地效翼船空间运动的数学模型

从地效翼船非线性空间运动方程组出发,借助小扰动线性化理论,并假设初始运动条件为不对称运动(β0≠0,Φ0≠0),使原来的非线性项变成线性项,但仍然包含纵、横向的干扰,这样得到包含纵、横向干扰的线性空间运动方程组.再根据地效翼船的自身特点,给出地效翼船自控系统的控制方程,并对各种干扰(波浪、操纵、其它脉冲干扰输入)信号进行数学描述.最后得到地效翼船的数学模型,可以开展地效翼船的数学仿真研究和地效翼船自控参数的优化研究.

Mathematical Model of Wing-In-Ground-Effect-Ship Space Motion

The non-linearity item in the non-linear space motion equation of Wing-In-Ground-Effect-Ship is linearized by means of small disturbance theory imposing the initial conditions of unsymmetrical motion (β0 ≠0, Φ0 ≠0). And the coupling of the longitudinal and lateral motion is still contained,so the linear space motion equation of WIG including the coupling item can be obtained.Then the control equation of WIG's automatic control system is established based on its own aerodynamic characteristics,and all kinds of disturbance signals (wave,navigating, and other pulse disturbance inputs) are described by mathematical method. Finally, the mathematical model of Wing-InGround-Effect-Ship is set up to carry out the research on mathematical simulation of WIG and optimization for automatic control parameters of WIG.