本文研究空间飞行器大角度姿态机动的控制问题。
This paper deals with the large Angle attitude maneuver control of spacecrafts.
星图识别则是星敏感器确定空间飞行器姿态的关键技术。
Star pattern recognition is the key technic of satellite position confirmation from start sensor.
目前空间飞行器的高精度姿态控制系统大多采用飞轮系统。
Now, flywheels systems are elected as the actuators of attitude control system with high precision for most spacecrafts.
这些结果为空间飞行器交会对接的工程设计提供了理论依据。
These results have provided the theoretical fundamentals for the engineering design of rendezvous and docking of spacecraft.
降落伞减速系统是空中和空间飞行器回收着陆系统的主要方式。
Parachute deceleration systems are a primary means of recovery and landing of air and space vehicles.
通常所谓的“阿波罗”空间飞行器,其系统如图1 - 8所示。
This system, depicted in figure 1-8, is usually referred to as the Apollo Spacecraft.
星敏感器是为空间飞行器姿态控制系统提供姿态信息的测量系统。
The star sensor is a measuring unit used for providing information to the attitude control system on spacecraft .
在不同时间间隔内风的持续性对空间飞行器的发射量是很重要的。
The persistence of wind over varying intervals of time is important in the launch of space vehicles.
本文求得了空间飞行器在地球扁率摄动作用下简单形式的一阶解。
Simple form unretarted orbit of space vehicles under the first order perturbation of the oblateness of the earth is obtained in this paper.
空间飞行器着火安全性。最后对我国开展微重力燃烧研究提出建议。
Suggestions on the microgravity combustion research to be developed in China are also proposed.
本文叙述了一种测量空间飞行器交会对接过程中位置和姿态角的方法。
In this paper a method for measuring the relative position and attitude Angle of the spacecraft during rendezvous and docking.
它的成败直接关系到空间飞行器的任务完成,以及人员与设备的安全。
These devices are related to the success of aerospace mission, as well as the safety of personnel and equipment.
VTOL空间飞行器是具有三个自由度,两个控制输入的欠驱动系统。
VTOL aircraft is an under-actuated system with three degrees of freedom and two control inputs.
研究空间飞行器大角度姿态机动反馈开关控制的消振参数优化设计问题。
The optimization design problem of controller parameters of optimal on-off times attitude maneuvers with switch moment is investigated.
分析了空间飞行器所处的电磁环境,指出总体设计中的若干电磁兼容性问题;
The electromagnetic environment of spacecraft is analyzed, and several EMC problems in spacecraft system design are pointed out.
毕竟,科学家已经带给我们原子武器、现代药物、空间飞行器和腋窝除臭剂。
After all, scientists have brought us nuclear weapons, modern medicines, space flight, and underarm deodorants.
推导系统参数间的关系式,分析挠性空间飞行器主轴姿态控制系统稳定性问题。
The relation among parameters is derived and the stability of single axis flexible spacecraft attitude control system is studied.
在基于机器视觉的空间飞行器相对定姿研究中,特征提取算法是相对定姿的基础。
In the research of relative pose for spacecrafts based-on machine vision, the feature extraction algorithm was the basis of relative pose.
特别是对于各种空间飞行器的天文实时定位能提供一个精确而快速的参考坐标系统。
Especially, It can rapid by provide a precise reference coordinate system for the astronomical orientation of various space vehicles at real time.
概述了超高速碰撞对空间飞行器的破坏效应,简述了防护超高速碰撞的薄板屏蔽方法。
Both the damage effectives of hypervelocity impact on spacecraft and the thin plate shield method for hypervelocity impact resisting are outlined.
研究了空间飞行器向小天体着陆阶段基于导航相机和激光测距仪的自主光学导航方案。
An autonomous optical navigation scheme for landing of spacecraft on a small celestial body based on navigation camera and laser range finder measurements was studied.
人类日益频繁而复杂的空间探索活动,使得空间飞行器在轨服务技术成为近年来研究热点。
On-orbit service techniques of spacecraft become the hot spot for the space explorations of human which are more and more frequent and complicated.
美国国家航空航天局(NASA)的信使号水星探测器成为有史以来第一个到达水星轨道的空间飞行器。
NASA's Mercury probe Messenger has become the first spacecraft to go into orbit around the closest planet to the Sun.
理论分析及仿真结果表明,本文所求控制律对空间飞行器跟踪系统具有全局稳定性和鲁棒性。
Theoretical analysis and simulation results show that the proposed SMC law is globally stabilizing and insensitive to both parameter variations and external disturbances.
空间飞行器中安装有两台或甚至三台计算机,这样的冗余性保证了在有失误和错误的情况下一切照旧工作。
Thus when two, or even three, computers were used in space vehicles this redundancy ensure that everything would continue to work in the event of failure or errors.
笔者设计出一种可以在潜水艇和空间飞行器救援对接中实现对接的4自由度的并联机器人机构。
A novel 4-dof parallel robot that can fulfill gates docking in situation of rescue for aircraft or submarine is designed.
本文针对空间飞行器姿态控制问题,给出了一种基于优化控制与有限时间控制技术的控制方法。
In this paper, a control approach based on optimal control and finite-time control technology is derived for spacecraft.
本文针对空间飞行器姿态控制问题,给出了一种基于优化控制与有限时间控制技术的控制方法。
In this paper, a control approach based on optimal control and finite-time control technology is derived for spacecraft.
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