Using of supernormal lateral rectus muscle recession in the surgery of large-angle exotropia 外直肌超常量后徙在某些大角度外斜视矫正术中的应用肩胛舌骨肌斜方肌三角
This paper designs an attitude decoupling control law for small satellite in large-angle biased flight mode about roll axis of zero-momentum system via reaction wheels. 研究了采用反作用飞轮为执行机构的整星零动量卫星绕X轴大角度偏置飞行模式的姿态解耦控制问题。
Nonlinear control of large-angle attitude maneuvers for flexible spacecraft with angular momentum transfer 具有角动量存贮挠性飞行器大角度姿态机动的非线性控制
The active suppression of vibrations of flexible appendages during large-angle maneuvers of flexible spacecraft. 研究了挠性航天器姿态机动过程中挠性附件的主动振动控制问题。
Inferior oblique dislocation and partial resection for correction of large-angle plumb decline in 32 cases 下斜肌转位及部分切除术矫正大角度垂直偏斜32例
The control problem of a flexible spacecraft during a large-angle maneuver is studied and a direct output feedback control method is proposed. 本文研究了柔性航天器大角度操纵的控制问题,提出了直接输出反馈控制方法。
A new method for obtaining large-angle convergent-beam electron diffraction 大角度会聚束电子衍射的新方法
The Semi Physical Simulation Study of Large-angle Slew and Stabilization Attitude Control for Deep Space Explorer 深空探测器姿态大角度机动与稳定控制半物理仿真研究
Eikonal-born expansion and its application in large-angle scattering Eikonal-Born展开及其对大角度散射问题的应用
The scalar dynamic equations of a rigid satellite with a rigid large-angle and rapid maneuvering appendage in the pitch plane are given. 给出了一类附件作快速、大角度机动时卫星在俯仰平面的动力学方程。
Finite element simulation of hot die forming and optimization design of preform for a blade with large-angle crankle 大弯扭叶片热模压成形有限元模拟及其预制坯的优化设计
Direct output feedback control of flexible spacecrafts during a large-angle maneuver 柔性航天器大角度操纵的直接输出反馈控制
In underground engineering, the cavity axis should be designed to intersect fractures with large-angle(≤ 90 °) as it traverses fault and joints. 在地下工程中,当洞室穿越断层、节理等破碎带时,应尽可能使洞轴线走向与破裂面的走向呈大角度相交(≤90°)。
Large-angle Slew and Stabilization control technique are two mainly aspects for attitude control. 大角度机动与稳定控制是姿态控制的两个主要方面。
The use of large-angle tilting method in the study of carbide 大角度倾转法在碳化物研究中的应用
Correction of Errors at Large-angle Area for Six-stance Magnetic Position and Orientation Tracking System 六自由度电磁跟踪定位系统的大角度区域误差校正
Nonlinear time optimal control of spacecraft large-angle attitude maneuvers with reaction wheels 利用反作用飞轮阵实现飞行器大角度姿态机动的非线性快速控制
Study on Control and Stability of a Kind of Satellite with Large-angle and Rapid Maneuvering Appendage in the Pitch Plane 带快速大角度机动附件的卫星在俯仰平面内的运动控制与稳定性研究
This paper deals with the control and stability problem of a spacecraft with large-angle and rapid maneuvering appendage. 研究一类带快速、大角度机动附件的卫星本体的控制与稳定性问题。
Variable-structure control of liquid-filled spacecraft large-angle maneuvers 充液飞行器大角度操纵变结构控制
Study on acquisition of light scattering information of particles in large-angle side direction 颗粒侧向大角度光散射信息获取研究
This paper takes a large-angle attitude maneuver teaching experiment of spacecraft based on DSP control experimental platform as a background. 本文以基于DSP控制实验平台的飞行器大角度姿态机动教学实验为背景。
Research and simulation experiments based on nonlinear control method of the satellite attitude large-angle maneuver based on reaction wheel are studied in this paper. 本文对基于反作用飞轮的卫星大角度姿态机动控制系统的非线性方法进行了研究和实验仿真。
The dissertation provides some new thoughts and approaches for the large-angle maneuver of space station and large-scale spacecrafts. The research results have practical significance for reducing fuel consumption, prolonging on-orbit time and enhancing the safety of space station. 论文为空间站等大型航天器大角度姿态机动控制提供了创新性思路和途径,研究成果对于空间站在轨运行减少燃料消耗、延长寿命、提高安全性具有重要实践价值。
And then, a successive-approximation large-angle maneuver control algorithm is proposed. 在初始姿态角任意的情况下,设计了一种逐次逼近的大角度机动控制算法。
The analysis of OIM and TEM displays that Sub-grain is formed during creep tests. Except for continued destroy of original large-angle grain boundaries, there exists the development of sub-grain boundaries transforming to large-angle boundaries. OIM和TEM分析都表明在蠕变过程中有亚晶(界)生成,除存在原始大角度晶界的连续破坏外,还存在亚晶界和大角度晶界的动态生成现象。
Then design method of control law for large-angle attitude maneuver, which has to evade a known point, by constructing Lyapunov function according to the feather of potential function. 另外,利用势函数特性构造李亚普诺夫函数,设计出规避定点的大角度姿态机动控制的控制律;通过对物理场景进行等效转换方式,验证跟踪控制律的可行性。
In the municipal road design, selection of the elevated road is often constrained by the topography, terrain, geological and economic conditions have to adopt large-angle oblique way across the rivers or along the river channel layout elevated lines. 纵观已有的市政道路设计方案,高架路的建设必须考虑到所在地区的地形、地物、地质和经济条件等,在特殊地区还要采用大角度斜交方式跨越江河或者沿河道布置高架线路。