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Pseudo-Measurements as Aiding to INS during GPS Outages

机译:GPS中断期间的伪测量有助于INS

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摘要

The complementary nature of INS and GPS navigation systems can be used advantageously in navigation systems design, as long as GPS measurements are available. However, when GPS measurements become unavailable (e.g., in urban environments or during jamming), the INS navigation solution will drift with time due to inherent bias. We propose fusing pseudo-measurements with INS as a means to circumvent this problem. This is carried out using knowledge of the platform behavior, and translation of the operating environment's features into pseudo-measurement aiding for the estimation process. Field experiments show significant improvement in the accuracy of the estimated vehicle states.
机译:只要GPS测量可用,INS和GPS导航系统的互补性就可以有利地用于导航系统设计中。但是,当无法获得GPS测量值时(例如,在城市环境中或在拥堵期间),由于固有的偏差,INS导航解决方案将随时间漂移。我们建议将伪测量与INS融合,以规避此问题。这是使用平台行为的知识以及将操作环境的功能转换为有助于评估过程的伪测量进行的。现场实验表明,估计的车辆状态的准确性有了显着提高。

著录项

  • 来源
    《Navigation》 |2010年第1期|25-34|共10页
  • 作者单位

    Technion - Israel Institute of Technology, Haifa 32000, Israel;

    Technion - Israel Institute of Technology, Haifa 32000, Israel;

    Technion - Israel Institute of Technology, Haifa 32000, Israel;

  • 收录信息 美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
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