ID 原文 译文
48986 首先将无人直升机系统简化成含有干扰的LPV系统,针对各个固定飞行模式独立设计H∞静态输出反馈(H∞static output feedback,HSOF)控制器,然后采用插补控制技术,针对每一种飞行模式下的线性系统设计一个只含有不可控部分和不可观部分的插补控制器,进而将所有模式下的控制器融合成一个LHOV控制器,从而既保证模式之间鲁棒转换,又使得系统进入任意一个模式后能达到H∞性能最优。 Will first unmanned helicopter system is simplified into a LPV system with interference, fixed flight mode for each independent design h-infinity static output feedback (h-infinity static output feedback, HSOF) controller, and then USES interpolation control technology, for each kind of linear system design of a flight mode contains only uncontrollable part and no substantial part of the interpolation controller, and then fused all the mode controller into a LHOV controller, which not only ensure robust transformation between model, and makes the system after entering an arbitrary pattern can achieve optimal h-infinity performance.
48987 最后,仿真结果表明,采用此方法设计的控制器能够获得大范围良好的稳定性和鲁棒性。 Finally, the simulation results show that using this method to design controller access to a wide range of good stability and robustness.
48988 针对舰载无人直升机着舰时拍摄的图像存在大尺度、角度畸变,使得合作目标角点难以检测的问题,提出了一种鲁棒角点精确检测算法。 For carrier-based unmanned helicopter image of the large scale, when the ship Angle distortion, makes it hard for cooperation target angular point detection problem, this paper proposes a robust angular point precise detection algorithm.
48989 设计了一种彩色非对称合作目标,通过计算合作目标的最小周长多边形(minimum perimeter polygon,MPP)来获取轮廓上的角点。 Designed a kind of color asymmetric cooperation target, through the calculation of the smallest circumference of cooperation target polygon (minimum generating polygon, the MPP) to obtain the Angle point on the contour.
48990 针对这些角点存在伪角点及未排序问题,给出了斜率约束、距离约束和方向约束策略。 For the angular point exist false corner and not scheduling problem, the slope is given constraints, the distance and direction constraints strategy.
48991 最后,针对亚像素Harris角点检测算法精度高但未排序、三重约束的MPP角点检测精度低但已排序的问题,制定了这两种角点检测方法的融合策略。 Finally, in view of the subpixel Harris corner detection algorithm with high accuracy but not sorting, triple constraints, the MPP of corner detection accuracy is low but the problem sorted, set the fusion of these two corner detection method strategy.
48992 实验结果表明,所提算法可以有效解决合作目标图像发生大角度畸变以及一定尺度畸变范围内的角点检测。 The experimental results show that the proposed algorithm can effectively solve the cooperative target image occur large Angle distortion as well as a certain scale distortion within the scope of the corner detection.
48993 敏捷卫星机动能力的增强带来观测机会的增多和观测时间窗口的增长,具有很大的应用潜能。 Agile satellite increasing mobility enhancement observed opportunities and the growth of the observation time window, has great application potential.
48994 但管控中由于观测开始时间是一个具有连续值域的变量,传统非敏捷卫星调度问题的组合优化建模方法不再适用。 But due to the time of observation started in the control is a variable with continuous domain, the traditional non-agile satellite scheduling problem of combinatorial optimization modeling method is no longer applicable.
48995 介绍了敏捷卫星的时间依赖、可控与不可控事件混合、资源过度受限等特性;给出了时间约束网络概念及敏捷卫星调度中的时间约束推理问题描述;分析了时间约束网络与距离图的等价性,借鉴Johnson算法对稀疏网络的特殊处理,采用重赋权技术,提出针对敏捷卫星调度的改进循环检测算法检查时间约束;建立了分支剪枝搜索算法,以约束规划方式获得时间一致解。 Introduces the agile satellite time dependence, controllable and uncontrollable events mix, such as the limited resources of characteristic;Given the time constraints network concept and agile satellite scheduling the time constraint reasoning problem description;Analyzes the time constraint network and equivalence of distance map, draw lessons from Johnson algorithm of sparse network special processing, by adopting the technology of heavy empowerment, proposed in view of the agile cycle detection algorithm of satellite scheduling testing time constraints;Set up a branch pruning the search algorithm, constraint programming method to obtain the same time the solution.