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Multirate Observation-Based X-Ray Pulsar Navigation Technique

机译：基于多速率观测的X射线脉冲星导航技术

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摘要

X-ray pulsar navigation techniques can provide the information of position and velocity for spacecraft and have proven to be an extremely promising autonomous navigation solution. Currently, one of the main problems of pulsar navigation is that the update rate of the measurement data is low. In this paper, a multirate observation pulsar navigation model is proposed to improve the update rate of measurement data. To solve the uncertainty of the measured angles in the multirate observation model of pulsar navigation, a robust extended Kalman filter (REKF) is also proposed. In order to verify the effectiveness of the model and filtering algorithm, the root-mean square (RMS) errors of the REKF for multirate observation model is compared with the extended Kalman filter (EKF) for a multirate observation model and REKF for a synchronous observation model. The simulations results show that the proposed multirate observation model and REKF are valid to improve navigation accuracy. (C) 2016 American Society of Civil Engineers.
机译：X射线脉冲星导航技术可以为航天器提供位置和速度信息，并且已被证明是一种极有希望的自主导航解决方案。当前，脉冲星导航的主要问题之一是测量数据的更新率低。本文提出了一种多速率观测脉冲星导航模型，以提高测量数据的更新率。为了解决脉冲星导航多速率观测模型中测量角度的不确定性，还提出了一种鲁棒的扩展卡尔曼滤波器（REKF）。为了验证模型和滤波算法的有效性，将多速率观测模型的REKF的均方根（RMS）误差与多速率观测模型的扩展卡尔曼滤波器（EKF）和同步观测的REKF进行了比较模型。仿真结果表明，提出的多速率观测模型和REKF对提高导航精度是有效的。 （C）2016年美国土木工程师学会。

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  • 来源
    《Journal of aerospace engineering》 |2017年第1期|04016068.1-04016068.10|共10页
  • 作者

    Guo Pengbin; Sun Jian; Hu Shuling; Xue Ju;

  • 作者单位

    Xi An Jiao Tong Univ, Sch Aerosp, State Key Lab Strength & Vibrat, Xian 710049, Peoples R China;

    Xi An Jiao Tong Univ, Sch Aerosp, State Key Lab Strength & Vibrat, Xian 710049, Peoples R China;

    Xi An Jiao Tong Univ, Sch Aerosp, State Key Lab Strength & Vibrat, Xian 710049, Peoples R China;

    Xi An Jiao Tong Univ, Sch Aerosp, State Key Lab Strength & Vibrat, Xian 710049, Peoples R China|China Xian Satellite Control Ctr, State Key Lab Astronaut Dynam, 426,Xianning East Rd, Xian 710000, Peoples R China;

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  • 正文语种 eng
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  • 关键词

    X-ray pulsar navigation; Multirate observation; Robust Kalman filtering;

    机译：X射线脉冲星导航多速率观测鲁棒卡尔曼滤波;

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