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首页> 外文期刊>IEEE Transactions on Aerospace and Electronic Systems >Attitude determination with UD implementation of decoupled bias estimation
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Attitude determination with UD implementation of decoupled bias estimation

机译：解耦偏差估计的UD实现中的姿态确定

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摘要

The application of the UD implementation decoupled bias estimation to attitude determination is analyzed here. The advantage of decoupled bias estimation in general is the reduction in the dimensions of the filter and the subsequent reduction in the amount of processing. The purpose of the UD implementation is to mitigate the effects of round-off errors. A unique advantage of the application of decoupled bias estimation to attitude determination is that the bias processing can easily be turned off whenever a reconfiguration to a bias-free estimator mode is necessary. A comparison of the attitude error of the UD decoupled Kalman filter attitude uncertainty is given with respect to the coupled Kalman filter attitude uncertainty during the time periods when the bias processing is turned off. A detailed discussion of the UD implementation is given.
机译：本文分析了UD实现解耦偏差估计在姿态确定中的应用。通常，去耦偏差估计的优势在于滤波器尺寸的减小以及后续处理量的减小。 UD实施的目的是减轻舍入错误的影响。将解耦偏差估计应用于姿态确定的独特优势在于，只要需要重新配置为无偏差估计器模式，就可以轻松关闭偏差处理。在偏置处理关闭的时间段内，将UD解耦卡尔曼滤波器姿态不确定度的姿态误差与耦合卡尔曼滤波器姿态不确定度进行了比较。给出了有关UD实施的详细讨论。

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