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首页> 外文期刊>IEEE Transactions on Automatic Control >Robust two-stage Kalman filters for systems with unknown inputs
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Robust two-stage Kalman filters for systems with unknown inputs

机译:鲁棒的两级卡尔曼滤波器,用于输入未知的系统

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摘要

A method is developed for the state estimation of linear time-varying discrete systems with unknown inputs. By making use of the two-stage Kalman filtering technique and a proposed unknown inputs filtering technique, a robust two-stage Kalman filter which is unaffected by the unknown inputs can be readily derived and serves as an alternative to the Kitanidis' (1987) unbiased minimum-variance filter. The application of this new filter is illustrated by optimal filtering for systems with unknown inputs.
机译:开发了一种用于未知输入的线性时变离散系统的状态估计方法。通过使用二级卡尔曼滤波技术和提出的未知输入滤波技术,可以轻松导出不受未知输入影响的鲁棒的二级卡尔曼滤波器,并且可以替代无偏的Kitanidis(1987)最小方差滤波器。通过对未知输入的系统进行最佳滤波来说明此新滤波器的应用。

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