| 基于双联邦UKF算法的组合导航数据融合方法 |
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| 引用本文： | 吴志峰,吴军,王蕊.基于双联邦UKF算法的组合导航数据融合方法[J].弹箭与制导学报,2009,29(5). |
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| 作者姓名： | 吴志峰 吴军 王蕊 |
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| 作者单位： | 1. 空军工程大学工程学院,西安,710038
2. 东北大学材料与冶金学院,沈阳,110004 |
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| 摘 要： | 为了提高组合导航系统数据融合的精度和容错性,提出一种双联邦UKF组合导航数据融合方法.采用双联邦UKF滤波器的算法将JTIDS相对导航技术与成熟的GPS/INS/DVS组合导航技术相结合组成新的双联邦UKF组合导航数据融合算法.联邦UKF算法将UKF算法和分散式滤波技术相结合,精度高容错性好,JTIDS相对导航技术精度高抗干扰能力强.主滤波器1对GPS/INS/DVS组合导航信息进行融合后与JTIDS相对导航信息在主滤波器2中融合,提高了组合导航系统的可靠性和容错性.数值仿真实验表明,该算法性能优于单纯采用联邦GPS/INS组合导航算法是一种理想的组合导航滤波方法.
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| 关 键 词： | GPS/INS/DVS/JTIDS组合导航 非线性滤波 联邦滤波 数据融合 |
Integrated Navigation Data Fusion Method Based on Double Federated UKF Algorithm |
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| WU Zhifeng,WU Jun,WANG Rui.Integrated Navigation Data Fusion Method Based on Double Federated UKF Algorithm[J].Journal of Projectiles Rockets Missiles and Guidance,2009,29(5). |
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| Authors: | WU Zhifeng WU Jun WANG Rui |
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| Affiliation: | WU Zhifeng1,WU Jun1,WANG Rui2(1 The Engineering Institute,Air Force Engineering University,Xi'an 710038,China,2 School of Materials & Metallurgy,Northeastern University,Shenyang 110004,China) |
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| Abstract: | In order to improve stability and fault tolerance of integrated navigation data fusion,a new double federated UKF algorithm was designed.The new algorithm which used in the new integrated navigation data fusion method combines the JTIDS relative navigation with GPS/INS/DVS integrated navigation.The double federated UKF algorithm based on unscented Kalman filter algorithm and distributed information fusion technology is featured with high stability and fault tolerance.JTIDS relative navigation has high accur... |
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| Keywords: | UKF |
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