俯仰

基于MatLab的俯仰轴等效系统拟配及飞行品质评价

Pitch Axis Equal System Match and Flying Quality Evaluation Based on MatLab

基于Kalman滤波的俯仰角速度估计

Pitch angular velocity estimate based on Kalman Filtering

飞机俯仰运动指令驾驶H∞鲁棒控制器

H_ ∞ Robust Controller of Instruction Steering for Pitching of Aircraft

利用ADAMS仿真技术处理俯仰机构欠载问题

Using ADAMS Simulation Technology Deal with the Problem of Pitching Machine Lacking Load

模型的俯仰力矩Mz和俯仰角θ值分别用应变电桥测量。

The pitch moment M_z and the pitch angle θ of model are measured by strain gage bridge .

俯仰频率和滚转速度被LDC-825计数器和B·K公司转速计记录。

The frequency of roll and pitch are acquired by tachome-ter of B.K. company and LDC-825 counter .

建立了4自由度汽车振动模型，利用Matlab软件仿真得到汽车车身质心垂直加速度功率谱密度和俯仰角加速度功率谱密度。

A four-degree-of-freedom vehicle vibration model was set up and the PSDs for vertical acceleration and pitching angular acceleration of vehicle body centroid were got through Matlab simulation .

本文针对双积分环节，以航天器俯仰轴姿态动力学为例，采用混合灵敏度方法，设计了H∞鲁棒控制器。

According to a class of plants containing a double-integrator , for example the pitch-axis rigid body dynamics of a spacecraft , we designed a mixed sensitivity Hinf robust controller .

针对偏置动量轮系统，基于经典控制论设计了俯仰通道的PID控制律和滚动&偏航通道的非最小相位控制律。

To bias momentum flywheel system , based on classic control theory , a PID control law for pitching and non-least phase control law for rolling-yawing are developed .

通过基于遗传算法整定的PID控制器对纵向模型进行控制，利用MATLAB仿真软件进行俯仰角的阶跃响应模拟仿真。

For the first time the PID controller based on genetic algorithm control longitudinal model , and using MATLAB simulation software to make the pitching angle step response simulation .

研究了一种短波段新型小尺寸折叠伞锥天线的空间辐射特性，讨论了E面方向图空间俯仰角域的辐射抑制特性，给出了空间辐射场的计算结果。

The radiation pattern of a new umbrella monopole antenna was simulated numerically , and the radiating or receiving zero field in some spatial range of E plane pattern of the antenna was discussed .

针对俯仰运动贮箱中液体的晃动用变分原理建立了一类新的Lagrange函数，以此为基础可以解析方式来研究俯仰运动贮箱中液体的非线性晃动。

By the variation principle , this paper built a new kind of Lagrange function to investigate the analytical solution of liquid nonlinear sloshing in a pitching tank .

仿真结果表明，通过选择恰当的加权函数设计电液主动悬架H∞控制器能够有效降低车身垂直加速度和俯仰角加速度，改善汽车的行驶平顺性和乘坐舒适性。

The simulation results show that the electrohydraulic active suspension system with the H_ ∞ linear output-feedback controller greatly reduces the vertical acceleration and longitudinal acceleration of the vehicle body and improves the ride and handling performance as appropriate weighted functions are selected .

基于Runge-Kutta方法得到了在滑道式俯仰角控制结构下分离过程中模型角度、角速度与时间之间的对应关系。

The Runge-Kutta method is utilized to obtain the relationship between the angle as well as the angular velocity and time in the case of the slide way structure .

通过MATLAB工具软件，对控制系统的俯仰、偏航与滚转三个通道进行了数学建模，优化了PID控制参数。最后，对控制电路板进行了功能测试，对制导火箭弹控制系统进行了系统联调。

By MATLAB software , make mathematical modeling for the pitch , yow and roll three channels , to optimize the PID control parameters . Finally , test the functional of control circuit board , and debug the guided rocket control system .

依据Backstepping思想，对系统控制器进行了设计，所提控制策略在两自由度模块俯仰运动方向进行了验证。

The controller is designed based on backstepping design strategy . The validation of the proposed control strategy is carried out in the pitching direction of a 2-DOF modular manipulator .

以方位俯仰型跟踪瞄准系统为研究对象，基于机电动力学的LagrangeMaxwell方程，给出了非线性的双轴耦合机电动力学模型；

Basing on the Lagrange-Maxwell equations of electromechanical dynamics , a tracking system of azimuth and elevation is studied , and the non-linear biaxial coupling electromechanical dynamics model of azimuth and elevation is established .

采用2-D扫描的激光测距传感器与精密转动云台设计并实现了非结构化环境下的移动机器人感知系统，通过传感器平台俯仰与水平的转动实现了3-D环境感知。

A 3-D perceptual system is designed and implemented for a mobile robot under unstructured environment . The system is based on a 2-D laser rangefinder mounted on a high precision platform with two freedom of horizontal and pitch rotation .

仿真实验表明基于Singh算法的直接力控制器能解除无人机在飞行过程中某些模态运动之间的交叉耦合，并能精确实现纯直接力、俯仰指向等3种模式的直接升力控制。

This implies that the DFC controller can decouple the movement modes and can accurately calculate the 3 modes of the direct lift control such as direct lift and pitch pointing .

分析了目标阴影产生的原因，给出了目标高度与雷达俯仰角和阴影的关系，指出在高分辨SAR图像中可以基于阴影提取目标三维几何特征。

The analysis results of the produce of shadow and the relation among the height of target , depression angle of radar and shadow show that it is possible to extract 3-D geometric features extraction from SAR target in high-resolution SAR imagery .

文中分析了影响X-Y天线座轴系精度的一些主要因素，分类作了介绍，并与方位-俯仰型天线座进行了对比。

This paper analyzes some main factors that affect precision of axis system of X-Y pedestal , classifies these factors and compares the X-Y pedestal with the A-Z pedestal .

S-IVB级有一个单独摆动发动机来作俯仰和偏航。

The S-IVB stage has its single engine gimbaled in pitch and yaw .

采用坐标变换技术在雷达天线的方位和俯仰轴上对船摇姿态角（横摇角R、纵摇角P和航向角H）进行角度实时补偿以达到稳定雷达天线的作用。

The coordinate transformation technology is adopted to compensate with real time the attitude angles ( rolling angle R , pitch angle P and course angle H ) of the swinging ship on the azimuth and elevating axis of the radar antenna in order to stabilize the radar antenna .

然后，运用仿人智能控制算法设计俯仰通道的控制器，并通过仿真对该算法与传统的PID控制算法进行比较，总结出仿人智能控制算法的优点，验证了该算法的可行性。

Then , uses the human-simulated intelligent control algorithm to design the controller of the pitch channel , compares the HSIC algorithm and the traditional PID control algorithm through simulation , concludes the advantages of the HSIC algorithm , and verifies the feasibility of this scheme .

分析纵向阻尼力矩时，除考虑w＊z引起的俯仰阻尼力矩Mwzzwz外，还应估算出dαdt引起的洗流时差阻尼力矩Mαzα。

When analysing the longitudinal damping moment , not only should the pitching damping moment caused by the pitching angular velocity be considered , but the damping moment of the lag of wash caused by the angle of changing rate be calculated .

分析了LiDAR仪器锥扫角产生的原因、对点云结果的影响方式，讨论了锥扫角与集成误差中俯仰角误差对点云结果影响方式的不同。

In order to analyze the causes of LiDAR instrument cone scan angle and its impact on point clouds , differences between the impact of cone scan angle error and pitch angle error to point clouds are discussed .

在时域范围内建立RBF神经网络非线性映射模型，另取一组仿真得到的车身质心垂直加速度和俯仰角加速度代入已训练好的网络识别路面不平度。

The nonlinear mapping relations in the field of time are found by RBF neural networks . Another vehicle body centroid vertical acceleration and pitching angular acceleration which are calculated by simulation are used to identify road surface roughness by trained networks .

在导弹系统俯仰通道中存在输入未建模动态情况下，提出了一种基于RBF神经网络和反演控制技术的非线性鲁棒控制器的设计方法。

Based on RBF neural networks and backstepping control techniques , a nonlinear robust controller design method is proposed for missile control systems with input unmodeled dynamics in pitch channel . The neural inverse compensator is designed using two RBF neural networks .

军用标准1797A（MIL-STD-1797A）提供了6种不同的方法评估短周期俯仰响应。

MIL-STD-1797A offers six different methods for evaluating the short-term pitch response .

在超空泡航行体动力学建模与动态特性分析的基础上，分别采用滑模变结构控制理论与LQR最优控制理论实现对超空泡航行体的定深控制、俯仰控制、侧移控制与偏航控制。

Based on dynamic modeling and dynamic analysis of supercavitating vehicle , sliding mode variable structure control and LQR control are used on depth control , pitch control , lateral control and yaw control .