Reduced Order Kalman Filtering without Model Reduction

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    Abstract

    This paper presents all optimal discrete time reduced order Kalman filter. The reduced order filter is used to estimate a linear combination of a subset of the state vector. Most previous approaches to reduced order filtering rely on a reduction of the model order. However, this paper takes the full model order into account. The reduced order filter is obtained by minimizing the trace of the estimation error covariance.

    Original languageAmerican English
    JournalControl Intelligent Systems
    Volume35
    StatePublished - Jan 1 2007

    Keywords

    • Kalman filter
    • state estimation
    • order reduction

    Disciplines

    • Electrical and Computer Engineering

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