基于无迹变换的协同探测与速度方向控制制导律一体化设计
Integrated Design of Collaborative Detection and Velocity Direction Control Guidance Law Based on Unscented Transformation
查看参考文献17篇
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文摘
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飞行器协同探测相比于单飞行器探测具有精度更高、抗干扰能力更强的优势。传统制导控制设计过程中通常将目标定位跟踪和制导算法进行解耦设计,但实际上制导算法需要实时估计的目标位置等参数作为输入,而制导算法也会影响目标跟踪状态和测量方程的构建以及观测条件,两者存在较高的耦合度。解耦分别设计会造成一定的信息缺失,降低估计和制导精度。针对这一问题,本文构建了一种基于无迹变换的协同探测与制导一体化设计方法,一方面将协同探测目标定位算法引入制导律中,利用融合的目标位置估计均值和方差作为制导算法的输入,将制导过程作为一个随机矢量的非线性传播过程,利用无迹变换获取飞行控制角的均值和方差。仿真实验验证了该方法与传统的速度方向控制滤波算法定位相比,既能提升探测精度,同时满足较低的过载,较好地对飞行器的速度方向和姿态进行控制。 |
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其他语种文摘
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Compared with single aircraft detection system, aircraft collaborative detection has the advantages of higher accuracy and enhanced ability of anti-jamming. The traditional guidance control design process is usually decoupled into the target position tracking and guidance algorithm. The guidance algorithm,which requires real-time estimated target position as input parameters, can also affect the establishment of state and measurement equations and observation conditions of target tracking guidance algorithm. The decoupling design may cause information loss and reduce the estimation and guidance accuracy. To solve this problem,an integrated design method of collaborative detection and guidance based on unscented transformation(UT)was proposed in this paper. On the one hand,the collaborative detection target positioning algorithm was introduced into the guidance law,and the mean and variance of the fused target position estimation were used as the input of the guidance algorithm. At the same time,the guidance process was regarded as a nonlinear propagation process of a random vector,and the mean and variance of flight control angle were obtained by UT. Compared with the traditional velocity direction control filtering algorithm,it was verified that this method can not only improve the detection accuracy,but also meet the requirements of lower overload,and better control the velocity direction and attitude of the aircraft. |
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来源
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弹道学报
,2022,34(2):25-32 【核心库】
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DOI
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10.12115/j.issn.1004-499X(2022)02-004
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关键词
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飞行器
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协同探测
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制导
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无迹变换
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地址
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1.
解放军信息工程大学数据与目标工程学院, 河南, 郑州, 450000
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兴城特勤疗养中心, 辽宁, 葫芦岛, 125105
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军事科学院国防科技创新研究院, 北京, 100071
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1004-499X |
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学科
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电子技术、通信技术 |
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文献收藏号
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CSCD:7239421
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