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兵工学报 ›› 2020, Vol. 41 ›› Issue (8): 1494-1501.doi: 10.3969/j.issn.1000-1093.2020.08.003

• 论文 • 上一篇    下一篇

基于刚体弹道模型的防空火控解算方法

何山1, 吴盘龙1, 李星秀2, 恽鹏1, 薄煜明1   

  1. (1.南京理工大学 自动化学院, 江苏 南京 210094; 2.南京理工大学 理学院, 江苏 南京 210094)
  • 收稿日期:2019-09-18 修回日期:2019-09-18 上线日期:2020-09-23
  • 通讯作者: 吴盘龙(1978—),男,研究员,博士生导师 E-mail:plwu@163.com
  • 作者简介:何山(1993—), 男, 博士研究生。E-mail: heshanhshs@163.com
  • 基金资助:
    国家自然科学基金项目(61473153);航空科学基金项目(2016ZC59006) ; 江苏省研究生科研与实践创新计划项目(KYCX20_0293)

The Antiaircraft Fire Control Calculation Method Based on Rigid Body Trajectory Model

HE Shan1, WU Panlong1, LI Xingxiu2, YUN Peng1, BO Yuming1   

  1. (1.School of Automation, Nanjing University of Science and Technology, Nanjing 210094, Jiangsu, China;2.School of Science, Nanjing University of Science and Technology, Nanjing 210094, Jiangsu, China)
  • Received:2019-09-18 Revised:2019-09-18 Online:2020-09-23

摘要: 为改善火控系统的通用性和实时性,提出了基于刚体弹道模型的防空火控解算方法。对目标量测信息进行无偏转换,并将无偏转换得到的噪声协方差矩阵做解耦,在对目标状态准确估计同时,降低滤波算法计算的复杂度;利用割弦迭代法计算出命中点坐标,并在每次迭代过程中,利用虚拟脱靶量对射击诸元进行修正,减少对弹道微分方程的计算次数,极大提高火控解算的求解速度。仿真实验结果表明,该方法有效和可行,可以更加精确地计算出射击诸元,且计算量相对于传统火控解算方法得到了显著改善。

关键词: 火控系统, 无偏转换, 刚体弹道模型, 虚拟脱靶量, 射击诸元

Abstract: An antiaircraft fire control calculation method based on rigid body trajectory model is proposed for improving the versatility and real-time performance of fire control system. The target measurements are unbiasedly converted, and the noise covariance matrix is decoupled, which accurately estimates the target state and reduces the computational complexity of the filtering algorithm. The hit point is calculated by using the secant iteration method, and the firing data are corrected by the virtual miss distance in each iteration, which reduces the time of calculating the ballistic differential equation and greatly improves the speed of fire control calculation. The simulated results demonstrate the validness and feasibility of the proposed method. The firing data can be calculated more accurately, and the calculated amount is significantly improved compared with the traditional fire control calculation method.

Key words: firecontrolsystem, unbiasedconverting, rigidbodytrajectorymodel, virtualmissdistance, firingdata

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