一种回溯算法结合数据时序重构融合滤波的初始对准方法

杨管金子; 李建辰; 国琳娜; 黄 海

doi:10.11993/j.issn.2096-3920.2020.03.004

一种回溯算法结合数据时序重构融合滤波的初始对准方法

doi: 10.11993/j.issn.2096-3920.2020.03.004

1.
中国船舶重工集团公司第705研究所, 陕西西安, 710077
2.
水下信息与控制重点实验室, 陕西西安, 710077

详细信息

作者简介:
杨管金子(1988-), 男, 在读博士, 工程师, 主要研究方向为鱼雷制导技术.

中图分类号: TJ630.33 U666.124
计量
- 文章访问数: 286
- HTML全文浏览量: 2
- PDF下载量: 305
- 被引次数: 0
出版历程
- 收稿日期: 2019-05-19
- 修回日期: 2019-07-21
- 刊出日期: 2020-06-30

An Initial Alignment Method Using Backtracking Algorithm Combined with Data Sequence Reconstruction Fusion Filtering

1.
The 705 Research Institute, China Shipbuilding Industry Corporation, Xi’an 710077, China
2.
Science and Technology on Underwater Information and Control Laboratory, Xi’an 710077, China

摘要

摘要: 为了在提高鱼雷初始对准精度的同时保证较短的对准时间, 文中在采用回溯算法进行初始对准的基础上, 通过对存储数据的调用及线下处理, 提出一种数据时序重构融合滤波算法, 通过对存储数据进行再次调用、整体辨识、特征量提取和时序重构, 构建多级滤波器, 与传统“正向—逆向—正向”滤波回溯算法比较, 实现了一定时间内滤波估计及对准精度的进一步提高。实航数据的仿真对比试验证明了该方法在精度及时间上的有效性。
- 鱼雷 /
- 初始对准 /
- 回溯算法 /
- 时序重构 /
- 融合滤波
Abstract: In order to improve the initial alignment accuracy of torpedo and ensure shorter alignment time, on the basis of applying the backtracking algorithm to the initial alignment, a data sequence reconstruction fusion filtering method is proposed by calling and offline-processing the stored data. The proposed method can further improve the filtering estimation and alignment accuracy within a certain time compared with the traditional “forward-backward-forward” filtering backtracking algorithm by re-calling of the stored data, overall identification, feature extraction, time sequence re-construction, and construction of a multi-stage filter. Comparison between simulation results and sea trial data proves the effectiveness of the proposed method in accuracy and time.
- torpedo /
- initial alignment /
- backtracking algorithm /
- sequence reconstruction /
- fusion filtering

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参考文献(11)

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