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空间飞行器系统
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  spacecraft system
     Decoupling Sliding Mode Control in a Nonlinear Spacecraft System
     非线性空间飞行器系统的解耦滑模控制
短句来源
     A control method with sliding mode of nonlinear spacecraft system is provided in this paper, in which the interactive influences among channels of strong nonlinear spacecraft system are decoupled.
     提出了非线性空间飞行器系统采用滑动模态控制方法 ,它对强非线性的空间飞行器系统通道间交叉影响进行解耦 .
短句来源
     This paper expounds the problem on eigenvalue reduced order for flexible umltibody system model, and derives the eigenvalue modal reduced order oriterion and calculation steps based on Riccati iteration algorithm in accordance with attitude dynamics of flexible spacecraft system.
     详细研究了多柔体系统动力学模型的特征值降阶问题 ,针对挠性空间飞行器系统的姿态动力学方程 ,推导出基于Riccati迭代算法的特征值模态截断准则和计算步骤。
短句来源
     Visual simulation is one of the key technologies in spacecraft system simulation.
     视景仿真技术是空间飞行器系统仿真中的关键技术之一。
短句来源
  “空间飞行器系统”译为未确定词的双语例句
     With the development of remote sensing technology,there's the general problem of huge data and the increasing demand of real-time image processing in the application of image compression.
     随着遥感技术发展,传输型空间飞行器系统中传输大量遥感数据的需求日益增加,对图像压缩处理能力提出了更高的要求,而现今相对落后的遥感图像压缩设备与海量数据压缩需求形成了矛盾。
短句来源
     Nonlinear Trajectory Tracking Control of Under-actuated VTOL Aircraft
     欠驱动VTOL空间飞行器系统的非线性跟踪控制
短句来源
     IR Imagery Simulation Technology of Spacevehicles
     红外成像制导空间飞行器系统仿真技术研究
短句来源
     Key Technologies of Developing Near Space Aerocraft Systems
     发展近空间飞行器系统的关键技术
短句来源
     Based on the analysis of near space aerocraft systems in being,and in point of view of systems engineering,interrelated key technologies of developing near space aerocraft systems are studied.
     在分析当前近空间飞行器系统的基础上,从系统工程角度,研究了发展低速近空间飞行器系统所涉及的关键技术,即平台技术、有效载荷技术和通信技术。
短句来源
  相似匹配句对
     SYSTEM
     系统
短句来源
     system).
     系统)。
短句来源
     FAULT DETECTION FOR POWER SYSTEM USED IN SPACE AEROCRAFT
     空间飞行器推进系统的故障检测
短句来源
     PRESENT SITUATION AND PROSPECTS OF THE SPACECRAFT ELECTRICAL POWER SYSTEM
     空间飞行器电源系统的现状及展望
短句来源
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  spacecraft system
The effects of a meteoroid/orbital debris (M/OD) impact depend on a variety of factors, including where the M/OD impact occurs, the size, composition, and speed of the impacting object, and the function of the impacted spacecraft system.
      
Various examples including a 46th-order spacecraft system are given to illustrate the results obtained.
      
Analysis models can then be combined to produce an analysis prediction of the full spacecraft system using component mode synthesis approaches.
      
Environmental testing of stowed antenna systems, typically done at the spacecraft system level, is usually very straightforward.
      
It is easiest to focus on one area of the ground or spacecraft system and optimize its costeffectiveness.
      
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A control method with sliding mode of nonlinear spacecraft system is provided in this paper, in which the interactive influences among channels of strong nonlinear spacecraft system are decoupled. The decoupled spacecraft with large parameter variations and external disturbances is of good robustness. The numerical simulations of its attitude stability and maneuver control give support to the effectiveness of results in this paper.

提出了非线性空间飞行器系统采用滑动模态控制方法 ,它对强非线性的空间飞行器系统通道间交叉影响进行解耦 .在大的参数变化和外干扰下 ,解耦空间飞行器具有优良的鲁棒性 .它的姿态稳定和机动飞行控制的数字仿真支持了本文结果的有效性 .

This paper expounds the problem on eigenvalue reduced order for flexible umltibody system model, and derives the eigenvalue modal reduced order oriterion and calculation steps based on Riccati iteration algorithm in accordance with attitude dynamics of flexible spacecraft system.Analysis results indicate that it can reflect better the basic characteristics of the original system than usually eigenvalue truncation criterion and exactly preserve the lower frequencies and mode shapes of the original system.Dynamic...

This paper expounds the problem on eigenvalue reduced order for flexible umltibody system model, and derives the eigenvalue modal reduced order oriterion and calculation steps based on Riccati iteration algorithm in accordance with attitude dynamics of flexible spacecraft system.Analysis results indicate that it can reflect better the basic characteristics of the original system than usually eigenvalue truncation criterion and exactly preserve the lower frequencies and mode shapes of the original system.Dynamic response curves of reduced order model accord better with original system.

详细研究了多柔体系统动力学模型的特征值降阶问题 ,针对挠性空间飞行器系统的姿态动力学方程 ,推导出基于Riccati迭代算法的特征值模态截断准则和计算步骤。分析结果表明 ,它较一般特征值截断准则更能精确地反映原系统特性 ,并且能准确地保留原系统低阶模态频率和振型。其模态截断后动力响应曲线与原系统吻合较好

Visual simulation is one of the key technologies in spacecraft system simulation.In this paper,application of Collision Detection Technologies in visual simulation is stated aiming at improving its reality.Visual software Vega's collision detection methods are illustrated,their characteristics are analyzed,and their typical applications in spacecraft's visual simulation,such as drawing satellite substar track,and satellite's imaging process,are shown.Therefore the application of Collision Detection in Spacecraft...

Visual simulation is one of the key technologies in spacecraft system simulation.In this paper,application of Collision Detection Technologies in visual simulation is stated aiming at improving its reality.Visual software Vega's collision detection methods are illustrated,their characteristics are analyzed,and their typical applications in spacecraft's visual simulation,such as drawing satellite substar track,and satellite's imaging process,are shown.Therefore the application of Collision Detection in Spacecraft Visual Simulation is proved to be a successful method.This paper is worth of being refered to by the applicants of Spacecraft Visual Simulation and Collision Detection Technology.

视景仿真技术是空间飞行器系统仿真中的关键技术之一。该文阐述了碰撞检测技术在视景仿真中的应用,旨在提高飞行器视景仿真的逼真度。文中列述了视景驱动软件Vega的8种碰撞检测方法,分析了各种方法的特点,并展示了各种碰撞检测方法应用于空间飞行器视景仿真中的结果,包括卫星星下点轨迹绘制、卫星照相效果显示等,从而证实了将碰撞检测技术应用于空间飞行器视景仿真能取得良好的仿真效果。该文为空间飞行器视景仿真以及碰撞检测技术应用者提供了应用范例,具有一定借鉴价值。

 
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