| 1. | The system input in this case is turbulent air which produces random pitching motion of the vehicle . 在此情况下,系统的输入是紊流大气,它使飞行器产生随机俯仰运动。 |
| 2. | The pitching movement analysis for the shotcrete robot 喷浆机器人俯仰运动分析 |
| 3. | V ) the nonlinear dynamic response of vehicle , projectile , and gun barrel is derived by the nonlinear fem 5 、通过求解全炮非线性有限元模型,得到了某自行火炮发射全过程的车体大位移滑动、俯仰运动、炮口扰动等非线性动态响应。 |
| 4. | Via a convert from the fuselage equivalent model into the fuselage instantaneous wheel axis , the fuselage roll and the pitch motion are both involved 通过机体当量模型向机体瞬时转心的转换来计入地面运转时机体的滚转和俯仰运动。 |
| 5. | The weapon has 2 degrees of rotation ( it pitches and yaws ) : you can use 1 static base , 1 dynamic yawing base attached to the static base , and 1 dynamic barrel / gun for pitching attached to the yawing base 武器拥有两个旋转轴(它能自旋和俯仰) :你可以用1个静止基座, 1个动态自旋基座附加在静态基座上,和1个动态炮管/枪管来在自旋基座上进行俯仰运动。 |
| 6. | When the model running on the virtual road , it can show the vertical , lateral and pitching movement of the vehicle body and driver , and the rotation movement of the six wheels , these movements were controlled by model analysis data 汽车模型在虚拟道路试验场中行驶时,能够体现车厢(包括驾驶室)的垂向运动、横向运动和俯仰运动;驾驶员的垂向运动、横向运动和俯仰运动,六个轮胎的旋转运动。 |
| 7. | In this thesis , finite volume method and dual - time stepping method are employed to solve the 3 - d unsteady euler equations . the unsteady flow field around a finite - span flapping wing is simulated . the lift and thrust of the flapping wing for different cases are calculated 本文运用有限体积法结合双时间推进技术求解三维非定常欧拉方程,模拟了有限翼展机翼在同时具有上下拍动和俯仰运动状态下的非定常流场,计算了不同状态下扑翼的升力及推力,分析了各个影响因素对扑翼气动特性的影响。 |
| 8. | To improve dynamic performance control effect for air suspension vehicle with half vehicle model as a control object and perpendicular motion and longitudinal acceleration as control indexes , the half - vehicle model fuzzy control simulation was performed by taking grade b road as random input 摘要为了改善空气悬架客车动态性能的控制效果,以空气悬架客车1 / 2模型为控制对象,以车身垂直运动和俯仰运动加速度为控制指标,以b级路面为随机输入,应用模糊控制技术对1 / 2车辆模型进行了计算机控制仿真分析。 |
| 9. | This method makes it possible for investigating the unsteady nonlinear potential flow in a complicated environment with higher efficiency . the aerodynamic forces of a wing in couple motion of heave and pitch with ground effect are analyzed in detail based on the numerical result . it is shown that a thrust force exists when the wing is in heave motion 深入系统地分析了存在表面效应时机翼运动规律和气动力之间的关系,研究结果表明,机翼升沉运动产生的推力与升沉速度幅值的平方成比例,推力和推进效率和振荡频率成反比;机翼的俯仰运动可以调节推力和推进效率,但是单纯的俯仰运动不会产生推力。 |