ID 原文 译文
55867 低空突防航迹规划是实现有人机和无人机(unmanned aerial vehicle,UAV)编队协同作战的关键技术,针对目前智能算法在求解低空突防航迹规划问题中存在的不足,充分发挥人脑这个超级智能系统来引导飞行航迹求解过程,将基于角度量编码的小生境伪并行自适应遗传算法(niche adaptive pseudo parallel genetic algorithm,NAPPGA)和人有限干预情况下的智能决策结合起来,提出UAV低空突防航迹规划技术。 Low-altitude penetration flight path planning is to realize the man-machine and UAV (unmanned aerial vehicle, UAV) formation, key technology in the intelligent algorithm in solving the defects of low altitude penetration flight path planning problem, give full play to the human brain super intelligent system to guide the flight track is solving process, will be based on the Angle of coding niche adaptive pseudo parallel genetic algorithm (niche adaptive pseudo parallel based algorithm, NAPPGA) and limited intervention of intelligent decision-making, UAV low-altitude penetration flight path planning technology is put forward.
55868 通过大量仿真计算,结果表明,应用该技术预规划和重规划的三维航迹能够有效实现威胁回避、地形回避和地形跟随,满足UAV低空突防要求,具有一定的实用性。 Through a large amount of simulation computation, the result shows that application of the technology advance planning and the planning of three-dimensional track can effectively realize the threat avoidance, terrain avoidance and terrain following, meet the requirements of UAV low-altitude penetration, has a certain practicality.
55869 数据复制技术广泛用于数据网格,如何合理地放置复制时产生的数据副本来更有效地提高数据访问性能成为一个值得研究的重要问题。 Data replication technology is widely used in data grid, how to reasonably place copy generated when data copy more effectively improve data access performance become an important problem worthy of study.
55870 本文针对无向连通图表示的数据网格模型,提出了一种满足各用户服务质量(quality of service,QoS)需求的副本放置算法(replica placement algorithm,RPA),通过该QoS感知的副本放置算法能够获得k个副本放置位置,并且使得整个数据网格系统的通信代价最小。 Based on undirected connected graph representation of the data grid model, this paper proposes a meet each user service quality (quality of service, QoS) needs a copy of the placement algorithm (up placement algorithm, RPA), through which a copy of the QoS perception placement algorithm can obtain a copy of the k place position, and make the data grid system of the minimum cost of communication.
55871 最后,文章通过相应的仿真实验证明了该算法的可靠性和有效性。 Finally, the article through the corresponding simulation results prove the reliability and validity of the algorithm.
55872 为提高对非合作目标在轨服务任务的成功率,本文建立了两航天器交会过程的非质心点间耦合相对运动动力学模型。 To improve the success rate for a non-cooperative target on-orbit service mission, this paper established two spacecraft rendezvous between the centroid point of the process of the coupling dynamic model of relative movement.
55873 从传统点质量相对运动模型入手,考虑两航天器相对姿态运动和服务航天器绝对姿态运动产生的耦合作用,建立对接端口间的耦合动力学模型。 Quality relative motion model from the traditional point, considering the attitude and the two spacecraft relative service aircraft absolute attitude motion coupling, coupling dynamics model between the docking port.
55875 相对姿态四元数、相对姿态角速度和服务航天器绝对姿态角速度产生的运动学耦合。 the kinds of coupling spacecraft by the dynamics of the torque coupling;Relative attitude quaternion, relative attitude angular velocity and service aircraft absolute attitude angular velocity of the kinematic coupling.
55876 最后设计了滑模控制器,实现对接端口间无碰撞安全对接。 At last, the sliding mode controller is designed, achieve without collision between the docking port security.
55877 数学仿真证明,该耦合作用在交会接近过程中具有显著影响,因此不可被忽略。 Mathematical simulation proved that the coupling effect has significant influence in the process of intersection near, therefore cannot be ignored.