For further research it has an active effect.
采用理论结合物理模型实验分析的方法,研究大型开敞式码头系泊船舶在不规则横浪作用下的船舶运动规律。
Through theoretical analysis and physical model test, the paper deals with the movement of moored ship at large open terminal under irregular transverse wave.
本文针对上述三个自由度的船舶运动,采用FORTRAN 77语言编制了辐射流体动力系数的计算机程序。
The program for solving the radiation fluid dynamics coefficients is worked out by using computer language FORTRAN77 considering the ship motion of three freedom degrees.
而试验摇摆台是用于仿真船舶在波浪作用下的运动的一种模拟装置,为减摇水舱性能试验提供船舶运动模拟平台。
Test rolling table is an analogue equipment, which simulates the motions of a ship disturbed by the wave force, and it serves as the simulating bench for performance testing of the anti-rolling tank.
文章根据船舶运动方程,应用现代控制理论的方法,推出自动舵pd参数的自适应算法,为计算机仿真提供了可能。
In this paper, the author reckons PD parameter's self-adaption calculation with modern control-theory by Marine motion equation. This provides possibility for simulating by computer.
由于船舶航行时所处的海洋环境的复杂性,船舶运动是一个非常复杂的运动,船舶横摇运动是考虑得最多的船舶运动。
For the complexity of ocean environment, the motion of ship is a very complex movement. Roll is considered as the most significant motion in all of it.
船舶航向控制器的设计一直是船舶运动控制重要的研究课题之一,它与船舶航行的经济性、安全性和舒适性密切相关。
The design of ship course controller is one of the most important research topics of ship motion control, which is closely related to ship's economic, security and comfort.
本文在状态空间型的船舶运动数学模型的基础上,用输入—输出信息的系统性方法构造出响应型非线性船舶运动数学模型。
The responding nonlinear ship motion mathematical model is constructed on the basis of the state space ship motion mathematical model by the systematic method of input-output information.
本文在状态空间型的船舶运动数学模型的基础上,用输入—输出信息的系统性方法构造出响应型非线性船舶运动数学模型。
The responding nonlinear ship motion mathematical model is constructed on the basis of the state space ship motion mathematical model by the systematic method of input-output information.
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